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rev. 0.6 FS9922-DMM3-ds-06_en sep 2006 datasheet FS9922-DMM3 integrated circuits of 4,000 counts auto-ranging digital multimeter with bar graph
FS9922-DMM3 rev. 0. 6 2/35 fortune semiconductor corporation ???? 28f., no.27, sec. 2, zhongzheng e. rd., danshui town, taipei county 251, taiwan tel . 886-2-28094742 fax 886-2-28094874 www.ic-fortune.com this manual contains new product information. fortune semiconductor corporation reserves the rights to modify the product specification without further notice. no liability is assumed by fortune semiconductor corporation as a result of the use of this product. no rights under any patent accompany the sale of the product.
FS9922-DMM3 rev. 0. 6 3/35 contents 1. general description............................................................................................................ ....... 5 2. features....................................................................................................................... ................... 5 3. measuring mode................................................................................................................. ........... 6 4. applications field............................................................................................................. ........... 6 5. block diagram .................................................................................................................. ............ 6 6. pin assignment................................................................................................................. .............. 7 7. pin description................................................................................................................ .............. 7 8. technical specification ............................................................................................................. 8 8.1 absolute maximum ratings.................................................................................................... 8 8.2 electrical parameters.......................................................................................................... .... 9 9. measuring modes select ......................................................................................................... .10 9.1 coding table ................................................................................................................... .......10 9.2 adp input/user-defined symbols and confirmation of decimal locations .........................11 10. keys definition .............................................................................................................................12 10.1 range key ............................................................................................................................12 10.2 rel ? /rs232 key....................................................................................................................1 2 10.3 hold/light key ................................................................................................................. ..12 10.4 select key..................................................................................................................... ......13 10.5 hz/duty key.................................................................................................................... ......13 10.6 max/min data hold key .....................................................................................................13 11. other functions ..........................................................................................................................13 12. application.................................................................................................................... ................14 12.1 fs9922_dmm3 circuitry .........................................................................................................14 12.2 FS9922-DMM3 circuitry components list .............................................................................15 12.3 power supply system............................................................................................................ 15 12.4 power supply circuit ........................................................................................................... ..16 12.5 base power source ................................................................................................................17 12.6 trigger reset circuit ..............................................................................................................18 12.7 oscillation circuit ............................................................................................................ ......18 12.8 buzzer driver circuit.......................................................................................................... ....19 12.9 mode switch and function control circuit ...........................................................................19 12.10 ac rectification circuit ....................................................................................................... ..20 12.11 voltage measurement .............................................................................................................22
FS9922-DMM3 rev. 0. 6 4/35 12.12 ac/dc mv voltage measurement ...........................................................................................23 12.13 current measurement ............................................................................................................23 12.14 clamp meter circuit ............................................................................................................ ...24 12.15 resistance measurement .......................................................................................................24 12.16 diode test ..................................................................................................................... .........25 12.17 continuity test................................................................................................................ .......25 12.18 transistor hfe test............................................................................................................ ....26 12.19 capacitance measurement .....................................................................................................26 12.20 frequency measurement .......................................................................................................27 12.21 temperature measurement ....................................................................................................27 13. rs232 transmissio n specification ..........................................................................................29 14. lcd............................................................................................................................ ........................31 14.1 lcd panel ...................................................................................................................... ........31 14.2 lcd table...................................................................................................................... .........31 14.3 description of symbols of lcd .............................................................................................32 15. package outline & pad assignment .......................................................................................32 15.1 package outline .....................................................................................................................32 15.2 pad assignment................................................................................................................. ....33 15.3 pad coordination ............................................................................................................... ....34 16. ordering information........................................................................................................... .....34 17. revision history............................................................................................................... ............35
