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rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds13 1 204 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservic e@rfmd.com . rf micro devices ? and rfmd ? are trademarks of rfmd, llc. bluetooth is a trademark owned by bluetooth sig, inc., u.s.a. and licensed for use by rfmd. all other trade names, trademarks, and registered trademarks are the property of their respe ctive owners. ?2013, rf micro devices, inc. 1 of 14 RFDA2046 digital controlled variable gain amplifier 1800 mhz to 2800mhz the RFDA2046 is a digital controlled variable gain amplifier featuring high linearity over the entire gain control range with noise figure less than 5.2db in its maximum gain state. the gain of the 6 - bit digital step attenuator is programmed with a serial mode control interface (spi). the RFDA2046 is packaged in a small 6.0mm x 6.0mm leadless laminate mcm, which contains plated through thermals vias for ultra - low thermal resistance. this module is easy to use with no external matching components required. functional block diagram ordering information RFDA2046 sq sample b ag with 25 pieces RFDA2046 sr 7" reel with 100 pieces RFDA2046 tr 7 7" reel with 500 pieces RFDA2046 tr13 13" reel with 2500 pieces RFDA2046 pck - 410 1800 mhz to 2800mhz pcba with 5 - piece sample bag package: mcm, 28 - pin, 6.0mm x 6.0mm features frequency range 1800 mhz to 2800mhz full internal matching and no external bias inductors 6 - bit digital step attenuator spi serial control programming max gain = 41db at 2.6ghz gain control range = 31.5db (0.5db step size) high oip3/p1db = +41dbm/ 28dbm single +5v supply small 28 - pin, 6.0mm x 6.0mm, mcm power - up programming applications cellular, 3g, lte i nfrastructure wibro, wimax. lte microwave radio high - linearity power control RFDA2046 a m p 1 a m p 2 1 2 3 4 5 6 7 1 5 1 6 1 7 1 8 1 9 2 0 2 1 s p i _ l e s p i _ d a t a s p i _ c l k p u p g n d r f _ i n g n d 8 9 1 1 1 2 1 0 1 3 1 4 2 3 2 2 2 4 2 5 2 6 2 7 2 8 v c c _ a m p 1 g n d g n d g n d g n d v c c _ a m p 2 g n d g n d r f _ o u t g n d g n d g n d g n d g n d n c g n d g n d g n d g n d g n d v c c _ s p i d s a s p i _ c o n t r o l
rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds13 1 204 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservic e@rfmd.com . rf micro devices ? and rfmd ? are trademarks of rfmd, llc. bluetooth is a trademark owned by bluetooth sig, inc., u.s.a. and licensed for use by rfmd. all other trade names, trademarks, and registered trademarks are the property of their respe ctive owners. ?2013, rf micro devices, inc. 2 of 14 absolute maximum rat ings parameter rating unit supply voltage +5.5 v dc dc supply current 760 ma power dissipation 3200 mw max rf input power for long term operation (50 ? ) - 5 dbm max rf input power for short term operation (50 ? ) +20 dbm operating temperature (t case ) - 40 to +85 c storage temperature - 40 to + 150 c junction temperature +165* c esd rating (hbm) 1000 (class 1 c ) v moisture sensitivity level msl3 *mtt f = 1.0e6 hours at 165 c junction temperature caution! esd sensitive device. rohs (restriction of hazardous substances): compliant per eu directive 2011/65/eu exceeding any one or a combination of the absolute maximum rating conditions may caus e permanent damage to the device. extended application of absolute maximum rating conditions to the device may reduce device reliability. specified typical performance or functional operation of the device under absolute maximum rating conditions is not i mplied. parameter specification unit condition min typ max overall t = 25c, v cc = v dd = 5v , standard application circuit, measured at 2600mhz frequency range 1800 2800 mhz max gain 41 db attenuation = 0db gain control range 31.5 db st ep accuracy +/ - (0.1+5% attenuation setting) db major state error up to 2800mhz p1db 28 dbm attenuation = 0db output ip3 41 dbm p out = 19dbm/tone, 1mhz spacing control interface 6 bit spi interface settling time 250 n s t on , toff (10%/90% rf) no ise figure 5.2 db attenuation = 0db impedance 50 ? input return loss 15 db output return loss 12 db total supply voltage 4.75 5 5.25 v supply current 360 ma from v cc _spi, v cc _amp1 and v cc _amp2 thermal resistance 17.7 c/w junction to backside of device
rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds1 3120 4 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@rfmd.com . the information i n this publication is believed to be accurate. however, no responsibility is assumed by rf micro devices, inc. ("rfmd") for i ts use, nor for any infringement of patents or other rights of third parties resulting from its use. no license is granted by impli cation or otherwise under any patent or patent rights of rfmd. rfmd reserves the right to change component circuitry, recomme nded application circuitry and specifications at any time without prior notice. 3 of 14 RFDA2046 typical rf performance at key operating frequencies parameter unit 1800mhz 2000mhz 2400mhz 2500mhz 2600mhz 2700mhz 2800mhz max small signal gain db 39.5 40 40 40 41 41 41 output p1db dbm 27.4 28 28 28 28 28 27.5 output ip3 (1) db m 38 38 40 41 41 40 39 input return loss db 13 14 15 15 15 15 15 output return loss db 8.2 11 14 14 12 11 8 noise figure db 5.1 5.2 5.2 5.2 5.2 5.2 5.2 note: (1) output ip3 is tested at p out = 19dbm/tone and 1mhz spacing
rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds1 3120 4 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@rfmd.com . the information i n this publication is believed to be accurate. however, no responsibility is assumed by rf micro devices, inc. ("rfmd") for i ts use, nor for any infringement of patents or other rights of third parties resulting from its use. no license is granted by impli cation or otherwise under any patent or patent rights of rfmd. rfmd reserves the right to change component circuitry, recomme nded application circuitry and specifications at any time without prior notice. 4 of 14 RFDA2046 typical performance:
rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds1 3120 4 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@rfmd.com . the information i n this publication is believed to be accurate. however, no responsibility is assumed by rf micro devices, inc. ("rfmd") for i ts use, nor for any infringement of patents or other rights of third parties resulting from its use. no license is granted by impli cation or otherwise under any patent or patent rights of rfmd. rfmd reserves the right to change component circuitry, recomme nded application circuitry and specifications at any time without prior notice. 5 of 14 RFDA2046 typical performance:
rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds1 3120 4 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@rfmd.com . the information i n this publication is believed to be accurate. however, no responsibility is assumed by rf micro devices, inc. ("rfmd") for i ts use, nor for any infringement of patents or other rights of third parties resulting from its use. no license is granted by impli cation or otherwise under any patent or patent rights of rfmd. rfmd reserves the right to change component circuitry, recomme nded application circuitry and specifications at any time without prior notice. 6 of 14 RFDA2046 typical performance:
rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds1 3120 4 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@rfmd.com . the information i n this publication is believed to be accurate. however, no responsibility is assumed by rf micro devices, inc. ("rfmd") for i ts use, nor for any infringement of patents or other rights of third parties resulting from its use. no license is granted by impli cation or otherwise under any patent or patent rights of rfmd. rfmd reserves the right to change component circuitry, recomme nded application circuitry and specifications at any time without prior notice. 7 of 14 RFDA2046 truth table control bit gain relative to maximum gain d5 d4 d3 d2 d1 d0 1 1 1 1 1 1 0db 1 1 1 1 1 0 - 0.5db 1 1 1 1 0 1 - 1db 1 1 1 0 1 1 - 2db 1 1 0 1 1 1 - 4db 1 0 1 1 1 1 - 8db 0 1 1 1 1 1 - 16db 0 0 0 0 0 0 - 31.5db spi timing diagram
rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds1 3120 4 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@rfmd.com . the information i n this publication is believed to be accurate. however, no responsibility is assumed by rf micro devices, inc. ("rfmd") for i ts use, nor for any infringement of patents or other rights of third parties resulting from its use. no license is granted by impli cation or otherwise under any patent or patent rights of rfmd. rfmd reserves the right to change component circuitry, recomme nded application circuitry and specifications at any time without prior notice. 8 of 14 RFDA2046 programming example: 6 - bit spi timing diagram specifications parameter limit unit comment t1 25 mhz max clk frequency t2 20 ns min clk high t3 20 ns min clk low t4 5 n s 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 min output set power - up programming truth table pu p attenuator setting low attenuation at max, 31.5db high attenuation at min, 0db logic voltage levels state logic low 0v to 0.8v high 2.0v to 5.0v
rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds1 3120 4 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@rfmd.com . the information i n this publication is believed to be accurate. however, no responsibility is assumed by rf micro devices, inc. ("rfmd") for i ts use, nor for any infringement of patents or other rights of third parties resulting from its use. no license is granted by impli cation or otherwise under any patent or patent rights of rfmd. rfmd reserves the right to change component circuitry, recomme nded application circuitry and specifications at any time without prior notice. 9 of 14 RFDA2046 evaluation board schematic
rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds1 3120 4 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@rfmd.com . the information i n this publication is believed to be accurate. however, no responsibility is assumed by rf micro devices, inc. ("rfmd") for i ts use, nor for any infringement of patents or other rights of third parties resulting from its use. no license is granted by impli cation or otherwise under any patent or patent rights of rfmd. rfmd reserves the right to change component circuitry, recomme nded application circuitry and specifications at any time without prior notice. 10 of 14 RFDA2046 evaluation board bill of materials (bom) description reference des ignator manufacturer manufacturer's p/n RFDA2046, 6 x 6sq. mm, 28 - pin, laminate u1 rfmd rfmd2046 rfda2026 - 411(b) viasystems 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 p 1 amp 640454 - 6 conn, skt, 24 - pin dip, 0.600, t/h p2 aries electronics inc. 24 - 6518 - 10 cap, 0. 1 f, 10 %, 16 v, x7r , 0402 c1, c6, c11 murata electronics grm1555 r71c104ka88d cap, 1 f, 10%, 10v, x5r, 0402 c2, c5, c10 murata electronics grm155r6 1 a105ke15d re s, 0 ? , 0402 c7 - c8 kamaya, inc. rmc1/16sjpth res, 1k, 5%, 1/16w, 0603 r2 panasonic industrial co. erj - 3geyj102 res array, 4 - elem, 1k, 5%, smd 4 x 00402 rn1 koa speer electronics, inc. cn1e4kttd102j res, 0 ? , 0603 r1, r3, r5 koa speer electronics, inc. rk7 3z1jltd dnp c3 - c4, c9, c12 n/a n/a dnp r4, r6 n/a n/a dnp l1 n/a n/a
rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds1 3120 4 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@rfmd.com . the information i n this publication is believed to be accurate. however, no responsibility is assumed by rf micro devices, inc. ("rfmd") for i ts use, nor for any infringement of patents or other rights of third parties resulting from its use. no license is granted by impli cation or otherwise under any patent or patent rights of rfmd. rfmd reserves the right to change component circuitry, recomme nded application circuitry and specifications at any time without prior notice. 11 of 14 RFDA2046 evaluation board assembly drawing
rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds1 3120 4 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@rfmd.com . the information i n this publication is believed to be accurate. however, no responsibility is assumed by rf micro devices, inc. ("rfmd") for i ts use, nor for any infringement of patents or other rights of third parties resulting from its use. no license is granted by impli cation or otherwise under any patent or patent rights of rfmd. rfmd reserves the right to change component circuitry, recomme nded application circuitry and specifications at any time without prior notice. 12 of 14 RFDA2046 pin names and descriptions pin name description 1 spi_le serial latch enable input 2 spi_data serial data input 3 spi_clk serial clock in put 4 pup power - up programming pin 5 gnd rf/dc ground connection 6 rf_in rf input, with built - in dc block capacitor 7 gnd rf/dc ground connection 8 vcc_amp1 supply voltage for amplifier 1 9 gnd 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, with built - in dc block capacitor 17 gnd rf/dc ground connecti on 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 groun d connection 26 gnd rf/dc ground connection 27 gnd rf/dc ground connection 28 vcc_spi supply voltage for spi and dsa chip
rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds1 3120 4 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@rfmd.com . the information i n this publication is believed to be accurate. however, no responsibility is assumed by rf micro devices, inc. ("rfmd") for i ts use, nor for any infringement of patents or other rights of third parties resulting from its use. no license is granted by impli cation or otherwise under any patent or patent rights of rfmd. rfmd reserves the right to change component circuitry, recomme nded application circuitry and specifications at any time without prior notice. 13 of 14 RFDA2046 package outline drawing (dimensions in millimeters)
rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds1 3120 4 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@rfmd.com . the information i n this publication is believed to be accurate. however, no responsibility is assumed by rf micro devices, inc. ("rfmd") for i ts use, nor for any infringement of patents or other rights of third parties resulting from its use. no license is granted by impli cation or otherwise under any patent or patent rights of rfmd. rfmd reserves the right to change component circuitry, recomme nded application circuitry and specifications at any time without prior notice. 14 of 14 RFDA2046 branding diagram

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