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skyworks solutions, inc. ? phone [781] 376 - 3000 ? fax [781] 376 - 3100 ? sales@skyworks inc.com ? www.skyworksinc.com 200954e ? skyworks proprietary i nformation ? products and product informatio n are subject to change without notice ? march 23 , 2011 1 data sheet sky65126 - 21 : 800- 900 mhz high linearity 2 w power amplifier applications ? wcdma/cdma/tdma/gsm/lte ? repeaters ? wll and ism band transmitters ? mobile radios ? femto cell base stations features ? high linearity: oip3 > +48 dbm ? p1db = +32.5 dbm ? aclr C 45 dbc for p out = +24.5 dbm ? evm < 3% for p out = +25 dbm (ofdm, 64 - qam) ? high efficiency: pae = 29% ? output power detector: 20 db dynamic range ? high gain = 32 db ? internal rf match and bias circuits ? single dc supply: 5 v ? small footprint, mcm (20 - pin, 6 x 6 mm) sm t package ( msl3, 2 6 0 c per jedec j - std - 020) figure 1. sky65126 - 21 block diagram description skyworks sky65126 - 21 is a fully - matched, surface mount power amplifier (pa) designed for wcdma, cdma, tdma, gsm, and lte radio, repeaters, transmitters, mobi le radios, and femto cell base station applications operating in the 800 to 900 mhz band. the device is fabricated using skyworks gaas heterojunction bipolar transistor (hbt) process, which allows for single supply operation while maintaining high efficien cy and good linearity. a block diagram of the sky65126 - 21 is shown in figure 1. the device package and pinout for the 20 - pin mcm are shown in figure 2. figure 2. sky65126 - 21 pinout C 20- pin mcm (top view)
data sheet ? sky65126 - 21 800- 900 mhz high lineari ty pa 4lzpslt4pmvupotodt1ipof - - ms s 2 .si ssqss i s ss s sii table 1. sky65126 - 21 signal descriptions pin # name description pin # name description s mmsm 2 s s mmsm m n ssm q ssm s s q s s s table 2. sky65126 - 21 absolute maximum ratings paramete r symbol minimum maximum units 3 in qqs qqmm qsqss C sqss C qss note: qss sqsssmmisimqss immmis qsssmismmimmissmqs i caution : although this device is designed to be as robust as possible, electrostatic discharge (esd) can damage this device. this device must be protected at all times from esd. static charges may easily produce potentials of several kilovolts on the human body or equipment, which can discharge without detection. industry - standard esd precautions should be used at all times. technical description 5if 4,: - qmsi issi qsq sii - iqs miisiqqii qsmmssqssm s i s , - is smmisqms iqqsqmqqm iqqmmq sqmissmss qqm mq sqmismmii qqmimq electrical and mechanical specifications 4hobmobtthonfoutboegvodupobmoeftds upotbsf eftdscfeo5bcmf5ifbctpmvufnbynvnsbuohtpguif 4,: - sqsm qs sqm msmqs qsm . qmqssiss sis isi
data sheet ? sky65 126- 21 800- 900 mhz high lineari ty pa 4lzpslt4pmvupotodt1ipof - - ms s inc.com ssqss i s ss s sii .si table 3. sky65126 - 21 recommended operating conditions parameter symbol minimum typical maximum units 4vmzpmubhf qssr f . qs qs s C table 4. sky65126 - 21 electrical specifications (note 1) (vcc 1 = vcc2 = vref1 = vref2 = vc_bias = 5 v, t c = +25 c, f = 850 m hz , u nless o therwise n oted) parameter symbol test condition min typical max units sfrvfodz f . mmm |s | qssmmmm |s | qssmmmm |s 22 | qqs s ssqsq q. s im- - . f . C C 2ss i q m qsmss i note 1 sssmsimim typical performance characteristics (vcc1 = vc c2 = vref1 = vref2 = vc_bias = 5 v, t c = +25 c, f = 850 mhz, unless otherwise noted) figure 3. s - parameters vs frequency figure 4. gain vs output power
data sheet ? sky65126 - 21 800- 900 mhz high lineari ty pa 4lzpslt4pmvupotodt1ipof - - ms s .si ssqss i s ss s sii figure 5. oip3 vs output power (tone spacing = 1 mhz) figure 7. aclr vs output power (wcd ma test tone #1, 64 dpch, f = 5 mhz figure 6. noise figure vs frequency q. q.