FS9922-DMM3 rev. 0. 6 5/35 1. general description FS9922-DMM3 is a high performance, low power consumption and 3 4/5 digits (4000 counts) dual analog to digital converter with a built-in microprocessor. it includes a 8 bits microprocessor, low noise and the opamp of high stability, ac rectifier opamp, voltage doubling and regulated voltage, highly regulated bandgap, auto measurement switch and function control circuit, buzzer driver circuit, clock oscillation circuit, backlight display control circuit, lcd driver circuit and so on. built-in dual analog to digital converter , one is a high accuracy adc for main measurement; the other is a high speed adc whose measurement result shows by a 41 segment analog section bar that can respond fast, the analog indication owns the property of immediate response and can provide the fast measurement and monitoring of instant signals. with the microprocessor, FS9922-DMM3 can do the logic function control via the i/o ports. by selecting the codes of mea1 ? mea5 pins can realize various functions during measurement. by triggering the keys of the settings of select, range, rel/rs232, hz/duty, hold/light, max/min keys, you can realize the functions of function switch, measurement mode select, relative value measurement, frequency/duty cycle measurement, reading hold, max/min value hold, backlight display, rs232 output and so on. with the auto power off function, when there is no action on the mode switch or keys of the meter within 15 minutes, the system will enter into the sleep mode automatically to save the power. this function can also be cancelled during use. FS9922-DMM3 has lcd driver circuits, which is designed for driving lcd. FS9922-DMM3 is made by the large integrated circuit technology, and therefore greatly rises up the reliability of the product. it makes the design simple, the volume small, low power consumption by using 3v power source, and convenient to use the power supply of battery, especially suitable for the application on the palm mode meter. FS9922-DMM3 is a microprocessor-embedded and multifunctional measuring dual adc; fewer external components added can form a high accuracy, multifunctional and low cost measuring meter. 2. features z max. display: 4000 counts (frequency 9999), bar graph 41 segments. z converter rate: 3 times/sec; bar graph: 30 times/sec. z measuring mode: fully auto/manual measurement. z pole indication: auto. z operation voltage: 2.4v~3.6v z operation current: 2ma z low power indication: about 2.4v z buzzer frequency: about 2.7khz z ac rectifying: embedded opamp z current resistance: a is 50 ? ; ma is 0.5 ? ; a is 0.005 ? z function keys: select, range, rel/ rs232, hz/duty, hold/ light, max/min z data output: rs232 (2400bps ) z auto power-off: 15min. can be cancelled. z unit symbol and backlight display
FS9922-DMM3 rev. 0. 6 6/35 3. measuring mode z dcv: 40.00mv, 400.0mv, 4.000v, 40.00v, 400.0v, 1000v z acv: 40.00mv, 400.0mv, 4.000v, 40.00v, 400.0v, 750v z dca: 400.0a/4000a, 40.00ma/400.0ma, 4.000a/40.00a, 400.0a, 4000a z aca: 400.0a/4000a, 40.00ma/400.0ma, 4.000a/40.00a, 400.0a, 4000a z ohm: 400.0 ? , 4.000k ? , 40.00k ? , 400.0k ? , 4.000m ? , 40.00m ? z capacitance: 40.00nf, 400.0nf, 4.000f, 40.00f, 400.0f, 4000f(30sec.) z frequency: 9.999hz, 99,99hz, 999.9hz, 9.999khz, 99.99khz, 999.9khz, 9.999mhz z duty cycle: 0.1% ~ 99.9% z temperature: -273.0 ~+400.0 ( - 459.4 H ,+752.0 )/ H -273 ~+ 4000 (- 459 H ,+7232 ) H z diode test: 0v ~ 2.0v z continuity test: test on 400.0 ? mode; sound when lower than 30 ? . z transistor hfe: 0~1000(hfe) 4. applications field z auto measurement palm mode digital multifunctional meter. z auto measurement card digital multifunctional meter. z auto-measurement pen digital multifunctional meter. z auto-measurement clamp meter. z number panel meter. 5. block diagram 2 x low noise opamp ac measurement dmm function network voltage doubler regulator common generator bandgap reference adc1 main display bar display adc2 or output port 4 x 32 lcd driver 8k x 16 program 8 bits fsc cpu 384 byte data memory memory buzzer output 16 bits i/o port pwm output uart 8 bits timer program dual 24 bits counter timer watch dog
FS9922-DMM3 rev. 0. 6 7/35 6. pin assignment op2n 1 op2p 2 refo 3 refi 4 ftc2 5 ftb2 6 adp2 9 adp 10 ad1p 11 ad1n 12 sgnd 13 sa 14 dt 15 smv 16 cres1 17 rl 18 ftc1 7 ftb1 8 rcap1 19 rcap2 20 onek 21 tenk 22 hunk 23 onem 24 tenm 25 nc 26 nc 27 nc 28 vb 29 agnd 30 nc 31 nc 32 nc 33 nc 34 nc 35 seg27 36 seg26 37 seg25 38 seg24 39 seg23 40 seg22 41 seg21 42 seg20 43 seg19 44 seg18 45 seg17 46 seg16 47 seg15 48 seg14 49 seg13 50 seg12 51 seg11 52 seg10 53 seg9 54 seg8 55 seg7 56 seg6 57 seg5 58 seg4 59 seg3 60 seg2 61 seg1 62 com4 63 com3 64 com2 65 com1 66 rlcd 67 vdda 68 vgg 69 ca 70 cb 71 vdd 72 buzzer 73 lbout 74 max/min 75 hz/duty 76 rel/rs232 77 hold/light 78 range 79 select 80 nc 81 nc 82 nc 83 rst 84 pwdt 85 xout1 86 xin1 87 mea4 88 mea3 89 mea2 90 mea1 91 txd 92 mea5 93 txen 94 int 95 vss 96 nc 97 op1n 98 op1o 99 op2o 100 FS9922-DMM3 7. pin description no. name in/ out description no. name in/ out description 1 op2n i opamp 1 negative input 68 vdda i/o regulated power output 2 op2p i opamp 1 positive input 69 vgg i/o charge pump voltage output 3 refo o band gap referenced output 70 ca i/o charge pump capacitor positive connection 4 refi i adc referenced voltage input 71 cb i/o charge pump capacitor negative connection 5 ftc2 i/o adc2 pre-filter capacitor connection 72 vdd i positive power supply 6 ftb2 i/o adc2 pre-filter capacitor connection 73 buzzer i/o buzzer driver output 7 ftc1 i/o adc1 pre-filter capacitor connection 74 lbout i/o backlight driver output 8 ftb1 i/o adc1 pre-filter capacitor connection 75 max/mi n i/o max/min data hold 9 adp2 i low power test input (shall be connected to vdd when power supply is by 3v.) 76 hz/dut y i/o frequency/duty cycle select 10 adp i extra adc positive input 77 rel/ rs232 i/o relative value measurement / rs232 control 11 ad1p i a dc positive input of ac voltage measurement 78 hold/ light i/o reading hold / backlight output control 12 ad1n i adc negative input of ac measurement 79 range i/o a uto/manual mode switch select 13 sgnd i adc negative input of analog ground 80 select i/o measurement function select 14 sa i adc input of current measurement /mv high impedance input /input of temperature & hfe measurement 81~83 nc o no use
FS9922-DMM3 rev. 0. 6 8/35 15 dt i diode measurement voltage divide resistance connection point 84 rst i cpu reset 16 smv i a dc positive input of resistance measurement /diode measurement voltage divide point 85 pwdt i no use 17 cres1 i connection point of filter capacitor in resistance measurement 86 xout1 o oscillator connection 18 rl i negative input of referenced voltage in resistance measurement 87 xin1 i oscillator connection point 19 rcap1 o capacitor measurement connection point 88 mea4 i/o measurement function select 20 rcap2 o capacitor measurement connection point 89 mea3 i/o measurement function select 21 onek i 1.001k ? resistance connection point 90 mea2 i/o measurement function select 22 tenk i 10.01k ? resistance connection point 91 mea1 i/o measurement function select 23 hunk i 101.01k ? resistance connection point 92 txd i/o rs232 output 24 onem i 1.111m ? resistance connection point voltage 93 mea5 i/o measurement function select 25 tenm i 10.000m ? resistance connection point 94 txen i/o operation l, sleep h 26~28 nc no connection 95 int i/o external interrupt input 29 vb i analog circuit bias current input 96 vss i negative power supply 30 agnd i/o analog signal ground 97 nc no connection 31~35 nc no connection 98 op1n i buffer opamp reverse input 36~62 seg27~ seg1 o lcd segment 27~1 99 op1o o buffer opamp output 63~66 com4~c om1 o lcd common driver output 4 1 100 op2o o rectifying opamp output 67 rlcd i/o lcd bias voltage input note: i=>input o=>output i/o=>input / output 8. technical specification 8.1 absolute maximum ratings parameter symbol rated value unit power supply voltage vdd~vss 3.6 v i/o voltage level vid -0.3 ~ vdd +0.3 v ambient operating temperature ta 0 ~ + 70 storage temperature tstg -40 ~ + 125 welding temperature temp 280 welding time time 5 s
