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Ver1.0 A1 PROs 1 A1 PROs AI4402 Signal Processor for CCD Monochrome Camera Description The AI4402 is designed to perform the basic signal processing in CCD monochrome camera through a single chip. This bipolar IC is most suitable for compact usage and low power consumption. Pin Configuration SHP OP OUT AGC CONT Vcc1 AGC MAX DET OUT AGC OUT IN CLP LINEAR SYNC DRIVER IN GND2 GND1 DC CONT WC CONT SAG OUT OP IN+ OP INDATA SHD PG CLP2 GND3 IRIS IRIS CLP BLK CLP1 Vcc2 VIDEO Feature * Processing from CCD output to 75 O video output with a single chip * Wide variable AGC (1 to 32 dB Typ.) * Built-in operational amplifier for AGC loop * 75 O line capacitance minimized using sag compensation function * Variable white clip level realize wide dynamic range (140 IRE) * 32pin TQFP AI4402 Application CCD monochrome camera 32 PIN TQFP (Top view) Absolute Maximum Ratings (Ta = 25 E ) Symbol Vcc TSTG TOPR PD Parameter Supply Voltage Storage Temperature Operating Temperature Allowable Power Dissipation Rating 7 -65 ~ +150 -20 ~ +75 500 Unit V E E N Operating Conditions Symbol Vcc Parameter Supply Voltage Rating 4.75 ~ 5.25 Unit V Block Diagram CLP2 25 SHP 24 S/H SHD1 21 S/H S/H AGC AGC AGC a a LP IN C MAX CONT OUT 14 16 12 11 10 OP OUT 17 DATA 22 GND3 26 IRIS 27 Vcc1 15 GND1 3 CLP2 BLK CLP1 a 1 a 2 28 9 8 IRIS LINEAR CLP OUT DRIVE IN + PG 23 CLP2 _ + CLP1 BLK NC AGC 18 OP19 OP+ 13 DET OUT 31 VCC2 + _ 7 CLP1 WC DC BLK SYNC DRIVE 32 VIDEO 1 2 SAG GND2 6 5 4 30 29 WC DC SYNC CLP1 BLK CONT CONT 1 AI4402 Pin Description NO. Symbol I/O signal Equivalent circuit 10 U Description 150 O 1 SAG Inputs VIDEO OUT through capacitor 1 150 O 400 E Input pin of sag compensation signal 6 U 2 3 GND2 GND1 * GND * GND GND for driver and IRIS GND for other than driver and sample hold and IRIS 20 E 150 O 4 T 4 SYNC HI : 4.5V and above LO : 0.5V and below T:5 A Sync pulse input pin (active at LO) Dark clip level adjusting pin * GND 5 DC CONT * 2 to 3.5V 5 Turns to preset mode 1 150 O Control mode 40 E * Vcc Turns to preset mode 2 White clip level adjusting pin 150 O 6 WC CONT * GND 6 Preset mode 40 E * 2 to 3.5V Control mode *External applied voltage 2 AI4402 NO. Symbol I/O signal Equivalent circuit Description 7 DRIVE IN Inputs a UT O through capacitor or LINEAR 7 Input pin to driver 40 E 8 a OUT DC 2V 8 480 E Gamma compensation signal output pin. Outputs a when 1 Pin 9 at OPEN outputs a when 2 Pin 9 turned to 5V 150 O Linear signal ( a -OFF signal) output pin 9 LINEAR DC 1.8V 9 480 E 15 E * Vcc Pin 8 output signal turns to a output 2 150 O 10 a CLP 10 150 O Capacitor connecting pin for gamma input clamp *External applied voltage 3 AI4402 NO. Symbol I/O signal Equivalent circuit Description 150 O 11 11 a IN Input DC permissible range *DC2 to 3V 80 E 160 E Input pin of the gamma compensation circuit 700 E 12 12 AGC OUT Vpp MAX 1300mV Vpp TYP 500mV DC 2.55V Output pin of signal passed through AGC 13 DET OUT MAX 1500mV TYP 500mV DC 2V 320 E 13 Output pin of AGC detection signal 20 E 150 O 14 AGC MAX * DC 14 Maximum gain setting pin of AGC amplifier 15 Vcc1 *5V Power supply for other than driver and IRIS *External applied voltage 4 AI4402 NO. Symbol I/O signal Equivalent circuit Description 150 O 16 16 AGC CONT * DC 120 E Gain control pin of AGC amplifier 320 E 17 OP