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. ?2006, 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 sales-support@rfmd.com . ordering information rf mems ldmos ? 2 3 4 5 6 1 17 18 19 20 21 22 9 10 11 12 13 14 32 31 30 29 28 27 spi controller gnd rfout1 rfin1 gnd gnd attout n/c gnd 7 8 15 16 23 24 26 25 gnd attin gnd acg1 gnd gnd acg2 acg3 acg4 acg5 acg6 acg7 gnd rfin2 rfout2 gnd nc nc le data clk nc gnd vdd pup 6-bit dsa epad gnd rfda0045 digital controlled variable gain amplifier 10mhz to 850mhz rfmd's rfda0045 is a digital controlled variable gain amplifier (dvga) featuring high linearity over the entire gain control range. the 6-bit digital step attenuator is programmed with serial mode control interface. the rfda0045 is packaged in a 5.2mmx5.2mm leadless laminate mcm with plated through thermal vias for low thermal resistance. the amplifiers? bias chokes and dc blocks are external allowing for optimum performance over specific bands within 10mhz to 850mhz. features ? frequency range 10mhz to 850 mhz ? 6-bit digital step attenuator ? spi serial control program- ming ? max gain = 44db at 150mhz ? gain control range = 31.5db (0.5db step size) ? high oip3 = 42dbm at 150mhz ? high p1db = 20dbm at 150mhz ? single +5v supply ? small 32-pin, 5.2mm x 5.2mm, mcm ? footprint compatible with 5mm x 5mm, 32-pin, qfn ? power-up programming applications ? transceiver if dva ? cellular, pcs, gsm, umts ? wireless data, satellite terminals ds110621 ?? ? package: mcm 32-pin, 5.2mm x 5.2mm rfda0045dig- ital controlled variable gain amplifier rfda0045sq sample bag with 25 pieces rfda0045sr 7? sample reel with 100 pieces rfda0045t7 7? reel with 750 pieces RFDA0045TR13 13? reel with 2500 pieces rfda0045pck-410 10mhz to 850mhz pcba with 5-piece sample bag
2 of 10 rfda0045 ds110621 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . typical rf performance at key operating frequencies absolute maximum ratings parameter rating unit dc supply voltage +5.5 v ds supply current 230 ma power dissipation 1265 mw maximum input rf power 16 dbm operating temperature (t case ) -40 to +85 c storage temperature -40 to +150 c junction temperature 150 c esd rating (hbm) 500 (class 1b) v moisture sensitivity level msl 3 parameter specification unit condition min. typ. max. frequency 10 850 mhz gain - 150mhz (max gain state) 44.5 db attenuation=0db, 150mhz gain - 500mhz (max gain state) 43.0 db attenuation=0db, 500mhz gain - 850mhz (max gain state) 41.5 db attenuation=0db, 850mhz gain control range 31.5 db step accuracy +/- (0.15+5% attenuation setting) db major states, up to 850mhz output p1db 19.5 dbm attenuation = 0db, 50mhz to 850mhz output ip3 - 150mhz 42 dbm p out =0dbm/tone, 1mhz spacing, 150mhz output ip3 - 500mhz 38 dbm p out =0dbm/tone, 1mhz spacing, 500mhz output ip3 - 850mhz 35 dbm p out =0dbm/tone, 1mhz spacing, 850mhz noise figure 2.4 dbm attenuation = 0db input return loss 14.5 db 10mhz to 500mhz, slight degradation elsewhere output return loss 20 db 10mhz to 500mhz, slight degradation elsewhere settling time ns t rise , t fall (10%/90% rf) control interface 6 bit spi interface impedance 50 ? supply voltage 4.75 5.0 5.25 v recommended operating voltage total supply current 155 170 ma sum of v dd , v cc _amp1, v cc _amp2(rf out ) thermal resistance c/w notes: 1. v dd = 5v, logic voltage = 5v, t = 25c. 2. broadband application circuit. parameter unit 50mhz 150mhz 500mhz 850mhz max small signal gain db 44.4 44 42.6 41 output p1db dbm 19.7 20 20 20 output ip3 1 dbm 41 42 40 36 input return loss db 17.5 18 13.6 10.6 output return loss db 27 23 32 12.2 noise figure 2 db 2.3 2.3 2.4 2.4 notes: 1. p out = 0 dbm/tone, 1 mhz spacing. 2. attenuation = 0db caution! esd sensitive device. exceeding any one or a combination of the absolute maximum rating conditions may cause permanent damage to the device. extended application of absolute maximum rating conditions to the device may reduce device reliability. specified typical perfor- mance or functional operation of the device under absolute maximum rating condi- tions is not implied. rohs status based on eudirective2002/95/ec (at time of this document revision). the information in this publication is believed to be accurate and reliable. however, no responsibility is assumed by rf micro device s, 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.