FS9922-DMM3 rev. 0. 6 9/35 8.2 electrical parameters symbol parameter test condition min. typical max. unit vdd recommended operation power voltage 2.4 3.6 v idd operation current in dcv mode 1.5 3 ma ipo sleep current in auto power-off status 10 a vih digital high voltage level vdd-0.5 v vil digital low voltage level 0.5 v agnd analog ground voltage vdda/2 -3% vdda/2 vdda/2 +3% v vdda analog power supply 3.4 3.9 4.4 v vband built in bandgap voltage voltage relative to agnd 1.1 1.25 1.4 v coefficient of curve of bandgap voltage along with power voltage vdd=2.4 ~ 3.6v 2 mv/v refi recommended referenced voltage voltage relative to agnd 0.44 v vbatt low voltage detector use dc 3v 2.25 2.4 2.55 v flcd lcd frequency 32 hz vlcd lcd pk-pk driver voltage 2.8 3 3.2 v fbeep buzzer frequency 2.7 khz frs232 rs232 baud rate 2400 bps irsout rs232 transmission high voltage level current voh=2v 2 ma dc adp1 ?0?input reading input=0v -0.001 0 0.001 digits dc adp1 linearity (max. deviation from best straight line fit) full scale400mv -1 0 1 bit ac adp1 input 400mvrms a c measurement bandwidth error 20hz~1khz 0.2 % rcc continuity check value 10 60 ? a dc measurement o.l display count 4040 counts auto range up count 4040 counts auto range down count 360 counts vil (relative to agnd) -60 mv vfrea frequency count voltage (hz/duty control) vih (relative to agnd) 60 mv fmaxa max. frequency input (hz/duty control) vpp=100mv square wave input 500 khz *1 duty cycle measurement deviation (hz/duty control) vpp=100mv square wave input 1 s vil (relative to agnd) -600 mv vfred frequency count input voltage (meas=10100) vih (relative to agnd) 600 mv fmax (meas=10100) input frequency of frequency count vpp=600mv square wave input 5 mhz *1 (meas=10100)duty cycle measurement deviation vpp=600mv square wave input 100 ns 40.00 nf mode 2%+10 digits 400.0 nf mode 0.5%+3 digits 4.000 f mode 1%+2 digits a ccuracy of capacitance measurement in relative value measurement status (by 400.0nf mode standard adjustment) 40.00 f mode 1.5%+2 digits *1 during duty cycle measurement, when a square wave is input, the difference comes mainly from the analyzable impulse width difference of the competitor. if the input is a 100khz square wave, which can be divided into 1000 counts, each count is 10 ns. therefore, the max. difference is 100ns/10 ns =10counts, 50.0%1.0% can be measured from 50.0% of output signal. the signal larger than 99% or less than 1% might not be able to be measured.
FS9922-DMM3 rev. 0. 6 10/35 9. measuring modes select 9.1 coding table mea1 ? mea5: no connection is ?1?; connect to int is ?0? mea5 mea4 mea3 mea2 mea1 mode select rel hold hz duty range max min 1 0 1 1 0 ac v (400.0mv~4000v) 1 1 0 1 0 dc v (400.0mv~4000v) 1 1 1 0 0 dc/ac mv (40.00mv/400.0mv) dc/ac 1 0 0 0 1 dc / ac v (400.0mv~4000v) dc/ac 1 0 0 1 0 ohm 1 0 1 0 0 hz/duty 1 1 0 0 0 diode/buzzer d/b 1 0 0 1 1 cap. 1 0 1 0 1 ohm/ diode/buzzer/cap. ? /d/b/c 1 1 0 0 1 buzzer 1 0 1 1 1 / H -273.0 ~+400.0 /-273 ~+ 4000 / H 1 0 0 0 0 hfe 1 1 0 1 1 dc/ac a (400.0 a /4000 a) dc/ac 1 1 1 0 1 dc/ac ma (40.00ma/400.0ma) dc/ac 1 1 1 1 0 dc/ac a (4.000a/40.00a) dc/ac 0 0 1 1 0 ac v (400.0mv~4000v) 0 1 0 1 0 dc v (400.0mv~4000v) 0 1 1 0 0 ohm/buzzer ? /b 0 0 0 0 1 ac/dcmv (40.00mv/400.0mv) ac/dc 0 0 0 1 0 ac/dc v (400.0mv~4000v) ac/dc 0 0 1 0 0 ac/dc a(4.000a) ac/dc 0 1 0 0 0 ac/dc a(40.00a) ac/dc 0 0 0 1 1 ac/dc a(400.0a) ac/dc 0 0 1 0 1 ac/dc a(4000a) ac/dc 0 1 0 0 1 adp (4000) 0 0 1 1 1 adp 400.0 0 1 0 1 1 adp (40.00) 0 1 1 0 1 adp (4.000) 0 1 1 1 0 / H -273.0 ~+400.0 /-273 ~+ 4000 / H
FS9922-DMM3 rev. 0. 6 11/35 1 1 1 1 1 / H / H 0 0 0 0 0 ac/dc a (4.000a/40.00a) ac/dc 0 1 1 1 1 ohm/buzzer/diode ? /b/d note: ? ?means the function key in the column is in operation 9.2 adp input/user-defined symbols and confirmation of decimal locations mea1 ? mea5: no connection is ?1?; connect to int is ?0? me a5 me a4 me a3 me a2 me a1 input voltage range input channel decimal location symbol location symbol 0 1 1 0 1 4.000 com1, seg27 0 1 0 1 1 40.00 com2, seg27 0 0 1 1 1 400.0 com3, seg27 0 1 0 0 1 400mv sa 4000 com4, seg27 defined by users
FS9922-DMM3 rev. 0. 6 12/35 10. keys definition 10.1 range key range key is the auto/manual measurement key that acts with trigger. auto measurement is pre-set as power-on, and switches to manual measurement when the key is pressed one time. in manual measurement mode, mode will move upward upon each press to the highest mode, then return to the lowest mode as a loop. if press the key over 2 seconds, the system will switch back to auto measurement status. 10.2 rel ? /rs232 key a. rel ? measurement 1) rel /rs232 key is the relative value measurement/rs232 communication transmission key that acts with trigger. press this key will enter into the relative value measurement mode. the system will save the display value in the memory as the reference value. when doing the measurement later, the display value will be the difference value that the entry value deducts the reference value. 2) rel (current reading) = entry value ? reference value 3) the relative value measurement can be carried out under the certain measurement mode, i.e., the function is available only under the manual measurement mode. 4) press rel key will enter into the manual measurement mode automatically. 5) in rel measurement status, press the key again, the rel function will be relocked. 6) press the key in hold status, hold function will be cancelled. the system will save the display value in the memory as the reference value. when doing the measurement later, the display value is the difference that the entry value deducts the reference value. 7) press range, select key or use mode switch will cancel rel ? measurement mode, and go back to the normal mode (rel ? will disappear in the lcd). 8) ol triggering: under rel mode, ol shows when input value larger than the allowed value of the measurement mode. press the key again, the relative measurement function will be cancelled. disable to enter rel mode when ol shows. 9) no analog section bar function under rel mode. b. rs232 communication transmission 1) press rel /rs232 key longer than 2 sec. will enter into rs232 and external set communication status (?rs232? shows in lcd). 2) after starting rs232 function, press rel key again longer than 2 sec. rs232 function will be cancelled. 3) the auto power off function is cancelled in rs232 status, and the signal of ?apo? in lcd disappears. 10.3 hold/light key hold/light is the reading hold/backlight control key. a. reading hold 1) press the key, the display value will be locked and kept unchanged, ?hold? shows in lcd. press the key again, the locked status will be unlocked, and enter into the normal measurement status. 2) hold function will be unlocked and go back to the normal status when range, select, rel key or mode switch is pressed or used. b. back light control 1) the backlight control signal will be started when the hold key is pressed longer than 2 seconds; then, press the key again longer than 2 seconds, the backlight control signa l will be shut off. if the hold key is not pressed longer than 2 seconds after the backlight source is started, the light source will be shut off automatically in 10 seconds.
