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1 of 13 optimum technology matching? applied gaas hbt ingap hbt gaas mesfet sige bicmos si bicmos sige hbt gaas phemt si cmos si bjt gan hemt functional block diagram rf micro devices?, rfmd?, optimum technology matching?, enabling wireless connectivity?, powerstar?, polaris? total radio? and ultimateblue? are trademarks of rfmd, llc. bluetooth is a trade- mark owned by bluetooth sig, inc., u.s.a. and licensed for use by rfmd. all other trade names, trademarks and registered tradem arks are the property of their respective owners. ?2011, rf micro devices, inc. product description 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or customerservice@rfmd.com . ordering information bifet hbt ldmos ? vcc_amp1 gnd gnd gnd gnd vcc_spi gnd gnd spi_clk spi_data spi_le gnd dsa amp1 6-bit spi 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 1 2 3 4 5 6 7 gnd vcc_amp2 gnd gnd gnd gnd gnd gnd rf_out gnd gnd nc gnd gnd rf_in pup amp2 rfda0026 digital controlled variable gain amplifier 700mhz to 1035mhz, 6-bit 0.5db lsb control rfmd's rfda0026 is a digital controlled variable gain amplifier featuring high linearity over the entire gain co ntrol range with noise figure less than 4.1db in its maximum gain state. the ga in of the 6-bit digital step attenua- tor is programmed with a serial mode control interface (spi). the rfda0026 is packaged in a small 6.0mmx6.0mm leadless laminate mcm, which contains plated through thermal vias for ultra low thermal resistance. this module is easy to use with no external matching compo- nents required. features ? frequency range 700mhz to 1035mhz ? full internal matching and no external bias inductors ? 6-bit digital step attenuator ? spi serial control programming ? max gain=32db at 900mhz ? gain control range=31.5db (0.5db step size) ? high oip3/p1db=+40/23dbm ? single +5v supply ? small 28-pin, 6.0mmx6.0mm, mcm ? power-up programming applications ? cellular, 3g infrastructure ? wibro, wimax, lte ? microwave radio ? high linearity power control ds120803 ? ? ? package style: mcm 28-pin, 6.0mmx6.0mm rfda0026dig- ital controlled variable gain amplifier rfda0026sq sample bag with 25 pieces rfda0026sr 7" sample reel with 100 pieces rfda0026tr7 7? reel with 750 pieces rfda0026tr13 13? reel with 2500 pieces RFDA0026PCK-410 800mhz to 1035mhz pcba with 5-piece sample bag rfda0026pck-411 650mhz to 850mhz pcba with 5-piece sample bag
2 of 13 rfda0026 ds120803 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or customerservice@rfmd.com . typical rf performance at key operating frequencies absolute maximum ratings parameter rating unit supply voltage (v cc , v dd )5.5v dc supply current 300 ma power dissipation (p diss )1500mw max rf input power 12 dbm operating temperature (t case )-40 to +85c storage temperature -40 to +150 c junction temperature (t j ) 170 c human body model 1000 (class 1c) v moisture sensitivity level msl 3 note: mttf=1.7e6 hours at 170c junction temperature. parameter specification unit condition min. typ. max. overall temp=25c, v cc =v dd =5v, standard applica- tion circuit frequency range 700 1035 