3 of 10 rfda0045 ds110621 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . typical performance: 10mhz to 850mhz broadband application circuit (25c) -40 -35 -30 -25 -20 -15 -10 -5 0 0.05 0.15 0.25 0.35 0.45 0.55 0.65 0.75 0.85 return loss (db) frequency (ghz) input return loss (major states) 0 0.5 1 2 4 8 16 31.5 -40 -35 -30 -25 -20 -15 -10 -5 0 0.05 0.15 0.25 0.35 0.45 0.55 0.65 0.75 0.85 attenuation (db) frequency (ghz) normalized attenuation (major states) 0.5 1 2 4 8 16 31.5 -40 -35 -30 -25 -20 -15 -10 -5 0 0.05 0.15 0.25 0.35 0.45 0.55 0.65 0.75 0.85 return loss (db) frequency (ghz) output return loss (major states) 0 0.5 1 2 4 8 16 31.5 10.0 15.0 20.0 25.0 30.0 35.0 40.0 45.0 50.0 0.05 0.15 0.25 0.35 0.45 0.55 0.65 0.75 0.85 gain (db) frequency (ghz) gain versus frequency (max gain) 25c -40c 85c -0.8 -0.6 -0.4 -0.2 0.0 0.2 0.4 0.6 0.8 0.05 0.15 0.25 0.35 0.45 0.55 0.65 0.75 0.85 step error (db) frequency (ghz) step error (major states) 0.5 1 2 4 8 16 31.5 -20 -15 -10 -5 0 5 10 15 20 0.05 0.15 0.25 0.35 0.45 0.55 0.65 0.75 0.85 relative phase (deg) frequency (ghz) relative phase (major states) 0.5 1 2 4 8 16 31.5
4 of 10 rfda0045 ds110621 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . typical performance: 10mhz to 850mhz broadband application circuit (25c) -0.30 -0.20 -0.10 0.00 0.10 0.20 0.30 0 4 8 12 16 20 24 28 32 error(db) attenuation (db) successive step error versus attenuation at 25 e e c 150mhz 500mhz 850mhz -0.6 -0.4 -0.2 0.0 0.2 0.4 0.6 0.8 0.05 0.15 0.25 0.35 0.45 0.55 0.65 0.75 0.85 error (db) frequency (ghz) worst case successive step error 30.00 32.00 34.00 36.00 38.00 40.00 42.00 44.00 46.00 0.05 0.15 0.25 0.35 0.45 0.55 0.65 0.75 0.85 oip3 (dbm) frequency (ghz) oip3 (major states, 25 c, 0dbm/tone) 0 0.5 1 2 4 8 16 14.00 15.00 16.00 17.00 18.00 19.00 20.00 21.00 22.00 0.05 0.15 0.25 0.35 0.45 0.55 0.65 0.75 0.85 p1db (dbm) frequency (ghz) p1db (major states, 25c) 0 0.5 1 2 4 8 16 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 0.05 0.15 0.25 0.35 0.45 0.55 0.65 0.75 0.85 noise figure (db) frequency (ghz) noise figure versus frequency (max gain) +25c -40c +85c 30 32 34 36 38 40 42 44 -5 -2 1 4 7 10 oip3 (dbm) p (dbm) oip3 versus p (max gain, at 150mhz) 25 c -40 c 85 c out out
5 of 10 rfda0045 ds110621 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . serial port interface spi timing diagra m specifications truth table 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 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 power-up programming truth table logic voltage levels pup attenuator setting state logic high attenuation at min, 0db low 0v to 0.8v low attenuation at max, 31.5db high 2.0v to 5.0v clk data le dout spi timing diagram programming example, 6-bit msb lsb d4 d3 d2 d 0 d1 d5 clk data le