FS9922-DMM3 rev. 0. 6 13/35 10.4 select key 1) select key is a function selection key that acts with trigger. press the key can choose the needed measurement mode: to choose dc or ac in dc/ac status, to choose or H in temperature measurement mode, to choose diode or buzzer in diode/buzzer status, to choose ohm, cap, diode or buzzer in ohm/cap/diode/ buzzer status. 2) press the key then turn on the power, the auto power-off function will be cancelled, the signal ?apo?disappears in lcd, and enter into sleep status (power- off). press the key then power on will have the auto power-off function. 10.5 hz/duty key hz/duty is the key to select frequency/duty cycle and it acts with trigger. in frequency measurement mode, press the key can select hz or duty measurement mode; in ac/dc voltage or ac/dc current measurement mode, press the key can select voltage/hz/duty or current/hz/duty measurement mode. 10.6 max/min data hold key 1) press the max/min key will enter into the max mode, the measured max. value will be held; press the key again will enter into the min mode, the measured min. value will be held; press the key again will repeat the a. m. circuit. 2) it will enter into th e manual measurement mode after enter into the max or min mode, rel ? , hold, range, select key function are not available under this mode. 3) the measured max or min value will be saved automatically when enter into max or min measurement mode. 4) no analog section bar function when enter into max or min mode, and the auto power off function will be cancelled. 5) press the max/min key longer than 2 sec. will exit from the max or min measurement mode. 11. other functions 11.1 the indication of function signals, units will show in lcd when each of the functions is used. 11.2 the time for auto power-off is set to be 15 minutes: 1) if the mode switch or keys of the meter is no action within 15 minutes, the system will power off automatically (sleep mode). in auto power-off status, press the function key or enable the function switch, the meter will ?auto power-on? (operation mode). 2) the signal ?apo? of auto power-off will show at the same time after the normal power on. the buzzer will remind 5 times sequentially one minute before it is shut off. it will enter into sleep (power-off) status after a long sound before it is shut off. enable the mode switch or press any key can restart it under the auto power-off mode. 11.3 alarm condition 1) press the function key, the buzzer will sound ?be?? in short. 2) one minute before auto power-off the buzzer will sound ?bebebebebe? five times to warn. before it is shut off, the buzzer will sound a long ?beee? then shut off. 3) the buzzer will sound ?bebe?? continuously to warn when the measured dc voltage is higher than 1000v, 4) ac voltage is higher than 750v, or the measured dc/acmv mode is higher than 400.0mv. 5) the buzzer will sound long when the short circuit resistance is less than the rated value during a short circuit test.
FS9922-DMM3 rev. 0. 6 14/35 11.4 when the voltage is lower than the rated value (it is 2.4v under dc 3v power supply), the low voltage signal will show on lcd. when the power supply is by dc 9v or other voltage value, it can be external distributed to choose the proper voltage value to show the lv. symbol. 11.5 int input terminal: when the meter enters into auto power-off status (sleep mode), ic will be waked up and enter into operation status if there is a signal input at int input terminal. 12. application 12.1 fs9922_dmm3 circuitry r2 100k r1 82k r3 1m c5 10uf c4 10uf c6 10uf s6 max/min s5 hz/duty s4 rel/rs232 s3 hold/light s2 range d1 led buzzer r4 1k vdd r5 100k c7 0.1uf s7 rst osc1 4mhz r6 1m 1 2 3 4 5 10 9 8 7 6 kp2-6 r8 90k r7 10k r9 28.7k c8 4.7uf d3 1n4148 d2 1n4148 c11 27nf c12 27nf c10 0.47uf c9 0.47uf r10 22k r11 22k r13 100k r12 100k r15 40k r17 100k r16 45k r14 20k vr1 10k c13 27nf c14 27nf r22 1k r24 100k r25 900k r26 100k r27 1k r28 10k r29 101.01k r30 1.111m r31 10m u3 com u1 20a j5 j12 temp r20 0.495ohm r21 49.5ohm j2 ma r19 0.005ohm u2 ua/ma f1 20a/250v f2 0.5a/250v u4 v/diode/ohm/cap/hz j4 hz j6 j7 c15 27nf ptc 1.2k c16 10nf q1 9013 q2 9013 j8 vr2 2k d4 d5 2*1n4004 dc/ac mv r23 100k dcv acv ohm diode bz ohm diode bz mv ma a r33 1k r32 45k r35 1m j1 hz s1 select hz_net c19 10uf vb vb lcd c2 10uf c3 10uf bt 3v sw vr3 10k vr4 2k 1 6 2 7 3 8 4 9 5 u5 db9 d7 d6 r36 220 r34 1k hz_net j10 ohm diode cap cap bz cap op2n 1 op2p 2 refo 3 