OUT 17 Output pin of the operational amplifier 150 O 18 18 OP IN20 E Inverted input pin of the operational amplifier 150 O 19 OP IN+ 19 20 E Non inverted input pin of the operational amplifier (AGC detection signal input pin) *External applied voltage 5 AI4402 NO. 20 Symbol NC I/O signal Equivalent circuit Description T 100 E 150 O 21 SHD * HI : 4.5V and above LO : 0.5V and below T : 15ns and above 21 Input pin of the sample hold pulse (active at HI) * 150 E 22 DATA * MAX 800mV MAX 800mV 22 CCD signal input pin 150 E * 23 23 PG * MAX 800mV MAX 800mV CCD signal input pin T 150 O 100 E 24 24 SHP * HI : 4.5V and above LO : 0.5V and below T : 15ns Input pin of the sample hold pulse (active at HI) *External applied voltage 6 AI4402 NO. Symbol I/O signal T Equivalent circuit Description 100 E 150 O 25 CLP2 * HI : 4.5V and above LO : 0.5V and below T:2 A 25 CLP2 pulse input pin (active at HI) 26 GND3 *GND Sample hold GND 27 IRIS DC 1.3V 320 E 27 Output pin of the IRIS control signal 150 O 28 28 IRIS CLP 150 O Capacitor connecting pin for IRIS output clamp T 40 E 150 O 29 BLK 29 * HI : 4.5V and above LO : 0.5V and below T : 11 A BLK pulse input pin (active at LO) *External applied voltage 7 AI4402 NO. Symbol I/O signal T Equivalent circuit Description 50 E 150 O 30 CLP1 * HI : 4.5V and above LO : 0.5V and below T:2 A 30 CLP1 pulse input pin (active at HI) 31 Vcc2 * 5V Driver and IRIS power supply 32 VIDEO BLK level 1.5V 32 VIDEO signal output pin *External applied voltage 8 AI4402 Electrical Characteristics(Ta=25 E Vcc=5V,See Electrical Characteristics Test Circuit) , No. Symbol 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Icc MAX AG1 AG2 AG3 ADC a 1 a 2 LG DDC IG IDC DG SY DC1 DC2 DC3 DC4 WC1 WC2 WC3 OPL OPH Item Current consumption Min. value of AGC MAX Min. value of AGC CONT Max. value of AGC CONT AGC CONT 10dB AGC OUT DC a output level 1 a output level 2 LINEAR AMP GAIN DET OUT DC IRIS AMP GAIN IRIS OUT DC DRIVER GAIN SYNC level Dark clip 1 Dark clip 2 Min. value of DC CONT Max. value of DC CONT W-CLIP level Min. value of WC CONT Max. value of WC CONT OP AMP output D range Low level OP AMP output D range High level Conditions Current value of Vcc1 and Vcc2 AGC CONT = 1.5V GAIN between DATA input and AGC OUT DATA input = 100mV AGC MAX = 4V, AGC CONT = 1.5V GAIN between DATA input and AGC OUT DATA input = 500mV, AGC CONT = 5V GAIN between DATA input and AGC OUT DATA input = 30mV, AGC CONT =1.5V GAIN between DATA input and AGC OUT DATA input = 320mV, AGC CONT =3.55V DC output level of AGC OUT Test value of a output level 1 a input = 500mV IN Test value of a output level 2 a input = 500mV, S9 ON IN GAIN between a input level and LINEAR IN a input = 500mV IN DC output level of DET OUT GAIN between DATA input and IRIS DATA input = 300mV DC output level of IRIS GAIN between DRIVER IN and VIDEO DRIVER IN = 700mV SYNC level / DG* of VIDEO output Min Typ Max Unit 45 30 8 50 18 1 32 10 65 20 4 12 mA dB dB dB dB V 2.25 2.55 2.85 530 630 730 mV 580 680 780 mV 1.5 1.8 8 1.1 5.7 2.6 2.0 10 1.3 6.0 3.5 2.2 12 1.5 6.3 dB V dB V dB 270 293 316 mV Dark clip level of preset mode 1 -15 0 15 mV Dark clip level / DG* of VIDEO output Dark clip level of preset mode 2 0 20 40 mV Dark clip level / DG* of VIDEO output Dark clip level / DG* of VIDEO output 3 5 mV DC CONT = 2V Dark clip level / DG* of