1 of 10 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. ?2012, 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 . bifet hbt soi ? z e amp1 amp2 1 2 3 4 5 6 7 15 16 17 18 19 20 21 spi_le spi_data spi_clk pup gnd rf_in gnd 8 9 11 12 10 13 14 23 22 24 25 26 27 28 vcc_amp1 gnd gnd gnd gnd vcc_amp2 gnd gnd rf_out gnd gnd gnd gnd gnd nc gnd gnd gnd gnd gnd vcc_spi dsa spi_ control rfda0056 digital controlled variable gain amplifier 300mhz to 1100mhz, 6-bit 0.5db lsb control rfmd's rfda0056 is a digital controlled va riable gain amplifier featuring high lin- earity over the entire gain control range. the gain of th e 6-bit digital step attenuator is programmed with a serial mode control interface (spi). the rfda0056 is pack- aged in a small 6.0mm x 6.0mm leadless laminate mcm, which contains plated through thermal vias for ultra-low thermal resistance. this module is easy to use with no external matching components required. features ? frequency range 300mhz to 1100mhz ? full internal matching and no external bias inductors ? 6-bit digital step attenuator ? spi serial control programming ? gain control range = 31.5db (0.5db step size) ? high oip3/p1db = +44/25dbm typical at 450mhz ? single +5v supply ? small 28-pin, 6.0mm x 6.0mm, mcm ? power-up programming applications ? cellular, 3g infrastructure ? wibro, wimax, lte ? microwave radio ? high linearity power control ds120926 ? ? ? package: mcm 28-pin, 6.0mm x 6.0mm rfda0056dig- ital controlled variable gain amplifier 300mhz to 1100mhz, 6- bit 0.5db lsb control rfda0056sq sample bag with 25 pieces rfda0056sr 7? reel with 100 pieces rfda0056r7 7? reel with 750 pieces RFDA0056R13 13? reel with 2500 pieces rfda0056pck-410 300mhz to 1100mhz pcba with 5-piece sample bag ordering information
2 of 10 rfda0056 ds120926 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or customerservice@rfmd.com . nominal operating parameters absolute maximum ratings parameter rating unit supply voltage 5.5 v dc supply current 330 ma power dissipation 1600 mw max rf input power for 50 ? output load 12 dbm operating temperature (t case )-40 to +85c storage temperature -40 to +150 c junction temperature +172 c esd rating (hbm) 500 (class 1b) v moisture sensitivity level msl 3 parameter specification unit condition min. typ. max. overall temp = 25c, v cc = v dd = 5v, standard appli- cation circuit frequency range 300 1100 mhz max gain 36 db attenuation = 0db, at 450mhz gain control range 31.5 db step accuracy (0.15 +5% attenuation setting) db major state error up to 1100mhz p1db 25 dbm attenuation = 0db, at 450mhz output ip3 44 dbm p out = 5dbm/tone, 1mhz spacing at 450mhz control interface 6 bit spi interface settling time 250 ns ton, toff (10%/90% rf) noise figure 4.2 db attenuation = 0db impedance 50 ? input return loss 18 db at 450mhz output return loss 14.9 db total supply voltage 4.75 5.0 5.25 v supply current 207 215 245 ma from v cc (spi), v cc (amp1), and v cc (amp2) thermal resistance 73 c/w typical rf performance at key operating frequencies parameter unit 350mhz 450mhz 550mhz 700mhz 850mhz 900mhz 950mhz 1050mhz max small signal gain db 37.1 36.8 36.3 35.2 34.1 33.7 33.3 32.6 output p1db dbm 25.1 25 24.3 24.5 24.3 24.4 24.5 24.4 output ip3* dbm 44.2 44.1 41.4 41.3 41.6 41.6 41.9 42 input return loss db 22.3 18 16 14.9 16 17.1 17.9 18.3 output return loss db 9.8 14.4 27 17.8 14.2 14.3 15 17.2 *note: oip3 is tested at p out = 5dbm/tone and 1mhz spacing 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. rfmd green: rohs compliant per eu directive 2002/95/ec, halogen free per iec 61249-2-21, < 1000ppm each of antimony trioxide in polymeric materials and red phosphorus as a fl ame retardant, and <2% antimony in solder.