refi 4 ftc2 5 ftb2 6 adp2 9 adp 10 ad1p 11 ad1n 12 sgnd 13 sa 14 dt 15 smv 16 cres1 17 rl 18 ftc1 7 ftb1 8 rcap1 19 rcap2 20 onek 21 tenk 22 hunk 23 onem 24 tenm 25 nc 26 nc 27 nc 28 vb 29 agnd 30 nc 31 nc 32 nc 33 nc 34 nc 35 seg27 36 seg26 37 seg25 38 seg24 39 seg23 40 seg22 41 seg21 42 seg20 43 seg19 44 seg18 45 seg17 46 seg16 47 seg15 48 seg14 49 seg13 50 seg12 51 seg11 52 seg10 53 seg9 54 seg8 55 seg7 56 seg6 57 seg5 58 seg4 59 seg3 60 seg2 61 seg1 62 com4 63 com3 64 com2 65 com1 66 rlcd 67 vdda 68 vgg 69 ca 70 cb 71 vdd 72 buzzer 73 lbout 74 max/min 75 hz/duty 76 rel/rs232 77 hold/light 78 range 79 select 80 nc 81 nc 82 nc 83 rst 84 pwdt 85 xout 1 86 xin1 87 mea4 88 mea3 89 mea2 90 mea1 91 txd 92 mea5 93 txen 94 int 95 vss 96 nc 97 op1n 98 op1o 99 op2o 100 FS9922-DMM3 r38 5k j11 temp r37 18k low bat j3 ua hfe/temp j9 ua diagram 3: application circuitry
FS9922-DMM3 rev. 0. 6 15/35 12.2 FS9922-DMM3 circuitry components list no. spec. no. spec. no. spec. no. spec. r1 82k r21 49.5 ? c9 c10 0.47f buzzer buzzer r2 r5 r12 r13 r17 r23 r24 r26 100k r25 900k c11 c12 c13 c14 c15 27nf ptc 1.2k thermistor r3 r6 r35 1m r27 1k c16 10nf vr1 vr3 10k ? r4 r22 r33 r34 1k r29 101.01k d1 led diode vr2 vr4 2k ? r7 r28 10k r30 1.111m d2 d3 1n4148 bt 3v battery r8 90k r31 10m d4 d5 1n4004 osc1 oscillator r9 28.7k r36 220 ? d6 receive diode s1~s7 function keys r10 r11 22k r37 5k d7 launch diode kp2-6 mode switch r14 20k r38 18k ic fs9922- dmm3 u5 9 pin connector r15 40k c2 1f q1 q2 9013 u1~u4 probe r16 r32 45k c3 c4 c5 c6 c19 10f lcd lcd r19 0.005 ? c7 0.1f f1 20a fuse tube r20 0.495 ? c8 4.7f f2 r1 82k r21 49.5 ? c9 c10 12.3 power supply system vb is the bias current input point in ic. the increase of r1 will reduce the current consumption in ic, but the shortage of bias current will affect the input range of ac measurement. refi refo rlcd vdda vb vgg ca cb vdd agnd vss r15 40k r2 100k r3 1m r14 20k r1 100k c5 10uf c4 10uf c6 10uf c2 10uf c3 10uf bt 3v vr1 10k FS9922-DMM3 diagram 4: power supply circuit
FS9922-DMM3 rev. 0. 6 16/35 agnd is the analog ground connection. its potential is equal to the middle point of vdda. the potential of the point is generated in the ic and cannot connect to the middle point of battery. c3 enables agnd stable relative to vss. c6 is the charge pump, ic let vdd go through c6 to charge/discharge and make vgg to be double of vdd. vdda is the output voltage after the regulation of vgg in the ic. it is about 3.9v relative to vss. refo is the bandgap power source in the ic. it is about 1.2v relative to agnd and has the stability of 100ppm/ . vgg vdda rlcd vdd refo refi agnd vss FS9922-DMM3 0.44v 1.2v vdda/2 3v 3.9v 2*vdd vdda/2 3v diagram 5: relative voltage at each point sw 3v bt vdd agnd vss FS9922-DMM3 c3 10uf c2 10uf diagram 6: power supply on/off circuit note: in order to avoid ?hang up? when FS9922-DMM3 is power-on and off fast, vss has to be received by sw during power off. 12.4 power supply circuit the different applications of users make different power supply methods. in some measurements, the sensor requires higher voltage such as opamp, hall device and so on. if it is difficult to supply the power by 3v, then you can take some power supply methods as below. vdd vss agnd FS9922-DMM3 3v 10uf 10uf diagram 7: 3v power supply
FS9922-DMM3 rev. 0. 6 17/35 vdd vss agnd FS9922-DMM3 10uf 10uf 10uf 4.5v~9v dc- to- dc v+ v- diagram 8: 4.5v~9v power supply vdd vss agnd fs9922-dmm 3 2v~2.4v 2v~2.4v 10uf 10uf 10uf 6v ~12v v+ v- diagram 9: 6v~12v power supply 10uf 10uf 10uf 9v~12v v+ v- 1n4148 njm79l03a vdd agnd vss FS9922-DMM3 diagram 10: 9v~12v power supply 12.5 base power source refi refo FS9922-DMM3 r15 40k r14 20k vr1 10k diagram 11: the utility of internal base power source
FS9922-DMM3 rev. 0. 6 18/35 vgg icl8069a refi FS9922-DMM3 20k 20k 15k diagram 12: the utility of external base power source 12.6 trigger reset circuit r5 100k c7 0.1uf s7 rst vdd FS9922-DMM3 rst diagram 13: reset circuit note: 1. r5 and c7 are the components for reset, which will automatically reset when power on. 2. s7 is the key for manual reset. may not use it if the manual reset function is not necessary. 12.7 oscillation circuit osc1 4mhz xout xin cx1 cx2 FS9922-DMM3 r6 1m diagram 14: oscillation circuit in the diagram, r6 is the reverser to provide the static working point; cx2 is the fine adjustment of frequency; cx1 is temperature offset. in less requirements situation, cx1 and cx2 can be unused.
