attenuators - digital - smt 1 HMC468ALP3E v00.1212 1db lsb gaas mmic 3-bit digital positive control attenuator, dc - 6ghz functional diagram electrical specifcations, t a = +25 c, with vdd = +5v & vctl = 0/+5v the HMC468ALP3E is ideal for: ? cellular; umts/3g infrastructure ? fixed wireless & wll ? microwave radio & vsat ? test equipment 1 db lsb steps to 7 db high ip3: +55 dbm 0.25 db typical bit error single control line per bit single +5v supply 16 lead 3x3 mm smt package: 9 mm 2 the HMC468ALP3E is a broadband 3-bit gaas ic digital attenuators in a low cost leadless sur - face mount package. covering dc to 6.0 ghz, the insertion loss is less than 1 db typical up to 4 ghz. the attenuator bit values are 1 (lsb), 2 and 4 db for a total attenuation of 7 db. attenuation accu - racy is excellent at 0.4 db typical step error with an iip3 of +55 dbm. three control voltage inputs, toggled between 0 and +5v, are used to select each attenua - tion state. a single vdd bias of +5v is required. parameter frequency (ghz) min. typ. max. units insertion loss dc - 2.5 ghz 2.5 - 4.5 ghz 4.5 - 6.0 ghz 0.5 0.7 0.9 1.0 1.2 1.4 db db db attenuation range dc - 6 ghz 7 db return loss (rf1 & rf2, all atten. states) dc - 6 ghz 20 db attenuation accuracy: (referenced to insertion loss) all states 1 - 4 db states 5 - 7 db states dc - 2.5 ghz 2.5 - 6.0 ghz 2.5 - 6.0 ghz 0.2 + 2% of atten. setting max. 0.3 + 3% of atten. setting max. 0.4 + 4% of atten. setting max. db db db input power for 0.1 db compression 0.25 - 6.0 ghz 26 dbm input third order intercept point (two-tone input power= 0 dbm each tone) 0.25 - 6.0 ghz 55 dbm switching characteristics trise, tfall (10/90% rf) ton, toff (50% ctl to 10/90% rf) dc - 6 ghz 60 80 ns ns * bypass capacitor connecting acg1, acg2 & acg3 to rf ground required per pin description herein. typical applications features general description for price, delivery and to place orders: hittite microwave corporation, 2 elizabeth drive, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com information furn is hed by an al og devices is believed to be a cc urate and re lia bl e. however, no responsibility is assumed by an al og devices for its u se, no r for any infring emen ts of pat en ts or other rights of third parties that may result from its use. specifications subject to change without notice. no license is granted by implication or otherwise under any patent or patent rights of analog devices. trademarks and registered trademarks are the property of their respective owners. for price, delivery, and to place o rd ers: an al og devices, inc., one techn ol ogy way, p.o. box 9106, norwood, ma 02062-9106 phone: 781-329-4700 o rd er online at ww w.an alog .com app li cation sup po rt: p ho ne: 1-800-analog-d
attenuators - digital - smt 2 HMC468ALP3E v00.1212 1db lsb gaas mmic 3-bit digital positive control attenuator, dc - 6ghz return loss rf1, rf2 (only major states are shown) insertion loss normalized attenuation (only major states are shown) bit error vs. frequency (only major states are shown) relative phase vs. frequency (only major states are shown) bit error vs. attenuation state -3 -2.5 -2 -1.5 -1 -0.5 0 0123456 +25 c +85 c -40 c insertion loss (db) frequency (ghz) -35 -30 -25 -20 -15 -10 -5 0 0123456 il 1 db 2 db 4 db 7 db return loss (db) frequency (ghz) -10 -8 -6 -4 -2 0 0123456 1 db 2 db 4 db 7 db normalized attenuation (db) frequency (ghz) -1 -0.6 -0.2 0.2 0.6 1 1234567 100 mhz 500 mhz 1 ghz 2 ghz 3 ghz 4 ghz 5 ghz 6 ghz bit error (db) attenuation state (db) -1 -0.6 -0.2 0.2 0.6 1 0123456 1 db 2 db 4 db 7 db bit error (db) frequency (ghz) -10 -5 0 5 10 15 20 0123456 1 db 2 db 4 db 7 db relative phase (deg) frequency (ghz) for price, delivery and to place orders: hittite microwave corporation, 2 elizabeth drive, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com information furn is hed by an al og devices is believed to be a cc urate and re lia bl