the information provided herein is believed to be reliable at press time. sirenza microdevices assumes no responsibility for in accuracies or ommisions. sirenza microdevices assumes no responsibility for the use of this information, and all such information shall be entirely at t he user?s own risk. prices and specifications are subject to change without notice. no patent rights or licenses to any of the circuits described herein are implied or granted to any third party. sirenza microdevices does not authorize or warrant any sirenza microdevices product for use in life-support devices and/or systems. copyright 2002 sirenza microdevices, inc. all worldwide rights reserved. 303 south technology court broomfield, co 80021 phone: (800) smi-mmic http://www.sirenza.com 1 eds-103612 rev c sirenza microdevices? sza-2044 is a high efficiency class ab heterojunction bipolar transistor (hbt) amplifier housed in a low-cost surface-mountable plastic package. this hbt amplifier is made with ingap on gaas device technology and fabricated with mocvd for an ideal combi- nation of low cost and high reliability. this product is specifically designed as a final stage for 802.11b/g and 801.16 equipment in the 2.0-2.7 ghz bands. it can run from a 3v to 5v supply. optimized on-chip imped- ance matching circuitry provides a 50 ? nominal rf input impedance. the external output match and bias adjustabil- ity allows load line optimization for other applications or over narrower bands. it features an output power detector, on/off power control and high rf overdrive robustness. key specifications symbol parameters: test conditions, app circuit page 4 z 0 = 50 ? , v cc = 5.0v, iq = 300ma, t bp = 30oc unit min. typ. max. f o frequency of operation mhz 2000 2700 p 1db output power at 1db compression ? 2.4 ghz dbm 29.5 output power at 1db compression ? 2.5 ghz 28.0 29.5 s 21 small signal gain at 2.4 ghz db 23.5 25.5 27.5 small signal gain at 2.5 ghz 23.5 25.5 27.5 pout output power at 3% evm 802.11g 54mb/s - 2.4ghz dbm 22.5 output power at 3% evm 802.11g 54mb/s - 2.5ghz 22.5 nf noise figure at 2.5 ghz db 6.1 im3 third order intermod at 18dbm per tone - 2.5ghz dbc -44 -40 irl worst case input return loss 2.4-2.5ghz db 10 13 orl worst case output return loss 2.4-2.5ghz 9 11 vdet range output voltage range for pout=15dbm to 29dbm v 0.9 to 1.7 i cq quiescent current (v cc = 5v) ma 255 300 345 i vpc power up control current, vpc=5v, ( i vpc1 + i vpc2 )ma 1.9 r th, j-l thermal resistance (junction - lead) oc/w 28 functional block diagram sza-2044 2.0-2.7 ghz 5v 1w power amplifier product features applications ? 802.11g 54mb/s class ab performance pout = 22.5dbm @ 3% evm, 5v, 340ma pout = 18dbm @ 3% evm, 3.3v, 175ma ? on-chip output power detector ? p1db = 29.5dbm @ 5v, p1db = 25dbm @ 3.3v ? robust - survives rf input power = +15dbm - 1000v esd class 1c ? power up/down control < 1 s ? 802.11b/g wlan ? 2.4ghz ism general purpose applications ? wimax 802.16, mmds and mds bands product description 4mm x 4mm qfn package rfin rfout vcc pow e r de te ctor vout activ e bias activ e bias pow e r up /do w n control
303 south technology court broomfield, co 80021 phone: (800) smi-mmic http://www.sirenza.com 2 eds-103612 rev c sza-2044 2.0-2.7 ghz 5v power amp pin out description pin # function description 1,2,4,5, 7,9,11, 13, 15,17,19 n/c these are unused pins and not wired inside the pack age. they may be grounded or connected to adjacent pins. 6 vpc1 vpc1 is the bias control pin for the stag e 1 active bias circuit. an external series resistor is required for proper setting of bias levels. refer to the evaluation board schem atic for resistor value. to prevent potential damage, do not apply voltage to this pin that is +1v greater than voltage applied to pin 20 (vbias) unless vpc supply current capability is less than 10 ma. 8 vpc2 