FS9922-DMM3 rev. 0. 6 19/35 12.8 buzzer driver circuit 51 vdd buzzer bj1 10k buzzer fs9922-dmm 3 diagram 15: low resistance buzzer connection 1.5k vdd buzzer bj1 10k buzzer FS9922-DMM3 diagram 16: high resistance buzzer connection 12.9 mode switch and function control circuit for mode switch and function control, please refer to diagram 17. kp1~kp5 are mode switches which are the lock switches. for their functions, please refer to ?measurement modes select?. s1~s6 are the trigger keys. for their functions, please refer to ?keys definition? and ?other functions?. in practical application, it depends on the actual situation to decide which switches and keys. kp2 kp3 kp4 kp5 kp1 s2 s3 s4 s5 s1 s7 c7 0.1uf r5 100k vdd FS9922-DMM3 select range hold/light rel/rs232 hz/duty mea2 mea1 mea3 mea4 mea5 rst int s6 max/min diagram 17: mode switch and function control circuit
FS9922-DMM3 rev. 0. 6 20/35 12.10 ac rectification circuit diagram 18 is the average value rectification circuitry of FS9922-DMM3. in the circuit, ac signals enter ic through r31, and then in the process of voltage division through r31, r30, r29, r28 and r27. the divided ac signals come out from op1o pin and enter ic through adip pin and adin pin after rectification. vr2 can adjust the signal size to be the calibration of ac measurement. diagram 19 is the peak value rectification circuitry. diagrams 20 and 21 are the true valid value rectification circuitry. users may determine which rectification circuit to select according to their needs. + _ + _ + _ c8 4.7uf c10 0.47uf c9 0.47uf d3 d2 c12 27nf c11 27nf to digit part inl inh to adc v- to adc v+ adip adin op2o op2n op1o op1n to adc v+ FS9922-DMM3 op2p r13 100k r12 100k r11 22k r10 22k vr2 2k r9 28.7k r8 90k r7 10k diagram 18: average rectification circuit + _ + _ + _ 4.7uf 27nf to digit part inl inh to adc v- to adc v+ adip adin op2o op2n op1o op1n to adc v+ FS9922-DMM3 op2p 22k 22k vr 22k 90k 10k diagram 19: peak value rectification circuit
FS9922-DMM3 rev. 0. 6 21/35 + _ input ampcifier 47f 0.1f 10f 1f 1 2 3 45 6 7 8 full wave rectifier rms core bias s ect ion vss adi n adi p op1o vdd ad737 FS9922-DMM3 10f 10f 9v in out in4148x2 45k 8k 100k 8k 10k 100k txen 1f njm79l03a 90k 10k op1n diagram 20: true valid value rectification circuit (a) 10uf 5k 40k 27k op1o op2n op2o 1 2 3 45 6 7 8 cc vin pd vss cav vo vdd com 33uf 10uf 0.1uf adin adip 10uf 0.1uf 1 2 3 45 6 7 8 nc cap+ cap- out lv v+ osc 33uf 10uf npn 80k 50k 500k 10uf 0.1uf 0.1uf ad737 7660 FS9922-DMM3 vdda vss vgg vgg diagram 21: true valid value rectification circuit (b)
FS9922-DMM3 rev. 0. 6 22/35 12.11 voltage measurement please refer to diagram 22 for voltage measurement. when doing the voltage measurement, the measured voltage is input from resistance r31, and dcmv is not divided but enter ic directly; the mode voltages of 4v, 40v, 400v, 4000v are divided by r30, r29, r28, r27 and r31 to gain 1/10, 1/100, 1/1000, 1/10000 of the input voltages, then enter ic. single ac and dc 40mv/400mv voltage is input by sa. refi refo tenm onem hunk tenk onek sgnd r27 1k r28 10k r29 101.01k r30 1.111m r31 10m r15 40k r14 20k r22 1k vr1 10k ptc 1.2k v com v FS9922-DMM3 j6 j5 sa r23 100k diagram 22: voltage measurement the formula of voltage division is: vout=vin [rs/ r31+rs ] rs is r30 r29 r28 or r27 therefore, the accuracy of r27, r28, r29, r30 and r31 decides the accuracy of each measurement. please refer to diagram 23 for voltage division circuit. r31 10m r30 1.111m r31 10m r29 101.01k r31 10m r28 10k r31 10m r27 1k vin=1v vin=10v vin=100v vin=1000v vout=0.1v vout=0.1v vout=0.1v vout=0.1v diagram 23: voltage division circuit
FS9922-DMM3 rev. 0. 6 23/35 12.12 ac/dc mv voltage measurement please refer to diagram 24 for ac/dc mv voltage measurement. refi refo sgnd r15 40k r14 20k r22 1k vr1 10k ptc 1.2k v com mv FS9922-DMM3 j8 sa r23 100k q1 q2 j5 diagram 24: 40mv/400mv voltage measurement 12.13 current measurement please refer to diagram 25 for current measurement. when doing the current measurement, the current signals enter ic through r23. the sampling resistance of a mode is r21+r20+r19, the sampling resistance of ma mode is r20+r19, and the sampling resistance of 40a mode is r19. they are measured respectively through the mode switch. when measuring a, j2 is close; when measuring ma, j2 and j3 are close; when measuring the bulk current of 40a mode, j3 is close. the maximum reduced voltage generated by a, ma and 40a modes is 200mv. the accuracy of r21, r20 and r19 influences the accuracy of current measurement. note: the max. reduced voltage is 400mv when the current measurement is under the code no. 00100 01000 00011 and 00101. r23 100k r21 49.5 r20 0.495 r19 0.005 f2 0.5a/250v f1 20a/250v j3 j2 u2 20a u1 ua/ma u3 com agnd FS9922-DMM3 d4 d5 sa _ + op1o op1n r8 90k r7 10k diagram 25: current measurement
FS9922-DMM3 rev. 0. 6 24/35 12.14 clamp meter circuit please refer to diagram 26 for clamp meter measurement circuit. when FS9922-DMM3 is applied to clamp meter, the ac/dc sampling signals of 4.000a 40.00a 400.0a and 4000a are input from sa and agnd, and the full scale value is 400mv rms. diagram 26 indicates only the ac application. sa agnd r23 100k r rl vr fs9922-dmm 3 diagram 26: clamp meter circuit 12.15 resistance measurement please refer to diagram 27 for resistance measurement. resistance measurement refers to the standard resistance, and then takes a comparison between the resistance to be measured and the standard resistance to get the measured resistance value. the standard resistance of 40m ? mode is 10m ? (r31). the standard resistance of other modes are r31 to parallel respectively with r30, r29, r28 and r27 to get 1m ? , 100k ? , 10k ? , 1k ? resistance. when doing resistance measurement, internal ic will generate 0.44v voltage (relative to agnd), the voltage is output respectively to the resistance to be measured through resistance r31, r30, r29, r28 and r27. r26 connects to rl, which is the negative input of the referenced voltage from the standard resistance. j7 and j10 are mode switches. when doing resistance measurement, j7 and j10 are close. c15 is the wave filter capacitance of the point to be measured in resistance measurement. tenm onem hunk tenk onek sgnd r27 1k r28 10k r29 101.01k r30 1.111m r31 10m r22 1k ptc 1.2k v com FS9922-DMM3 j10 j7 j8 rl smv r26 100k r25 900k cres1 c15 27nf q1 9013 q2 9013 rx diagram 27: resistance measurement