mhz max gain 32 db attenuation = 0db gain control range 31.5 db step accuracy (0.1 +5% attenuation setting) db major state error up to 1035mhz p1db 23.8 dbm attenuation = 0db output ip3 40 dbm p out =5dbm/tone, 1mhz spacing control interface 6 bit spi interface settling time 250 ns ton, toff (10%/90% rf) noise figure 4.1 db attenuation = 0db impedance 50 ? input return loss -15 db output return loss -11 db total supply voltage 4.75 5.0 5.25 v supply current 192 ma from v cc _spi, v cc _amp1 and v cc _amp2 thermal resistance 46.2 c/w junct ion to backside of device parameter unit 700mhz 2 850mhz 900mhz 970mhz 1040mhz max small signal gain db 34.1 33.4 33.2 33.0 32.5 output p1db dbm 24.0 23.8 23.8 23.7 23.7 output ip3 1 dbm 40.7 39.4 40.2 41.1 41.6 input return loss db -13.2 -15.7 -17.1 -18.6 -19.8 output return loss db -12 -10.1 -10.3 -10.2 -10.1 noise figure db 4.0 4.0 4.1 4.0 4.1 notes: 1. oip3 is tested at p out =+5dbm/tone and 1 mhz spacing 2. based on 650mhz to 850mhz application circuit caution! esd sensitive device. exceeding any one or a combination of the absolute maximum rating conditions may cause permanent damage to the device. ex tended application of absolute maximum rating conditions to the device may reduce device reliability. specified typical perfor- mance or functional operation of the devi ce under absolute maximum rating condi- tions is not implied. the information in this publication is believed to be accurate and reliable. however, no responsibility is assumed by rf micro devices, inc. ("rfmd") for its use, nor for any infringement of patents, or other rights of third parties, resulting from its use. no license is granted by implication or otherwise under any patent or patent rights of rfmd. rfmd reserves the right to change component circuitry, recommended appli- cation circuitry and specifications at any time without prior notice. rohs (restriction of hazardous subs tances): compliant per eu directive 2002/95/ec.
3 of 13 rfda0026 ds120803 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or customerservice@rfmd.com . typical performance - 800mhz to 1035 mhz broadband application circuit -30 -10 10 30 50 0.80 0.85 0.90 0.95 1.00 1.05 gain (db) frequency (ghz) gain, major states, 25c 0db 0.5db 1db 2db 4db 8db 16db 31.5db -10.0 0.0 10.0 20.0 30.0 40.0 50.0 0.0 1.0 2.0 3.0 4.0 gain (db) frequency (ghz) gain over temperature, max. gain +25c -40c +85c -40 -30 -20 -10 0 0.80 0.85 0.90 0.95 1.00 1.05 input return loss (db) frequency (ghz) input return loss, major states, 25c 0db 0.5db 1db 2db 4db 8db 16db 31.5db -30.0 -25.0 -20.0 -15.0 -10.0 -5.0 0.0 0.0 1.0 2.0 3.0 4.0 input return loss (db) frequency (ghz) input return loss over temperature, max. gain +25c -40c +85c -30.0 -25.0 -20.0 -15.0 -10.0 -5.0 0.0 5.0 0.0 1.0 2.0 3.0 4.0 output return loss (db) frequency (ghz) output return loss over temperature, max gain +25c -40c +85c -40 -30 -20 -10 0 0.8 0.85 0.9 0.95 1 1.05 return loss (db) frequency (ghz) output return loss, major states, 25c 0db 0.5db 1db 2db 4db 8db 16db 31.5db