vpc2 is the bias control pin for the stag e 2 active bias circuit. an external series resistor is required for proper setting of bias levels. refer to the evaluation board schem atic for resistor value. to prevent potential damage, do not apply voltage to this pin that is +1v greater than voltage applied to pin 20 (vbias) unless vpc supply current capability is less than 10 ma. 10 vdet output power detector voltage. load with > 10k ohms for best performance 3 rfin rf input pin. this is dc grounded internal to the ic. do not apply voltage to this pin. 12,14 rfout rf output pin. this is also another connection to the 2nd stage collector. 16 vc2 2nd stage collector bias pin. apply 3.0 to 5.0v to this pin. 18 vc1 1st stage collector bias pin. apply 3.0 to 5.0v to this pin. 20 vbias active bias network vcc. apply 3.0 to 5.0v to this pin. epad gnd exposed area on the bottom side of the package needs to be soldered to the ground plane of the board for optimum thermal and rf performance. several vias shou ld be located under the epad as shown in the rec- ommended land pattern (page 5). caution: esd sensitive appropriate precaution in handling, packaging and testing devices must be observed. absolute maximum ratings parameters value unit vc2 collector bias current (i vc2 )500ma vc1 collector bias current (i vc1 )150ma device voltage (v d )7.0v power dissipation 3 w operating lead temperature (t l ) -40 to +85 oc max rf input power for 50 ohm output load 15 dbm max rf input power for 10:1 vswr rf out load 8dbm storage temperature range -40 to +150 oc operating junction temperature (t j )+150oc esd human body model (class 1c) >1000 v operation of this device beyond any one of these limits may cause permanent damage. for re liable continuous operation the device voltage and current must not exceed the maximum operating values specified in the table on page one. bias conditions should also satisfy the following expression: i d v d < (t j - t l ) / r th? j-l simplified device schematic stage 1 bias stage 2 bias pin 3 pin 12, 14 pin 20 pin 6 pin 18 pin 8 pin 16 pin 10 epa d epa d
303 south technology court broomfield, co 80021 phone: (800) smi-mmic http://www.sirenza.com 3 eds-103612 rev c sza-2044 2.0-2.7 ghz 5v power amp performance: 2.3 - 2.7 ghz evaluation board data (v cc = v pc = 5.0v, i q = 300ma) s11 - input return loss -20 -15 -10 -5 0 0123456 freq (ghz) s11(db) t=-40c t=25c t=85c s21 - gain 0 5 10 15 20 25 30 0123456 freq (ghz) s21(db) t=-40c t=25c t=85c narrowband s11 - input return loss -20 -15 -10 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 3.0 freq (ghz) s11(db) t=-40c t=0c t=25c t=70c t=85c s12 - isolation -80 -70 -60 -50 -40 -30 -20 -10 0 0123456 freq (ghz) s12(db) t=-40c t=25c t=85c narrowband s12 - isolation -80 -70 -60 -50 -40 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 3.0 freq (ghz) s12(db) t=-40c t=0c t=25c t=70c t=85c s22 - output return loss -20 -15 -10 -5 0 0123456 freq (ghz) s22(db) t=-40c t=25c t=85c
303 south technology court broomfield, co 80021 phone: (800) smi-mmic http://www.sirenza.com 4 eds-103612 rev c sza-2044 2.0-2.7 ghz 5v power amp narrowband s21 - gain 15 20 25 30 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 3.0 freq (ghz) s21(db) t=-40c t=0c t=25c t=70c t=85c narrowband s22 - output return loss -20 -15 -10 -5 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 3.0 freq (ghz) s22(db) t=-40c t=0c t=25c t=70c t=85c performance: 2.3 - 2.7 ghz evaluation board data (v cc = v pc = 5.0v, i q = 300ma) dc supply current (idc) vs pout, t=25c 0.25 0.30 0.35 0.40 0.45 0.50 0.55 10.0 15.0 20.0 25.0 30.0 pout (dbm) idc(a) f=2.4ghz f=2.5ghz f=2.7ghz evm vs pout, f=2.4ghz 802.11g, ofdm, 54 mb/s, 64qam 0 1 2 3 4 5 6 5 10152025 pout (dbm) evm (%) t=-40c t=0c t=25c t=70c t=85c evm vs pout, f=2.5ghz 802.11g, ofdm, 54 mb/s, 64qam 0 1 2 3 4 5 6 5 10152025 pout (dbm) evm (%) t=-40c t=0c t=25c t=70c t=85c icq (dc bias point) vs vsupply (v+ and vpc) 0.0 0.1 0.2 0.3 0.4 0.5 3.0 3.2 3.4 3.6 3.8 4.0 4.2 4.4 4.6 4.8 5.0 5.2 5.4 5.6 vsupply (v) icq(a) t=-40c t=25c t=85c
