12 - 1 for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, 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 variable gain amplifiers - digital - smt 12 HMC680LP4 / 680lp4e v03.0609 functional diagram t he h m c680 lp 4( e ) i s a digitally controlled variable gain amplifer which operates from 30 to 400 m hz , and can be programmed to provide -4 d b to +19 d b o f gain, in 1 d b steps. t he h m c6 80 lp 4( e ) d elivers noise fgure of 5 d b in its maximum gain state, with output ip 3 o f up to +40 d b m i n any state. t hi s high linearity d v ga also provides a differential rf output which can be used to interface directly with sa w fl ters in t x a nd r x a pplications, and with digital to analog converters in r x c hains. t he h m c6 80 lp 4( e ) is housed in a r oh s compliant 4x4 mm q fn leadless package, and is c m o s / t tl c ompatible. typical applications features general description bicmos mmic 5-bit digital variable gain amplifier, 30 - 400 mhz electrical specifcations, t a = +25 c, 50 ohm system, vdd = +5v p arameter m in . t yp . m ax . units f re quency r an ge 30 - 400 m hz g ai n ( m ax imum g ai n s ta te) 17 19 d b g ai n control r an ge 23 d b i np ut r et urn l os s 12 d b ou tput r et urn l os s 13 d b g ai n a cc uracy: ( r ef erenced to m ax imum g ai n s ta te) a ll g ai n s ta tes (0.15 + 3% of g ai n s et ting) m ax . d b ou tput p ow er for 1d b c ompression 23 25 d b m ou tput t hi rd order i nt ercept p oi nt ( t wo - t on e output p ow er= +5 d b m e ac h t on e) [1] 40 d b m ou tput s ec ond order i nt ercept p oi nt ( t wo - t on e output p ow er= +5 d b m e ac h t on e) [1] 65 d b m ha rmonics 2nd order 3rd order 70 75 d b c d b c s te p a cc uracy ( r ef erenced to m ax imum g ai n s ta te) 0.2 d b n oi se f ig ure (max gain state) 5 d b s wi tching characteristics t r is e, t f al l (10/90% r f ) to n , to ff ( 50% c tl t o 10/90% r f ) 11 1 3 ns ns control s up ply current i dd 4 5 m a a mp s up ply current ( rf ou tp ) 12 2 135 m a a mp s up ply current ( rf ou tn ) 12 2 135 m a [1 ] t es t frequency 50 m hz t he h m c680 lp 4( e ) is i deal for: ? cellular/3 g i nfr astructure ? wi b ro / w i ma x / 4 g ? m ic rowave r ad io & v sa t ? t es t e qu ipment and s en sors ? i f & r f a pp lications tt l /c m o s c ompatible parallel or latched parallel control interface high output i p 3: + 40 d b m ( a t al l gain settings) l ow n oi se f ig ure: 5 d b wi de g ai n control r an ge: 23 d b 24 l ea d 4x4 mm s mt p ac kage: 16 mm 2 e xcellent s ta te & s te p a cc uracy (0.05 d b ) 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
12 - 2 for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, 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 v ariable gain amplifiers - digital - s mt 12 HMC680LP4 / 680lp4e v03.0609 bicmos mmic 5-bit digital variable gain amplifier, 30 - 400 mhz input return loss (only major states are shown) normalized attenuation (only major states are shown) maximum gain vs. frequency output return loss (only major states are shown) -35 -30 -25 -20 -15 -10 -5 0 0 0.1 0.2 0.3 0.4 0.5 0.6 normalized attenuation (db) frequency (ghz) 8 db 16 db 23 db -40 -35 -30 -25 -20 -15 -10 -5 0 0 0.1 0.2 0.3 0.4 0.5 0.6 return loss (db) frequency (ghz) i.l maximum attenuation -30 -25 -20 -15 -10 -5 0 0 0.1 0.2 0.3 0.4 0.5 0.6 return loss (db) frequency (ghz) i.l maximum attenuation 0 5 10 15 20 25 0 0.1 0.2 0.3 0.4 0.5 0.6 +25 c +85 c -40 c gain (db) frequency (ghz) bit error vs. frequency (only major states are shown) bit error vs. attenuation state -5 -4 -3 -2 -1 0 1 2 3 4 5 0 4 8 12 16 20 24 bit error (db) attenuation state (db) bit error < 1db, 400mhz and below bit error > 1db, 450mhz and above 600mhz 30mhz -2 -1.5 -1 -0.5 0 0.5 1 1.5 2 0 0.1 0.2 0.3 0.4 0.5 0.6 bit error (db) frequency (ghz) 1, 2, 4, 8, 16 db 23 db 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