4 of 13 rfda0026 ds120803 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or customerservice@rfmd.com . typical performance - 800mhz to 1035 mhz broadband application circuit -80 -60 -40 -20 0 0.80 0.85 0.90 0.95 1.00 1.05 isolation (db) frequency (ghz) isolation, major states, 25c 0db 0.5db 1db 2db 4db 8db 16db 31.5db -90.0 -80.0 -70.0 -60.0 -50.0 -40.0 -30.0 -20.0 -10.0 0.0 0.0 1.0 2.0 3.0 4.0 isolation (db) frequency (ghz) isolation over temperature, max gain +25c -40c +85c -2.0 -1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 2.0 0.80 0.85 0.90 0.95 1.00 1.05 bit error (db) frequency (ghz) bit error, major states, 25c 0.5db 1db 2db 4db 8db 16db 31.5db -0.6 -0.4 -0.2 0.0 0.2 0.4 0.6 0.80 0.85 0.90 0.95 1.00 1.05 step error (db) frequency(ghz) worst case successive step error, major states, 25 e c pos neg -1.0 -0.8 -0.6 -0.4 -0.2 0.0 0.2 0.4 0.6 0.8 1.0 0 4 8 1216202428 bit error (db) attenuation (db) bit error versus attenuation at 950mhz -30 -20 -10 0 10 20 30 0.80 0.85 0.90 0.95 1.00 1.05 relative phase (deg) frequency (ghz) relative phase, major states, 25c 0.5db 1db 2db 4db 8db 16db 31.5db
5 of 13 rfda0026 ds120803 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or customerservice@rfmd.com . typical performance - 800mhz to 1035mhz broadband application circuit 30 32 34 36 38 40 42 44 0.8 0.83 0.86 0.89 0.92 0.95 0.98 1.01 1.04 oip3 (dbm) frequency (ghz) oip3 over temperature, max gain +25c -40c +85c 30 32 34 36 38 40 42 44 0.80 0.83 0.86 0.89 0.92 0.95 0.98 1.01 1.04 oip3 (dbm) frequency (ghz) oip3 versus frequency, major steps, 25 e c 0db 0.5db 1db 2db 4db 8db 15.5db 16db 22.0 22.5 23.0 23.5 24.0 24.5 25.0 0.80 0.83 0.86 0.89 0.92 0.95 0.98 1.01 1.04 p1db (dbm) frequency (ghz) p1db over temperature, max gain +25c -40c +85c 1 2 3 4 5 0.80 0.86 0.92 0.98 1.04 noise figure (db) frequency (ghz) noise figure versus frequency over temperature +25c -40c +85c
6 of 13 rfda0026 ds120803 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or customerservice@rfmd.com . typical performance - 650mhz to 85 0mhz broadband application circuit 0 5 10 15 20 25 30 35 40 0.65 0.70 0.75 0.80 0.85 gain (db) frequency (ghz) gain, major states, 25c 0db 0.5db 1db 2db 4db 8db 16db 31.5db -80 -60 -40 -20 0 0.65 0.70 0.75 0.80 0.85 isolation (db) frequency (ghz) isolation, major states, 25c 0db 0.5db 1db 2db 4db 8db 16db 31.5db -30 -25 -20 -15 -10 -5 0 0.65 0.70 0.75 0.80 0.85 input return loss (db) frequency (ghz) input return loss, major states, 25c 0db 0.5db 1db 2db 4db 8db 16db 31.5db -30 -25 -20 -15 -10 -5 0 0.65 0.70 0.75 0.80 0.85 output return loss (db) frequency (ghz) output return loss, major states, 25c 0db 0.5db 1db 2db 4db 8db 16db 31.5db 30 32 34 36 38 40 42 44 0.70 0.75 0.80 0.85 0.90 0.95 1.00 oip3 (dbm) frequency (ghz) oip3 over temperature, max. gain, 5dbm/tone +25c -40c +85c 22.0 22.5 23.0 23.5 24.0 24.5 25.0 0.70 0.75 0.80 0.85 0.90 0.95 1.00 p1db (dbm) frequency(ghz) p1db over temperature, max gain +25c -40c +85c
7 of 13 rfda0026 ds120803 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or customerservice@rfmd.com . truth table serial port interface control bit gain relative to maximum gain d5 d4 d3 d2 d1 d0 111111 0db 111110 -0.5db 111101 -1db 111011 -2db 110111 -4db 101111 -8db 011111 -16db 000000 -31.5db clk data t6 le t1 t2 t3 t4 t5 t7 t8 dout t9 spi timing diagram t10 programming example ? 6-bit msb lsb d4 d3 d2 d0 d1 d5 clk data le