FS9922-DMM3 rev. 0. 6 25/35 12.16 diode test please refer to diagram 28 for diode test. tenm onek sgnd r27 1k r31 10m r22 1k ptc 1.2k v com fs9922-dmm 3 j10 j7 j8 smv r25 900k dt q1 9013 q2 9013 r26 100k vd diagram 28: diode test during the diode test, 2.7v voltage (relative to agnd) is generated from ic internal, and output through r27, then added to the positive of diode through ptc. the positive reduced voltage vd generated by diode is approx. 0.5v-2.0v. vd is divided by r25 and r26 to be 1/10 of vd, and then amplified 10 times by internal op to display the vd value. j10 and j7 are mode switches, which are close during diode measurement. 12.17 continuity test please refer to diagram 29 for continuity test. when doing the continuity test, the inner of ic will generate 0.44v voltage (relative to agnd), output from r27, and is added to open-short measuring point through ptc. j10 and j7 are mode switches, which are closed during the continuity test. rx gets voltage vrx, and enters ic through r25. from the diagram we know that rx= r27+ptc /50 so, the resistance value of ptc will influence the top limit of the resistance during continuity test. when ptc is not connected, the resistance of the buzzer sound is smaller than 30 ? , if r27 is 1k ? . onek agnd r27 1k ptc 1.2k v/ohm com FS9922-DMM3 j10 j7 j8 smv r25 900k q1 9013 q2 9013 _ + 0.4v vref _ + ra 50k rb 1k rx diagram 29: continuity test
FS9922-DMM3 rev. 0. 6 26/35 12.18 transistor hfe test please refer to diagram 30 for transistor hfe test. vdda e c b sa vdda c e b sa 1.5m 100 r23 100k 1.5m 100 r23 100k pnp type transistor npn type transistor diagram 30: transistor hfe test 12.19 capacitance measurement please refer to diagram 31 for capacitance measurement. capacitance measurement is to create oscillation by charging and discharging the measured capacitance through r33 or r32, and to find out the capacitance value by calculating the oscillation cycle. the capacitance measurement reading value can be calibrated through the adjustment of vr3 or vr4. j10 and j7 are mode switches, which are closed during capacitance measurement. rcap2 smv sgnd ptc 1.2k FS9922-DMM3 com cap 3/4vdd 1/4vdd vdd agnd j7 j10 cmp do+ do+ do+ do- do- do- + - cx r25 900k r22 1k r33 1k r32 45k vr3 10k vr4 2k rcap1 j8 q1 9013 q2 9013 typical wave at input 3/4vdd 1/4vdd vdd tdo diagram 31: capacitance measurement
FS9922-DMM3 rev. 0. 6 27/35 12.20 frequency measurement please refer to diagram 32 for frequency measurement. sa sgnd ptc 1.2k fs9922-dmm com hz j1 j4 ~ + c19 10uf r35 1m r22 1k r38 5k diagram 32: frequency measurement 12.21 temperature measurement please refer to diagram 33 for temperature measurement. _ + t6 k type op1o sa sgnd refo FS9922-DMM3 rt3 100k r23 100k r8 90k r7 10k rt2 180 rt1 10k r22 1k vr6 10k op1n r37 18k j11 j13 diagram 33: temperature measurement
FS9922-DMM3 rev. 0. 6 28/35 description of diagram 33: 1) diagram 33 the temperature test circuit is for reference only; besides, it is only for the k type thermocouple. no decimal point under code no. 11111 temperature measurement mode. 2) a. in the application of the circuit in diagram 33, since there is a minor deviation between each ic?s referenced voltage, different model of transistor are adopted for diode, pn joint?s voltage/temperature properties are also different, resulting in different compensation effect at the cold point. therefore, proper adjustments shall be taken to rt1 rt2 and rt3. b. v6 is adjusted to 0 , r38 to be the hi gh point, the scale of k type thermocouple is about 40v/ each. therefore, the op amplifying time is 2.5. c: if other thermocouples are used for temperature sensors, users can adjust properly the op amplifying times according to the diagram 33. 3) there are two measurement process -273.0 ~+400.0 (-459.4 H ,+752.0 H ) and -273 ~+ 4000 (-459 H ,+7232 H ) in the code no. 10111 and 01110 measurement mode, which are under the auto measurement mode. to -273.0 ~+400.0 measurement process, the corresponding scale value is 10.0 /mv each; to -273 ~+ 4000 measurement process, the corresponding scale value is 10 /mv. therefore, ops with different amplifying time shall be used respectively depending on different kinds of temperature sensors to reach the requirement of 10.0 /mv and 10 /mv. the corresponding will be calculated out automatically H by referring to .