data sheet ? sky65 126- 21 800- 900 mhz high lineari ty pa 4lzpslt4pmvupotodt1ipof - - ms s inc.com ssqss i s ss s sii .si evaluation board description 5if4,: - msi qssi, - ms isqss . m qs i mm.sm.msmsq mssimsi s . msmsmsi s -smqimisss s . circuit design considerations 5ifgpmmpohefthodpotefsbupotbsfhfofsbmoobuvsfboe nvtucfgpmmpfesfhbsemfttpggobmvtfpsdpoghvsbupo isimisqm 2. isqi, - i qmmsm ismssrsiqiism siqissi iiiiqmsi issii sq qiqsiss .mqmismsssrs note: a poor connection between the slug and ground increases junction temperature (t j ) , which reduces the lifetime of the device. evaluation board test procedure 4uf rqiqq. s q s q mmm qqmsii 2 ssqqsm q qqmm C sii qmmqqsmsii iqqsm note: it is important to adjust the vcc 1 and vcc2 voltage source s so that +5 v is measured at the board . h igh collector currents drop the collector voltage significantly if long leads are used. adjust the bias voltage to compensate. figure 8. sky65126 - 21 evaluation board schematic
data sheet ? sky65126 - 21 800- 900 mhz high lineari ty pa 4lzpslt4pmvupotodt1ipof - - ms s .si ssqss i s ss s sii table. 5. sky65126 - 21 evaluation board bill of materials (bom) compon ent value size product # manufacturer manufacturers part # characteristics q , - - .s ., q - .s . - , , - i . r2 - i . figure 9 . evaluation board assembly drawing
data sheet ? sky65 126- 21 800- 900 mhz high lineari ty pa 4lzpslt4pmvupotodt1ipof - - ms s inc.com ssqss i s ss s sii .si figure 1 0 . evaluation board layer detail
data sheet ? sky65126 - 21 800- 900 mhz high lineari ty pa 4lzpslt4pmvupotodt1ipof - - ms s .si ssqss i s ss s sii figure 1 1 . layer detail physical characteristics application circuit notes center ground utfyusfnfmznpsubouuptvggdfoumzhspvoeuif cpuupnhspvoebepguifefdfgpscpuiuifsnbmboetubcmuz sfbtpotvmumftnbmm btbsfbddfubcmfboemmpslfmm voefsuifefdfgtpmefsnhsbupotbottvf gnd (pins 1, 2, 3, 8, 10, 17 , 19, and 20) uubdibmmhspvoeot upuif3hspvoembofuiuifmbshftuebnfufsboempftu oevdubodfbuibuuifmbzpvubmmptv mumftnbmmbtbsf bddfubcmfboemmpslfmmvoefsuifefdfgtpmefsnhsbupo tbottvf n/c (pins 5, 14, 15, and 18) 5iftfotbsfpfoboenbzps nbzopucfdpoofdufeuphspvoe v c_ bias (pin 4 ) 5ifcbttvmzpmubhfgpstubhftboe uzdbmmztfuup7 vref1 (pin 6 ) #btsfgfsfodfpmubhfgpsbnmgfstubhf5it thobmtipvmecfpfsbufepfsuiftbnfpmubhfsbohfbt7 uibopnobmpmubhfpg7 vref2 (pin 7 ) #btsfgfsfodfpmubhfgpsbnmgfstubhf5it thobmtipvmecfpfsbufepfsuiftbnfpmubhfsbohfbt7 uibopnobmpmubhfpg7 rf_out (pin 9 ) . qmsqq ? ? vcc 2 (pin 1 1 ) 4vmzpmubhfgpsuifpvuvugobmtubhfdpmmfdups cbtuzdbmmz75pczbtt7dbbdupstboe tff hvsf tipvmecfmbdfeouifbspynbufmpdbupo tipopouifbmvbupo#pbsebmuipvhifybdumbdfnfoutopu dsudbm vcc 1 (pin 1 3 ) 4vmzpmubhfgpsuifgstutubhfdpmmfdupscbt uzdbmmz75pczbtt7dbbdupstboetff s imqmiqqsmi imsmiiqmsm rf_in (pin 1 6 ) . qmsqq ? ? package dimensions 5if1#mbpvugppusougpsuif4,: - i s 2 qmssis . si - q..sis , qs msqss . package and handling information 4odfuifefwdfbdlbhfttfotuwfupnptuvsfbctpsupout cblfeboewbdvvnbdlfecfgpsftiohotusvdupotpouif tiohdpoubofsmbcfmsfhbseohfyptvsfupnptu vsfbgufsuif dpoubofstfbmtcsplfonvtucfgpmmpfe0uifstfspcmfnt sfmbufeupnptuvsfbctpsuponbpddvsifouifbsut tvckfdufeupihiufnfsbuvsfevsohtpmefsbttfncm i, - s.s-m.- - smss mssssqqm pcb design and smt assembly/rework guidelines for mcm - l packages epdvvcs siiiqs iis mmsqsmssms sriqssiqq s qsms
data sheet ? sky65 126- 21 800- 900 mhz high lineari ty pa 4lzpslt4pmvupotodt1ipof - - ms s inc.com ssqss i s ss s sii .si figure 1 2 . sky65126- 21 pcb layout footprint figure 13 . sky65126- 21 typical case marking s
data sheet ? sky65126 - 21 800- 900 mhz high lineari ty pa 4lzpslt4pmvupotodt1ipof - - ms s .si ssqss i s ss s sii figure 1 4. sky65126 - 21 20- pin mcm package dimensions
data sheet ? sky65 126- 21 800- 900 mhz high lineari ty pa 4lzpslt4pmvupotodt1ipof - - ms s inc.com ssqss i s ss s sii .si figure 1 5. sky65126 - 21 20- pin mcm tape and reel dimensions
data sheet ? sky65126 - 21 800- 900 mhz high lineari ty pa 4lzpslt4pmvupotodt1ipof - - ms s .si ssqss i s ss s sii ordering information model name manufacturing part number evaluation board part number 4,: - sqms , - - - qsi smmmis siqsismiswqsssi smm isissqs sssssmqsqmisss qmsssssismsi s issiqssqsqssq is qismssimmisqmis smqmsismsssi miisqsqmqqmsissmmmqsqssii smms smqss sqsissmimssqsssqsss smqqsss m .- .iw,.-- -.-.2- - .--- --- -.,,.-.. .-,, ----.-- .--2-.--. --.-..-.. - -. sqsssmmsm - qqmsisrqiiimsisqsmmqsms iqims smsssmmsqssiqqmiss smmss smsiqsqssm sssqms isqsqqmsqsiisqmiqsm ssssqs qsqmiqsssqsimm qssiiss smms qqmsqssrqsmsisqs qmiqsqss sismisisi qmwsssssssssmiissi s - qss ssqsqmsiqsqsissqsms msmsqs ssqsss

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