8 of 13 rfda0026 ds120803 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or customerservice@rfmd.com . specifications ? spi timing diagram parameter limit unit comment t1 25 mhz max clk frequency t2 20 ns min clk high t3 20 ns min clk low t4 5 ns min data to clk setup time t5 5 ns min data to clk hold time t6 30 ns min data valid t7 5 ns min le to clk setup time t8 5 ns min clk to le setup time t9 10 ns min le pulse width t10 20 ns max output set logic voltage table power-up programming truth table state logic pup attenuator setting low 0v to 0.8v low attenuation at min, 0db high 2.0 to 5.0v high attenuation at max, 31.5db
9 of 13 rfda0026 ds120803 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or customerservice@rfmd.com . pin names and description pin function description 1spi_le serial latch enable input 2spi_data serial data input 3spi_clk serial clock input 4pup power-up programming pin 5gnd rf/dc ground connection 6rf_in rf input 7gnd rf/dc ground connection 8 vcc_amp1 supply voltage for amplifier 1 9gnd rf/dc ground connection 10 gnd rf/dc ground connection 11 gnd rf/dc ground connection 12 gnd rf/dc ground connection 13 gnd rf/dc ground connection 14 vcc_amp2 supply voltage for amplifier 2 15 gnd rf/dc ground connection 16 rf_out rf output 17 gnd rf/dc ground connection 18 gnd rf/dc ground connection 19 gnd rf/dc ground connection 20 gnd rf/dc ground connection 21 gnd rf/dc ground connection 22 nc do not connect, leave open circuit 23 gnd rf/dc ground connection 24 gnd rf/dc ground connection 25 gnd rf/dc ground connection 26 gnd rf/dc ground connection 27 gnd rf/dc ground connection 28 vcc_spi supply voltage for spi and dsa chip
10 of 13 rfda0026 ds120803 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or customerservice@rfmd.com . evaluation board schematic 800mhz to 1035mhz application circuit evaluation board build of materials (bom) 800mhz to 1035mhz application circuit description reference designator manufacturer manufacturer's p/n rfda0026, 6 x 6sq. mm, 28-pin laminate u1 rfmd rfda0026sb rfda2026-411(b) viasysytems rfda2026-411(b) conn, sma, end lnch, flt, 0.062" j1-j2 emerson network power 142-0701-821 conn, hdr, st, plrzd, 6-pin, 0.100" p1 amp 640454-6 conn, skt, 24-pin dip, .600", t/h p2 aries electronics, inc. 24-6518-10 cap, 1 ? f, 10%, 10v, x5r, 0402 c1, c6, c11 murata electronics grm155r61a105ke15d cap, 68pf, 5%, 50v, c0g, 0402 c7-c8 murata electronics grm1555c1h680jz01d res, 1k, 5%, 1/16w, 0603 r2 panasonic industrial co. erj-3geyj102 res array, 4-elem, 1k, 5%, smd 4 x 00402 rn1 koa cn1e4kttd102j res, 0 ? , 0603 r1, r3, r5 koa speer electronics, inc. rk73z1jltd dnp c2, c5, c10 n/a n/a dnp c3-c4, c9, c12 n/a n/a dnp r4, r6 n/a n/a dnp l1 n/a n/a + c9 dnp c10 dnp c11 1uf 1 2 3 4 5 8 6 7 rn1 1000 ohm r2 1k 1 2 j2 rfout c8 68pf c7 68pf 1 2 j1 rfin r1 0 ohm 1 2 3 4 5 6 p1 hdr_1x6 c1 1uf c2 dnp + c3 dnp + c4 dnp c5 dnp c6 1uf pup clk data le vcc vcc vcc vcc le data clk vcc spi_le 1 spi_data 2 