3 of 10 rfda0056 ds120926 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 - 300mhz to 1100mhz broadband application circuit -5 0 5 10 15 20 25 30 35 40 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 gain (db) frequency (ghz) gain versus frequency 0db 0.5db 1db 2db 4db 8db 16db 31.5db 28 30 32 34 36 38 40 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 gain (db) frequency (ghz) max gain versus frequency 25 ( 85 ( -40 ( -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 0 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 input return loss (db) frequency (ghz) input return loss versus frequency 0db 0.5db 1db 2db 4db 8db 16db 31.5db -25 -20 -15 -10 -5 0 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 input return loss (db) frequency (ghz) input return loss versus frequency 25 ( 85 ( -40 ( -40 -35 -30 -25 -20 -15 -10 -5 0 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 output return loss (db) frequency (ghz) output return loss versus frequency 0db 0.5db 1db 2db 4db 8db 16db 31.5db -40 -35 -30 -25 -20 -15 -10 -5 0 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 output return loss (db) frequency (ghz) output return loss versus frequency 25 ( 85 ( -40 (
4 of 10 rfda0056 ds120926 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 - 300mhz to 11 00mhz broadband application circuit 0 5 10 15 20 25 30 35 40 45 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 phase error (db) frequency (ghz) normalized phase error versus frequency 0db 0.5db 1db 2db 4db 8db 16db 31.5db -0.8 -0.6 -0.4 -0.2 0 0.2 0.4 0.6 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 bit errror (db) frequency (ghz) bit error versus frequency 0db 0.5db 1db 2db 4db 8db 16db 31.5db -35 -30 -25 -20 -15 -10 -5 0 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 attenuation (db) frequency (ghz) normalized attenuation 0db 0.5db 1db 2db 4db 8db 16db 31.5db 23 23.5 24 24.5 25 25.5 0.35 0.50 0.65 0.80 0.95 1.10 p-1 (db) frequency (ghz) p-1 versus frequency 25 ( 85 ( -40 ( 34 36 38 40 42 44 46 48 0.35 0.50 0.65 0.80 0.95 1.10 output ip3 (db) frequency (ghz) output ip3 versus frequency per tone +5dbm 25 ( 85 ( -40 ( 3.5 3.6 3.7 3.8 3.9 4 4.1 4.2 4.3 4.4 4.5 4.6 0.35 0.45 0.55 0.65 0.75 0.85 0.95 1.05 noise figure (db) frequency (ghz) noise figure versus frequency 25 ( 85 (
5 of 10 rfda0056 ds120926 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: spi timing diagram spi timing diagra m specifications control bit gain relative to max 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 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 clk data t6 le t1 t2 t3 t4 t5 t7 t8 dout t9 t10
6 of 10 rfda0056 ds120926 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or customerservice@rfmd.com . programming example - 6-bit control voltage table power-up programming truth table state logic pup attenuator setting low 0v to 0.8v low attenuation at max, 31.5db high 2.0v to 5.0v high attenuation at min, 0db msb lsb d4 d3 d2 d0 d1 d5 clk data le
7 of 10 rfda0056 ds120926 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
8 of 10 rfda0056 ds120926 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: 6.0mm x 6.0mm laminate module evaluation board assembly drawing
9 of 10 rfda0056 ds120926 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 300mhz to 1100mhz application circuit evaluation board bill of materials (bom) 300mhz to 1100mhz application circuit description reference designator manufacturer manufacturer's p/n rfda0056, 6 x 6sq.mm, 28-pin laminate u1 rfmd rfda0056 rfda2026-411(b) viasystems rfda2026-411(b) conn, sma, end lnch, flt, 0.062" j1-j2 emerson network power 142-0701-821 cap, 0.1 f, 10%, 10v, x7r, 0402 c1, c6, c11 murata electronics grm155r71c104ka88d cap, 330pf, 10%, 50v, x7r, 0402 c7-c8 murata electronics grm155r71h331ka01e 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 conn, hdr, st, plrzd, 6-pin, 0.100" p1 itw pancon mpss100-6-c conn, skt, 24-pin dip, .600", t/h p2 aries electronics inc. 24-6518-10 res, 0 ? , 0603 r1, r3, r5 kamaya, inc rmc1/16jptp dnp c2-c5, c9-c10, r4, l1 n/a n/a + c9 dnp c10 dnp c11 0.1uf 1 2 3 4 5 8 6 7 rn1 1000 ohm r2 1k 1 2 j2 rfout c8 330pf c7 330pf 1 2 j1 rfin r1 0 ohm 1 2 3 4 5 6 p1 hdr_1x6 c1 0.1uf c2 dnp + c3 dnp + c4 dnp c5 dnp c6 0.1uf pup clk data le vcc vcc vcc vcc le data clk vcc 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 b 2 txd d tr # r t s # v i o rxd r i # g nd d sr# d cd# c t s # c b4 g n d s ld u s b vcc pu 2 pu 1 cb 3 3v 3 rs t vcc c b 1 cb 0 p2 um232r pup clk data le r6 dnp 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
10 of 10 rfda0056 ds120926 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or customerservice@rfmd.com . branding diagram da 0056 trace code pin 1 indicator trace code to be assigned by subcon
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