6 of 10 rfda0045 ds110621 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . pin names and descriptions pin # pin name description 1gnd rf/dc ground connection 2rfin1 rf input for amplifier 1 3gnd rf/dc ground connection 4rfout1 rf output/bias for amplifier 1 5gnd rf/dc ground connection 6attin rf input for digital step attenuator 7gnd rf/dc ground connection 8acg1 ac ground * 9gnd rf/dc ground connection 10 acg2 ac ground * 11 acg3 ac ground * 12 acg4 ac ground * 13 acg5 ac ground * 14 gnd rf/dc ground connection 15 acg6 ac ground * 16 gnd rf/dc ground connection 17 acg7 ac ground * 18 gnd rf/dc ground connection 19 attout rf output for digital step attenuator 20 rfin2 rf input for amplifier 2 21 gnd rf/dc ground connection 22 rfout2 rf output/bias for amplifier 2 23 gnd rf/dc ground connection 24 nc no internal connection 25 nc no internal connection 26 pup power-up programming pin 27 vdd supply voltage 28 gnd rf/dc ground connection 29 nc no internal connection 30 clk serial clock 31 data serial data input 32 le latch enable * external capacitors to ground are recommended for frequency op eration below 500mhz and place capacitor as close to pins as po ssible. for operation >500mhz, these pins may be left unconnected.
7 of 10 rfda0045 ds110621 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . evaluation board schematic
8 of 10 rfda0045 ds110621 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . evaluation board build of materials (bom) description reference designator manufacturer manufacturer's p/n evaluation board rfda0045410(a) digital controlled variable gain amplifier u1 rfmd rfda0045sb cap, 100pf, 5%, 50v, c0g, 0402 c1, c7, c10 murata electronics grm1555c1h101jz01d cap, 10000pf, 10%, 16v, x7r, 0402 c2 taiyo yuden (usa), inc. rm emk105bj103kv-f cap, 3300pf, 10%, 50v, x7r, 0402 c3-c6 taiyo yuden (usa), inc. rm umk105bj332kv-f cap, 1000pf, 10%, 50v, x7r, 0402 c8, c11 taiyo yuden (usa), inc. rm umk105bj102kv-f cap, 1uf, 10%, 16v, x7r, 0603 c9, c12 murata electronics grm188r71c105ka12d cap, 330pf, 10%, 50v, x7r, 0402 c13-c16 taiyo yuden (usa), inc. rm umk105bj331kv-f conn, hdr, st, 8-pin, 0.100" p1 samtec inc. tsw-108-07-g-s conn, sma, end lnch, rnd pin, 0.059" j1-j2 gigalane co., ltd. psf-s01-006 ind, 560nh, 10%, w/w, 0805 l1-l2 coilcraft, inc. 0805cs-561xjbc res, 1k, 5%, 1/16w, 0402 r1-r3, r5 kamaya, inc rmc1/16s-102jth res, 0 ? , 0402 r4 kamaya, inc rmc1/16sjpth res, 0 ? , 0603 r7-r8 kamaya, inc rmc1/16jptp dni r6, j3-j4
9 of 10 rfda0045 ds110621 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . evaluation board assembly drawing
10 of 10 rfda0045 ds110621 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . package drawing 5.2mm x 5.2mm laminate module
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