spi_clk 3 pup 4 gnd 5 rfin 6 gnd 7 vamp1 8 gnd 9 gnd 10 gnd 11 gnd 12 gnd 13 vamp2 14 gnd 15 rfout 16 gnd 17 gnd 18 gnd 19 gnd 20 gnd 21 nc 22 gnd 23 gnd 24 gnd 25 gnd 26 gnd 27 dsa_vcc 28 gnd 29 u1 rfda0026 pup r3 0 ohm r5 0 ohm r4 dnp c12 dnp l1 dnp cb2 12 txd 1 dtr# 2 rts# 3 vio 4 rxd 5 ri# 6 gnd 7 dsr# 8 dcd# 9 cts# 10 cb4 11 gnd 24 sld 13 usb 14 vcc 15 pu2 16 pu1 17 cb3 18 3v3 19 rst 20 vcc 21 cb1 22 cb0 23 c b2 txd d tr # r t s # v i o rxd r i # g nd ds r # dc d# c t s # c b4 g n d s ld us b vcc p u2 p u 1 c b 3 3 v 3 r s t vcc c b 1 c b 0 p2 um232r pup clk data le r6 dnp
11 of 13 rfda0026 ds120803 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or customerservice@rfmd.com . evaluation board schematic 650mhz to 850mhz application circuit evaluation board build of materials (bom) 650mhz to 850mhz application circuit description reference designator manufacturer manufacturer's p/n rfda0026, 6 x 6sq.mm, 28-pin laminate u1 rfmd rfda0026sb rfda2026-411(b) viasysytems rfda2026-411(b) conn, sma, end lnch, flt, 0.062" j1-j2 emerson network power 142-0701-821 conn, hdr, st, plrzd, 6-pin, 0.100" p1 amp 640454-6 conn, skt, 24-pin dip, .600", t/h p2 aries electronics, inc. 24-6518-10 cap, 1 ? f, 10%, 10v, x5r, 0402 c1, c6, c11 murata electronics grm155r61a105ke15d cap, 68pf, 5%, 50v, c0g, 0402 c7-c8 murata electronics grm1555c1h680jz01d res, 1k, 5%, 1/16w, 0603 r2 panasonic industrial co. erj-3geyj102 res array, 4-elem, 1k, 5%, smd 4 x 00402 rn1 koa cn1e4kttd102j cap, 3pf, +/-0.1pf, 250v, hi-q, 0603 l1 murata electronics gqm1875c2e3r0bb12d res, 0 ? , 0603 r1, r3, r5 koa speer electronics, inc. rk73z1jltd dnp c2, c5, c10 n/a n/a dnp c3-c4, c9, c12 n/a n/a dnp r4, r6 n/a n/a + c9 dnp c10 dnp c11 1uf 1 2 3 4 5 8 6 7 rn1 1000 ohm r2 1k 1 2 j2 rfout c8 68pf c7 68pf 1 2 j1 rfin r1 0 ohm 1 2 3 4 5 6 p1 hdr_1x6 c1 1uf c2 dnp + c3 dnp + c4 dnp c5 dnp c6 1uf pup clk data le vcc vcc vcc vcc le data clk vcc spi_le 1 spi_data 2 spi_clk 3 pup 4 gnd 5 rfin 6 gnd 7 vamp1 8 gnd 9 gnd 10 gnd 11 gnd 12 gnd 13 vamp2 14 gnd 15 rfout 16 gnd 17 gnd 18 gnd 19 gnd 20 gnd 21 nc 22 gnd 23 gnd 24 gnd 25 gnd 26 gnd 27 dsa_vcc 28 gnd 29 u1 rfda0026 pup r3 0 ohm r5 0 ohm r4 dnp c12 dnp l1 3pf cb2 12 txd 1 dtr# 2 rts# 3 vio 4 rxd 5 ri# 6 gnd 7 dsr# 8 dcd# 9 cts# 10 cb4 11 gnd 24 sld 13 usb 14 vcc 15 pu2 16 pu1 17 cb3 18 3v3 19 rst 20 vcc 21 cb1 22 cb0 23 c b2 txd d tr # r t s # v i o rxd r i # g nd ds r # dc d# c t s # c b4 g n d s ld us b vcc p u2 p u 1 c b 3 3 v 3 r s t vcc c b 1 c b 0 p2 um232r pup clk data le r6 dnp
12 of 13 rfda0026 ds120803 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or customerservice@rfmd.com . evaluation board assembly drawing
13 of 13 rfda0026 ds120803 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or customerservice@rfmd.com . package drawing 6.0mmx6.0mm laminate module the module thickness tolerance is: +/- .04mm. all othe r dim tolerances are +/- .075mm unless otherwise noted. branding diagram da0026 yyww trace code pin 1 indicator fill in the yyww notation with the date code yy = year ww = week trace code to be assigned by subcon

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