e. however, no responsibility is assumed by an al og devices for its u se, no r for any infring emen ts of pat en ts or other rights of third parties that may result from its use. specifications subject to change without notice. no license is granted by implication or otherwise under any patent or patent rights of analog devices. trademarks and registered trademarks are the property of their respective owners. for price, delivery, and to place o rd ers: an al og devices, inc., one techn ol ogy way, p.o. box 9106, norwood, ma 02062-9106 phone: 781-329-4700 o rd er online at ww w.an alog .com app li cation sup po rt: p ho ne: 1-800-analog-d
attenuators - digital - smt 3 HMC468ALP3E v00.1212 1db lsb gaas mmic 3-bit digital positive control attenuator, dc - 6ghz truth table ttl/cmos control voltages state bias condition low 0 to 0.8 vdc @ -0.05 ua typ. high +2.0 to +5.0 vdc @ 40 ua typ. control voltage input attenuation setting rf1 - rf2 v1 4 db v2 2 db v3 1 db high high high reference i.l. high high low 1 db high low high 2 db low high high 4 db low low low 7 db any combination of the above states will provide an attenuation approximately equal to the sum of the bits selected. step error between successive attenuation states bias voltage & current vdd range= +5.0 vdc 10% vdd (vdc) idd ( typ.) (ma) idd (max.) (ma) +5.0 1.05 1.8 -1 -0.6 -0.2 0.2 0.6 1 0123456 il 1 db 2 db 3 db 4 db 5 db 6 db 7 db step error (db) frequency (ghz) for price, delivery and to place orders: hittite microwave corporation, 2 elizabeth drive, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com information furn is hed by an al og devices is believed to be a cc urate and re lia bl e. however, no responsibility is assumed by an al og devices for its u se, no r for any infring emen ts of pat en ts or other rights of third parties that may result from its use. specifications subject to change without notice. no license is granted by implication or otherwise under any patent or patent rights of analog devices. trademarks and registered trademarks are the property of their respective owners. for price, delivery, and to place o rd ers: an al og devices, inc., one techn ol ogy way, p.o. box 9106, norwood, ma 02062-9106 phone: 781-329-4700 o rd er online at ww w.an alog .com app li cation sup po rt: p ho ne: 1-800-analog-d
attenuators - digital - smt 4 HMC468ALP3E v00.1212 1db lsb gaas mmic 3-bit digital positive control attenuator, dc - 6ghz absolute maximum ratings outline drawing rf input power +30 dbm control voltage (v1 to v3) -0.5 vdc to vdd +1 vdc bias voltage (vdd) +7 vdc channel temperature 150 c continuous pdiss (t = 85 c) (derate 10. 1mw/ c above 85 c) 0.657 w thermal resistance 99 c/w storage temperature -65 to +150 c operating temperature -40 to +85 c esd sensitivity (hbm) class 1a electrostatic sensitive device observe handling precautions part number package body material lead finish msl rating package marking [1] HMC468ALP3E rohs-compliant low stress injection molded plastic 100% matte sn msl1 [2] 468a xxxx [1] 4-digit lot number xxxx [2] max peak refow temperature of 260 c package information notes: 1. leadframe material: copper alloy 2. dimensions are in inches [millimeters] 3. lead spacing tolerance is non-cumulative 4. pad burr length shall be 0.15mm maximum. pad burr height shall be 0.05mm maximum. 5. package warp shall not exceed 0.05mm. 6. all ground leads and ground paddle must be soldered to pcb rf ground. 7. refer to hittite application note for suggested land pat tern. for price, delivery and to place orders: hittite microwave corporation, 2 elizabeth drive, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com information furn is hed by an al og devices is believed to be a cc urate and re lia bl e. however, no responsibility is assumed by an al og devices for its u se, no r for any infring emen ts of pat en ts or other rights of third parties that may result from its use. specifications subject to change without notice. no license is granted by implication or otherwise under any patent or patent rights of analog devices. trademarks and registered trademarks are the property of their respective owners. for price, delivery, and to place o rd ers: an al og devices, inc., one techn ol ogy way, p.o. box 9106, norwood, ma 02062-9106 phone: 781-329-4700 o rd er online at ww w.an alog .com app li cation sup po rt: p ho ne: 1-800-analog-d
