attenuators - digital - smt 1 HMC424ALP3E v 0 0.1113 0.5db lsb gaas mmic 6-bit digital attenuator, dc - 13 ghz functional diagram electrical specifcations, t a = +25 c, with vee = -5v & vctl= 0/-5v the HMC424ALP3E is ideal for: ? basestation infrastructure ? fiber optics & broadband telecom ? microwave & vsat radios ? military & space ? test instrumentation 0.5 db lsb steps to 31.5 db single control line per bit 0.5 db typical bit error 9mm 2 leadless smt plastic package the HMC424ALP3E is a broadband 6-bit gaas ic digital attenuator in low cost leadless surface mount package. covering dc to 13 ghz, the insertion loss is less then 4 db typical. the attenuator bit values are 0.5 (lsb), 1, 2, 4, 8, and 16 db for a total attenuation of 31.5 db. attenuation accuracy is excellent at 0.5 db typical step error with an iip3 of +38 dbm. six control voltage inputs, toggled between 0 and -5v, are used to select each attenuation state. a s i n g l e v e e b i a s o f - 5 v a l l o w s o p e r a t i o n a t frequencies down to dc. parameter frequency (ghz) min. ty p. max. units insertion loss dc - 4 ghz 4.0 - 8.0 ghz 8.0 - 13.0 ghz 2.8 3.3 3.9 3.3 3.8 4.4 db db db attenuation range dc - 13.0 ghz 31.5 db return loss (rf1 & rf2, all atten. states) dc - 13.0 ghz 13 db attenuation accuracy: (referenced to insertion loss) 0.5 - 31.5 db states dc - 13.0 ghz (0.3 + 5% of atten. setting) max db input power for 0.1 db compression 1.0 - 13.0 ghz 23 dbm input third order intercept point (two-tone input power= +10 dbm each tone) ref state all other states 1.0 - 13.0 ghz 45 42 dbm dbm switching characteristics trise, tfall (10/90% rf) ton/toff (50% ctl to 10/90% rf) dc - 13.0 ghz 30 50 ns ns 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 HMC424ALP3E v 0 0.1113 0.5db lsb gaas mmic 6-bit digital attenuator, dc - 13 ghz input return loss (only major states are shown) insertion loss normalized attenuation (only major states are shown) bit error vs. frequency (only major states are shown) bit error vs. attenuation state -10 -8 -6 -4 -2 0 03691215 +25 c +85 c -40 c insertion loss (db) frequency (ghz) -2 -1 0 1 2 0 4 8 12 16 20 24 28 32 0.1 ghz 4 ghz 8 ghz 13 ghz bit error (db) attenuation state (db) -35 -30 -25 -20 -15 -10 -5 0 0 3 6 9 12 15 0.5 db 1 db 2 db 4 db 8 db 16 db 31.5 db normalized attenuation (db) frequency (ghz) -2 -1 0 1 2 0 3 6 9 12 15 0.5 db 1 db 2 db 4 db 8 db 16 db 31.5 db bit error (db) frequency (ghz) -25 -20 -15 -10 -5 0 0 3 6 9 12 15 il 0.5 db 1 db 2 db 4 db 8 db 16 db 31.5 db return loss (db) frequency (ghz) output return loss (only major states are shown) -25 -20 -15 -10 -5 0 0 3 6 9 12 15 il 0.5 db 1 db 2 db 4 db 8 db 16 db 31.5 db return loss (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 3 HMC424ALP3E v 0 0.1113 0.5db lsb gaas mmic 6-bit digital attenuator, dc - 13 ghz truth table control voltage bias voltage & current worst case step error between successive attenuation states control voltage input attenuation state rf1 - rf2 v1 16 db v2 8 db v3 4 db v4 2 db v5 1 db v6 0.5 db low low low low low low reference i.l. low low low low low high 0.5 db low low low low high low 1 db low low low high low low 2 db low low high low low low 4 db low high low low low low 8 db high low low low low low 16 db high high high high high high 31.5 db any combination of the above states will provide an attenuation approximately equal to the sum of the bits selected. state bias condition low 0 to -3v @ 35 a typ. high vee to vee +0.8v @ <1 a typ. vee range= -5 vdc 10% vee (vdc) iee (typ.) (ma) iee (max.) (ma) -5 2 5 -2 -1 0 1 2 0 3 6 9 12 15 step error (db) frequency (ghz) relative phase vs. frequency (only major states are shown) -20 0 20 40 60 80 100 0 3 6 9 12 15 0.5 db 1 db 2 db 4 db 8 db 16 db 31.5 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 4 HMC424ALP3E v 0 0.1113 0.5db lsb gaas mmic 6-bit digital attenuator, dc - 13 ghz outline drawing absolute maximum ratings control voltage (v1 to v6) vee - 0.5 vdc bias voltage (vee) -7 vdc channel temperature 150 c thermal resistance 330 c/w storage temperature -65 to + 150 c operating temperature -55 to +85 c rf input power (0.5 - 13 ghz) +25 dbm esd sensitivity (hbm) class 1a electrostatic sensitive device observe handling precautions part number package body material lead finish msl rating package marking [2] HMC424ALP3E rohs-compliant low stress injection molded plastic 100% matte sn msl1 [1] 424a xxxx [1] max peak refow temperature of 260 c [2] 4-digit lot number xxxx 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 pattern. 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 HMC424ALP3E v 0 0.1113 0.5db lsb gaas mmic 6-bit digital attenuator, dc - 13 ghz pad number function description interface schematic 1, 3, 10, 12 gnd package bottom has an exposed metal paddle that must also be connected to rf ground 2, 11 rfin, rfout this pin is dc coupled and matched to 50 ohm. blocking capacitors are required if rf line potential is not equal to 0v. 4, 5, 6, 7, 8, 9 v6 - v1 see truth table and control voltage table. 13, 14, 16 n/c this pin should be connected to pcb rf ground to maximize performance 15 vee supply voltage -5v 10% pin description suggested driver circuit (one circuit required per bit control input) simple driver using inexpensive standard logic ics provides fast switching using minimum dc current. * recommended value to suppress unwanted rf signals at v1 - v6 control lines. 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 HMC424ALP3E v 0 0.1113 0.5db lsb gaas mmic 6-bit digital attenuator, dc - 13 ghz 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 eval - uation circuit board shown is available from hittite upon request. * r1 - r6 = 100 ohm. these resistors are optional and may be used to enhance decoupling of the rf path from the control inputs. item description j1 - j2 pcb mount sma connector j3 8 pin dc connector c1 0.01 f capacitor, 0603 pkg. r1 - r6 100 ohm resistor, 0603 pkg. u1 HMC424ALP3E digital attenuator pcb [2] 105245 evaluation pcb [1] reference this number when ordering complete evaluation pcb [2] circuit board material: rogers 4350 list of materials for evaluation pcb ev1hmc424alp3 [1] 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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