12 - 3 for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, 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 variable gain amplifiers - digital - smt 12 HMC680LP4 / 680lp4e v03.0609 bicmos mmic 5-bit digital variable gain amplifier, 30 - 400 mhz output ip3 vs. temperature (+5 dbm output power per tone) output ip2 vs. temperature (+5 dbm output power per tone) relative phase vs. frequency (only major states are shown) 0 5 10 15 20 25 30 35 40 45 50 0 0.1 0.2 0.3 0.4 0.5 0.6 -40c +25c +85c ip3 (dbm) frequency (ghz) -40 -20 0 20 40 60 80 0 0.1 0.2 0.3 0.4 0.5 0.6 relative phase (deg) frequency (ghz) 16, 23 db 1, 2, 4 db 8 db noise figure vs. attenuation state 0 5 10 15 20 25 0 0.2 0.4 0.6 0.8 1 noise figure (db) frequency (ghz) 8db i.l. 4db 2db 1db output p1db vs. temperature step accuracy vs. frequency 0 5 10 15 20 25 30 35 40 0 0.1 0.2 0.3 0.4 0.5 0.6 -40c +25c +85c p1db (dbm) frequency (ghz) 0 20 40 60 80 100 0 0.1 0.2 0.3 0.4 0.5 0.6 -40c +25c +85c ip2 (dbm) frequency (ghz) -2 -1.5 -1 -0.5 0 0.5 1 1.5 2 0 0.1 0.2 0.3 0.4 0.5 0.6 step error (db) frequency (ghz) 1, 2, 4, 23 db 16 db 8 db 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
12 - 4 for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, 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 v ariable gain amplifiers - digital - s mt 12 HMC680LP4 / 680lp4e v03.0609 bicmos mmic 5-bit digital variable gain amplifier, 30 - 400 mhz absolute maximum ratings rf i nput p ow er 20 d b m rf o utput p ow er 22 d b m d ig ital i np uts ( b 0- b 4, l at ch e na ble) -0.5 to vdd +0.5v b ia s voltage (vdd) 5.6 v channel t em perature 125 c continuous p d iss ( t = 8 5 c) (derate 42 mw/c above 85 c) 1.7 w t he rmal r es istance (channel to ground paddle) 24 c/w s to rage t em perature -65 to +150 c operating t em perature -40 to +85 c ele c tr o st ati c s ensiti v e de v i c e o bs er v e h an dling pr e c a u ti o ns amp bias voltage vdd rf (v) i dd ( t yp .) (m a ) 5v 2 44 atten u ati o n ( d b ) b 4 [1] b 3 [1] b 2 b 1 b 0 0 0 0 0 0 0 1 0 0 0 0 1 2 0 0 0 1 0 3 0 0 0 1 1 4 0 0 1 0 0 5 0 0 1 0 1 6 0 0 1 1 0 7 0 0 1 1 1 8 0 1 0 0 0 9 0 1 0 0 1 10 0 1 0 1 0 11 0 1 0 1 1 12 0 1 1 0 0 13 0 1 1 0 1 14 0 1 1 1 0 15 0 1 1 1 1 16 1 x 0 0 0 17 1 x 0 0 1 18 1 x 0 1 0 19 1 x 0 1 1 20 1 x 1 0 0 21 1 x 1 0 1 22 1 x 1 1 0 23 1 x 1 1 1 [1] e na bling b 4 di sables b 3, t he minimum attenuation is 16 d b truth table harmonics vs. frequency supply current vs. temperature -100 -80 -60 -40 -20 0 0 0.1 0.2 0.3 0.4 0.5 0.6 2nd harmonic 3rd harmonic harmonic (dbc) frequency (ghz) 200 220 240 260 280 4.5 5 5.5 -40c +25c +85c id (ma) voltage (v) control interface: t he gain of h m c6 80 lp 4( e ) i s controlled by adjusting the state of the attenuator. t he attenuator has a 5-bit parallel c m o s / tt l c ompatible interface. s ta te of the attenuator can be set with respect to the truth table above. power on sequence: t he ideal power up sequence is: gn d , v dd, d ig ital inputs, rf inputs. r el ative order of the digital inputs is not important as long as they are powered after v dd / gn d . control voltage table s tate v dd = +3v vdd = +5v l ow 0 to 0.5v @ <1 a 0 to 0 .8v @ <1 a hi gh 2 to 3v @ <1 a 2 to 5 v @ <1 a 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
12 - 5 for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, 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 variable gain amplifiers - digital - smt 12 HMC680LP4 / 680lp4e v03.0609 bicmos mmic 5-bit digital variable gain amplifier, 30 - 400 mhz p art n umber p ac kage b od y m at erial l ea d f in ish ms l r at ing p ac kage m ar king [3] h m c680 lp 4 l ow s tr ess i nj ection m ol ded p la stic s n/ p b s ol der ms l 1 [1] h680 xxxx h m c6 80 lp 4 e r oh s -c ompliant l ow s tr ess i nj ection m ol ded p la stic 100% matte s n ms l 1 [2] h680 xxxx [1] m ax p eak refow temperature of 235 c [2] m ax p eak refow temperature of 260 c [3] 4- d ig it lot number xxxx package information outline drawing n o t es : 1. l eadframe m aterial : co pp er a ll oy 2 . d imensi o ns a re i n i n ch es [ mi llimeters ] 3. l ead s pa c in g t o le ran c e i s n o n -c u m u la ti v e . 