FS9922-DMM3 rev. 0. 6 29/35 13. rs232 transmission specification 13.1 rs232 transmission format is 14 byte. its transmission rate is 2400 bps. the format is as follow: sing data byte space point sb1 sb2 sb3 sb4 bar eof enter 1 2 3 4 5 6 7 8 9 10 11 12 13 14 +/- x x x x 020h x x x x x x 00dh 00ah 13.2 14 byte output code location: a) sing byte 1: 0f0h h) sb1 byte: 0f7h b) data byte 2: 0f1h i) sb2 byte: 0f8h c) data byte 3: 0f2h j) sb3 byte: 0f9h d) data byte 4: 0f3h k) sb4 byte: 0fah e) data byte 5: 0f4h l) bar byte: 0fbh f) space byte: 0f5h m) eof byte: 0fch g) point byte: 0f6h n) enter byte: 0fdh 13.3 sing byte stands for the positive or negative sign of dmm measuring signal, and its output code is ascii code: a) positive + : 02bh b) negative - : 02dh 13.4 data byte is 4 byte that stands for dmm measured data, and its output code is ascii code: a) date byte 2: stands for lcd_1 c)date byte 4: stands for lcd_3 b) date byte 3: stands for lcd_2 d)date byte 5: stands for lcd_4 13.5 point byte stands for the decimal location, and its output code is hex code: a)point 0 : 030h stands for no decimal and lcds 0000 b)point 1 : 031h stands for no decimal and lcds 0.000 c)point 2 : 032h stands for no decimal and lcds 00.00 d)point 3 : 033h stands for no decimal and lcds 000.0 13.6 sb1 byte code is as follow (sb1), and its output code is hex code: status bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0 0 1 0 0 auto dc ac rel hold bpn 13.7 sb2 byte code is as follow (sb2), and its output code is hex code: status bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0 0 1 z1 z2 max min apo bat n z3 13.8 sb3 byte code is as follow (sb3), and its output code is hex code: status bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0 0 1 m k m beep diode % z4
FS9922-DMM3 rev. 0. 6 30/35 13.9 sb4 byte code is as follow (sb4), and its output code is hex code: status bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0 0 1 v a ? hfe hz f H 13.10 bar byte: bit 7 stands for the positive or negative; bit 0~6 stands for bar graph number. its output code is hex code. 13.11 example: measuring voltage mode meas: 11010 : input 0v. lcd is as follow: 13.12 rs232 output format: 2d-30-30-30-30-20-31-11-00-00-80-80-0d-0a 13.13 rs232 output wave form rsout intruction txd movwf rsout movlw 55h 55h buzy/irq5 diagram34 rs232 output wave form
FS9922-DMM3 rev. 0. 6 31/35 14. lcd 14.1 lcd panel diagram35 lcd diagram 14.2 lcd table lcd pin 1 2 3 4 5 6 7 8 9 10 ic pin com1 com2 com3 com4 seg1 seg2 seg3 seg4 seg5 seg6 com1 com1 bpn bp2 bp4 bp6 bp8 bp9 com2 com2 bpo bp1 bp3 bp5 bp7 d4 com3 com3 bp- auto apo e4 g4 com4 com4 dc ac f4 a4 lcd pin 11 12 13 14 15 16 17 18 19 20 ic pin seg7 seg8 seg9 seg10 seg11 seg12 seg13 seg14 seg15 seg16 com1 bp11 bp13 bp15 bp16 bp18 bp20 bp22 bp24 bp25 bp27 com2 bp10 bp12 bp14 d3 bp17 bp19 bp21 bp23 d2 bp26 com3 c4 p3 e3 g3 c3 p2 e2 g2 c2 com4 b4 f3 a3 b3 hold max f2 a2 b2 lcd pin 21 22 23 24 25 26 27 28 29 30 31 ic pin seg17 seg18 seg19 seg20 seg21 seg22 seg23 seg24 seg25 seg26 seg27 com1 bp29 bp31 bp32 bp34 bp36 bp38 bp40 f hz z1 com2 bp28 bp30 d1 bp33 bp35 bp37 bp39 ? H z2 com3 p1 e1 g1 c1 m % k n a z3 com4 min f1 a1 b1 rs232 m v hfe z4 description: 1. bpn is the rule of bar graph 0, 10, 20, 30, 40 2. bp is the scale of bar graph. the first left is bp0, then to right are bp1, bp2??, and so on, the most right including the arrow is bp40.
FS9922-DMM3 rev. 0. 6 32/35 14.3 description of symbols of lcd symbol description symbol description symbol description low battery continuity nf f capacitance unit auto auto measure hold data hold hz khz mhz frequency unit ac ac max, min max./min. value hold % impulse signal / duty cycle percentage dc dc relative value measure apo auto power off negative mv v voltage unit hfe transistor dc amplifying times rs232 data output a ma a current unit z1 z2 z3 z4 user defined symbols diode ? k ? m ? resistance unit 15. package outline & pad assignment 15.1 package outline
FS9922-DMM3 rev. 0. 6 33/35 15.2 pad assignment pad opening: 90 m chip size: 3455 x 2811 (m) note: substrate should be connected to vss diagram 37: pad assignment
FS9922-DMM3 rev. 0. 6 34/35 15.3 pad coordination pad no. name x [m] y [m] pad no. name x [m] y [m] pad no. name x [m] y [m] 1 op2o 86 72 34 nc 3382 711 67 rlcd 1434 2739 2 op2n 231 72 35 nc 3382 821 68 vdda 1324 2739 3 op2p 341 72 36 seg27 3382 931 69 vgg 1214 2739 4 refo 451 72 37 seg26 3382 1041 70 ca 1104 2739 5 refi 561 72 38 seg25 3382 1151 71 cb 994 2739 6 ftc2 671 72 39 seg24 3382 1261 72 vdd 884 2739 7 ftb2 781 72 40 seg23 3382 1371 73 buzzer 774 2739 8 ftc1 891 72 41 seg22 3382 1481 74 lbout 664 2739 9 ftb1 1001 72 42 seg21 3382 1591 75 max/min 554 2739 10 adp2 1111 72 43 seg20 3382 1701 76 hz/dut y 444 2739 11 adp 1221 72 44 seg19 3382 1811 77 rel/rs232 334 2739 12 ad1p 1331 72 45 seg18 3382 1921 78 hold/light 224 2739 13 ad1n 1441 72 46 seg17 3382 2031 79 range 85 2739 14 sgnd 1551 72 47 seg16 3382 2141 80 select 72 2385 15 sa 1661 72 48 seg15 3382 2251 81 nc 72 2275 16 dt 1771 72 49 seg14 3382 2361 82 nc 72 2165 17 smv 1881 72 50 seg13 3376 2739 83 nc 72 2055 18 cres1 1991 72 51 seg12 3204 2739 84 rst 72 1945 19 rl 2101 72 52 seg11 3094 2739 85 pwdt 72 1835 20 rcap1 2211 72 53 seg10 2984 2739 86 xout1 72 1725 21 rcap2 2321 72 54 seg9 2874 2739 87 xin1 72 1600 22 onek 2432 72 55 seg8 2764 2739 88 mea4 72 1490 23 tenk 2542 72 56 seg7 2654 2739 89 mea3 72 1380 24 hunk 2552 72 57 seg6 2544 2739 90 mea2 72 1270 25 onem 2762 72 58 seg5 2434 2739 91 mea1 72 1160 26 tenm 2872 72 59 seg4 2324 2739 92 txd 72 1050 27 nc 2982 72 60 seg3 2214 2739 93 mea5 72 940 28 nc 3092 72 61 seg2 2104 2739 94 txen 72 830 29 vb 3202 72 62 seg1 1994 2739 95 int 72 720 30 agnd 3372 72 63 com4 1874 2739 96 vss 72 610 31 nc 3382 381 64 com3 1764 2739 97 op1n 72 500 32 nc 3382 491 65 com2 1654 2739 98 op1o 72 390 33 nc 3382 601 66 com1 1544 2739 16. ordering information product number package type FS9922-DMM3 dice form (98 pins), 100-pin qfp
FS9922-DMM3 rev. 0. 6 35/35 17. revision history ver. date page description 0.5 2004/12/24 all 1. first english version of data sheet. 2. document is corresponding to simplified chinese version 0.5. 6 10 28 use -273.0 instead of -400.0 and use -273 instead of -4000 . 0 .6 2006 /09/15 21 revise the diagram 20, true valid value rectification circuit.

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