VIDEO output 80 130 mV DC CONT = 3.3V W-CLIP level / DG* of VIDEO output DRIVER IN =1500mV, WC CONT = GND 780 820 860 mV W-CLIP level / DG* of VIDEO output - 300 600 mV DRIVER IN =1500mV, WC CONT =2.2V W-CLIP level / DG* of VIDEO output DRIVER IN =1500mV, WC CONT =3.3V 1000 1300 DC output level of OP OUT 0.8 1.2 OP IN+ = 2.5V, OP IN- = 4V DC output level of OP OUT 4.5 4.8 OP IN+ = 4V, OP IN- = 2.5V mV V V *Characteristics value at DRIVER GAIN item 9 AI4402 Electrical Characteristics Test Circuit 5V 0.1 24 SHP 23 PG 5V 0.1 22 DATA 21 SHD 20 NC 19 OP IN+ 18 OP IN- V 17 OP OUT 25 CLP2 26 GND3 V 27 IRIS 28 IRISCLP 29 BLK 30 CLP1 AGC CONT 16 (5V) 5V A VCC1 15 AGCMAX 14 DETOUT 13 AGCOUT 12 IN 11 (0V) V V 0.01 5V A 31 VCC2 GND2 GND1 SYNC 32 VIDEO DRIVERIN DC CONT WCCONT CLP 10 LINEAR 9 OUT 0.01 SAG V V 5V S9 1 2 3 4 5 6 7 8 0.01 V (0V) (0V) Note ) * is the capacitance unit of capacitor * For pins 5,6,14 and16 apply voltage in brackets unless otherwise specified in the conditions column of the electrical characteristics. * a indicate a test pin. (Test AC, DC voltage) * For Pins 7,11 and 22, the input signal level is at 0mV, unless otherwise specified in the conditions column of the Electrical Characteristics. 10 AI4402 Test Circuit I/O Waveform Diagram Input pin 2.4V 22. DATA 11. IN 2.5V 7. DRIVER IN 2.7V 4. SYNC 5V 5s 0V 29. BLK 5V 0V 5V 30. CLP1 0V 2s 5V 25. CLP2 0V 15s 50s Input level Input level Input waveform Input level 2s Output pin Output waveform 8. 1, 2 OUT Test 9. LINEAR Test 12. AGC OUT Test 13. DET OUT Test 27. IRIS Test 32. VIDEO Test SYNC level 11 AI4402 Application Circuit 15V 100 KDS226 CCD 3.9K 10K 1K 5V + 100K 22 2.7K 10K 1KVR + 1M 0.1 24 SHP 23 PG 22 DATA 0.1 1i /16V 2K 5V 5V 0.1 21 SHD 20 NC 19 OP IN+ 18 OP IN17 OP OUT 2.2K 271p 25 CLP2 26 GND3 AGC CONT 16 VCC1 15 15K 33K IRIS DET. 0.01 27 IRIS 28 IRISCLP 29 BLK AGCMAX 14 DETOUT 13 AI4402 1K AGCOUT 12 IN 11 CLP 10 DRIVERIN + 2.2K 5V 30 CLP 12 22p 220p 31 VCC2 GND2 GND1 SYNC 32 VIDEO + DC CONT WCCONT 1i /6.3 OUT LINEAR 9 100 /6.3V 75 + 1 SAG 2 3 4 5 6 7 8 5V 0.1 10 0.1 75 Video out. Timing Gen. (Ai5412) * Capacitance unit : F * Resistor unit : 12 AI4402 Characteristic Curve (Vcc=5V, Ta=25 C) Fig.1 - AGC control characteristics Fig.2 - AGC MAX control characteristics 30 GAIN (dB) GAIN (dB) 20 10 0 -10 1 2 3 4 AGC CONT (V) 5 40 30 20 10 0 1 2 3 4 5 AGC MAX (V) Fig.3B - 2 I/O characteristics Fig.3A - 1 I/O characteristics 1000 1 output level (mV) 1000 2 output level (mV) 500 1000 IN input level (mV) Fig.4 - White Clip control characteristics 500 500 0 0 500 1000 IN input level (mV) Fig.5 - Dark clip control characteristics 1000 White clip level (mV) 800 600 400 0 1 2 3 4 WC CONT (V) 5 Set up level (mV) Preset 50 Preset Preset 0 1 2 3 4 DC CONT (V) 5 13 AI4402 Package Outline UNIT = mm 0.05 0.10 C 0.10 -C0.8BSC # 0.37+0.08 -0.07 9.00BSC *7.0BSC -A- -B- DATUM PLANE (3.5) 8-121 "A" v 0.20 C A-B D -D(3.5) *7.0BSC 9.00BSC DD 0.20 H A-B D 0.20 C A-B D 0.2MIN -H- (0.6375) 0.MIN 1.400.05 R 0-7 0.100.05 RO 0.60.15 1.00REF GAUGE PLANE DETAIL " A " Note ) 1. DIMENSION * MARK DOES NOT INCLUDE MOLD FLASH 2. DIMENSION # DOES NOT INCLUDE DAMBAR PROTRUSION 3. UNSPECIFIED IS ACCORDING TO JEDEC MO-136, VARIATION "BE" 0.09-0.2 0 0.25 (0.6375) .08 MIN 20 -0. .08 O 14 D 1.50MAX . |
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