attenuators - digital - smt 5 HMC468ALP3E v00.1212 1db lsb gaas mmic 3-bit digital positive control attenuator, dc - 6ghz pin descriptions pin number function description interface schematic 1, 3, 4, 8, 9, 10, 12 n/c these pins should be connected to pcb rf ground to maximize performance. 2, 11 rf1, rf2 this pin is dc coupled and matched to 50 ohm. blocking capacitors are required 13 - 15 v1 - v3 see truth table and control voltage table. 5 - 7 acg1 - acg3 external capacitor to ground is required. select value for lowest frequency of operation. place capacitor as close to pins as possible. 16 vdd supply voltage gnd package bottom has an exposed metal paddle that must be connected to rf/dc ground. application circuit for price, delivery and to place orders: hittite microwave corporation, 2 elizabeth drive, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com information furn is hed by an al og devices is believed to be a cc urate and re lia bl e. however, no responsibility is assumed by an al og devices for its u se, no r for any infring emen ts of pat en ts or other rights of third parties that may result from its use. specifications subject to change without notice. no license is granted by implication or otherwise under any patent or patent rights of analog devices. trademarks and registered trademarks are the property of their respective owners. for price, delivery, and to place o rd ers: an al og devices, inc., one techn ol ogy way, p.o. box 9106, norwood, ma 02062-9106 phone: 781-329-4700 o rd er online at ww w.an alog .com app li cation sup po rt: p ho ne: 1-800-analog-d
attenuators - digital - smt 6 HMC468ALP3E v00.1212 1db lsb gaas mmic 3-bit digital positive control attenuator, dc - 6ghz evaluation pcb the circuit board used in the application should use rf circuit design techniques. signal lines should have 50 ohm impedance while the package ground leads and exposed paddle should be connected directly to the ground plane similar to that shown. a sufficient number of via holes should be used to connect the top and bottom ground planes. the evaluation circuit board shown is available from hit - tite upon request. list of materials for evaluation pcb 107302 - hmc468alp3 [1] item description j1 - j2 pcb mount sma connector j3 - j7 dc pin c1 1000 pf capacitor, 0603 pkg. c2, c3 100 pf capacitor, 0402 pkg. c4 3300 pf capacitor, 0603 pkg. u1 HMC468ALP3E digital attenuator pcb [2] 107300 evaluation pcb [1] reference this number when ordering complete evaluation pcb [2] circuit board material: rogers 4350 for price, delivery and to place orders: hittite microwave corporation, 2 elizabeth drive, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com information furn is hed by an al og devices is believed to be a cc urate and re lia bl e. however, no responsibility is assumed by an al og devices for its u se, no r for any infring emen ts of pat en ts or other rights of third parties that may result from its use. specifications subject to change without notice. no license is granted by implication or otherwise under any patent or patent rights of analog devices. trademarks and registered trademarks are the property of their respective owners. for price, delivery, and to place o rd ers: an al og devices, inc., one techn ol ogy way, p.o. box 9106, norwood, ma 02062-9106 phone: 781-329-4700 o rd er online at ww w.an alog .com app li cation sup po rt: p ho ne: 1-800-analog-d
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