303 south technology court broomfield, co 80021 phone: (800) smi-mmic http://www.sirenza.com 5 eds-103612 rev c sza-2044 2.0-2.7 ghz 5v power amp rf power detector (vdet) vs pout f=2.4ghz 0.8 1.0 1.2 1.4 1.6 1.8 14 16 18 20 22 24 26 28 30 pout (dbm) vdet(v) t=-40c t=25c t=85c performance: 2.3 - 2.7 ghz evaluation board data (v cc = v pc = 5.0v, i q = 300ma) rf power detector (vdet) vs pout f=2.5ghz 0.8 1.0 1.2 1.4 1.6 1.8 2.0 14 16 18 20 22 24 26 28 30 pout (dbm) vdet(v) t=-40c t=25c t=85c rf power detector (vdet) vs pout f=2.7ghz 0.8 1.0 1.2 1.4 1.6 1.8 2.0 14 16 18 20 22 24 26 28 30 pout (dbm) vdet(v) t=-40c t=25c t=85c gain vs pout, t=25c 22 23 24 25 26 27 28 14 16 18 20 22 24 26 28 30 pout (dbm) gain(db) f=2.4ghz f=2.5ghz im3 vs pout (2 tone avg.), t=25c tone spacing=1mhz -70 -60 -50 -40 -30 -20 -10 12 14 16 18 20 22 24 26 28 pout (dbm) im3(dbc) f=2.4ghz f=2.5ghz
303 south technology court broomfield, co 80021 phone: (800) smi-mmic http://www.sirenza.com 6 eds-103612 rev c sza-2044 2.0-2.7 ghz 5v power amp performance: 2.3 - 2.7 ghz evaluation board data (v cc = v pc = 5.0v, i q = 300ma) 802.11b spectral regrowth vs. output power at 2.4 ghz 20 25 30 35 40 45 50 55 60 65 70 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 output power (dbm) (-dbr) adjacent channel (-dbr) alternate channel (-dbr) rbw 100 khz vbw 100 khz swt 1 s a * * sgl att 5 db * * * 1 r m cl rwr * ref 27.6 dbm off set 31.4 db lvl center 2.4 ghz span 66.53384837 mhz 6.653384837 mhz/ ext -70 -60 -50 -40 -30 -20 -10 0 10 20 ch pwr 27.77 dbm acp low -37.71 db acp up -37.27 db alt1 low -51.39 db alt1 up -50.05 db date: 3.a ug.2004 15:48:28 output power spectrum 802.11b 11mbps cck, pout = 27.8dbm at 2.4ghz
303 south technology court broomfield, co 80021 phone: (800) smi-mmic http://www.sirenza.com 7 eds-103612 rev c sza-2044 2.0-2.7 ghz 5v power amp 2.0 - 2.7 ghz evaluation board schematic for v+ = vcc = 5.0v SZA2044 c1 r4 l1 c2 c4 c6 r1 r3 r2 r5 c5 c3 2.0 - 2.7 ghz evaluation board layout for v+ = vcc = 5.0v board material getek, 10mil thick, dk=3.9, 2 oz. copper important note: pins 1,2,4,5,7,9,11,13,15,17,19 are unwired (n/c) inside the package. refer to page 2 for detailed pin descriptions. some of these pins are wired to adja- cent pins or grounded as shown in the application circuit. this is to maintain consistency with the evaluation board lay- out shown below. it is recom- mended to use this layout and wiring to achieve the specified performance. important note: pins 1,2,4,5,7,9,11,13,15,17,19 are unwired (n/c) inside the package. refer to page 2 for detailed pin descriptions. some of these pins are wired to adja- cent pins or grounded as shown in the application circuit. this is to maintain consistency with the evaluation board lay- out shown below. it is recom- mended to use this layout and wiring to achieve the specified performance. note: application circuits are avail- able for 2.1-2.4ghz and 2.5- 2.7ghz bands. only the out- put matching circuit component values change. contact appli- cations engineering.
303 south technology court broomfield, co 80021 phone: (800) smi-mmic http://www.sirenza.com 8 eds-103612 rev c sza-2044 2.0-2.7 ghz 5v power amp package outline drawing (dimensions in mm): lot id SZA2044 part number ordering information part number reel size devices/reel sza-2044 13? 3000 part symbolization the part will be symbolized with an ?sza-2044? mark- ing designator on the top surface of the package. recommended land pattern (dimensions in mm[in]): recommended pcb soldermask (smboc) for land pattern (dimensions in mm[in]):
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