4. p ad b u rr l engt h s h al l b e 0 .15mm m a x im u m . p ad b u rr h ei g h t s h al l b e 0 .05mm m a x im u m . 5. p a ck ag e w ar p s h al l n o t e xc ee d 0 .05mm. 6. a ll g r ou nd l eads a nd g r ou nd p addle m u st b e s o ld ered t o p c b r f g r ou nd . 7. r efer t o h it tite a ppli c at i o n n o t e f o r s u gg ested l and p attern . 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
12 - 6 for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, 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 v ariable gain amplifiers - digital - s mt 12 HMC680LP4 / 680lp4e v03.0609 bicmos mmic 5-bit digital variable gain amplifier, 30 - 400 mhz pin descriptions p in n umber f un ction d es cription i nt erface s ch ematic 1 ib ias b ia s current to amplifer. e xt ernal inductors required. 2, 5, 6, p ac kage b ot tom n /c , g nd t he se pins and package bottom must be connected to r f / d c gr ound. 3 is et e xt ernal bias resistor to adjust the current of the amplifer. 4, 18 vdd p ow er s up ply 9, 10, 11, 12, 13 b 4 - b 0 co ntrol inputs to digital attenuator. s ee t ru th t ab le & control voltage t ab le. 7, 8 rf ou tp , rf ou tn b al anced amplifer outputs. e xt ernal components required 20, 24 am pinn , am pinp b al anced a mp lifer inputs. e xt ernal components required. 21, 23 fb 2, fb 1 f ee dback capacitance for the amplifer. 22 le co mmon mode emitter inductor. t he l e p in r equires high quality (less than 200mohms resistance) inductor to ground. a n in ductance of 100nh is recommended. 14 rf in rf i nput to digital attenuator. d c bl ocking capacitor required. 15, 16, 17 f c3 - f c1 e xt ernal capacitors to ground are required. p la ce these capacitors close to the package. 19 at tn ou t rf o utput to digital attenuator. d c bl ocking capacitor required. 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
12 - 7 for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, 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 variable gain amplifiers - digital - smt 12 HMC680LP4 / 680lp4e v03.0609 bicmos mmic 5-bit digital variable gain amplifier, 30 - 400 mhz application circuit 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
12 - 8 for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, 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 v ariable gain amplifiers - digital - s mt 12 HMC680LP4 / 680lp4e v03.0609 bicmos mmic 5-bit digital variable gain amplifier, 30 - 400 mhz evaluation pcb t he circuit board used in the application should use rf circuit design techniques. s ig nal 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. t he e valuation circuit board shown is available from hit- tite upon request. list of materials for evaluation pcb 115585 [1] i tem d es cription j1 - j2 p c b m ou nt s ma c onnector j3 12 p in d c co nnector c1 - c8, c11 - c14 1000 p f c apacitor, 0402 p kg. c 9 100 p f c apacitor, 0402 p kg. c 10 10k p f c apacitor, 0402 p kg. c 15 4.7 f t an talum capacitor, case a s iz e l 1, l 2 68 0 nh i nd uctor, 0805 p kg. l 3, l 4 33 0 nh i nd uctor, 0603 p kg. l 5 10 0 nh i nd uctor, 0603 p kg. r 1 68 0 ohm r es istor, 0603 p kg. r 2 - r 6 39 k ohm r es istor, 0402 p kg. r 7, r 8 0 oh m r es istor, 0402 p kg. t 1, t 2 1: 1 r f t ra nsformer, m a /c o m s mt b al un ( et c1 -1-13) u1 h m c6 80 lp 4( e ) va riable g ai n a mp lifer p c b [2] 115584 e valuation p c b [1 ] r ef erence this number when ordering complete evaluation p c b [2 ] circuit b oa rd m at erial: a rl on 25 fr o r r og ers 4350 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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