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rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds 15062 6 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@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 respective owners. ?2013, rf micro d evices, inc. 1 of 12 r f sa2534 50mhz to 4000mhz, digital step attenuator rfmds rf sa2534 is a 5 - bit digital step attenuator (dsa) that features high linearity over the entire 15.5db gain control range with 0.5db steps. the rfsa2534 uses serial control interface. it has a low insertion loss of 1.3 db at 2ghz. patent pending circuit architecture provides overshoot - free transient switching performance the rfsa2534 is available in a 4.2mm x 4.2mm laminate package that is footprint compatible with a 4mm x 4mm qfn 24 lead package. functional block diagram ordering information rf sa2534 sq sample b ag with 25 pieces rf sa2534 sr 7" reel with 100 pieces rf sa2534 tr13 13" reel with 2500 pieces rf sa2534 pck - 410 50mhz to 4000mhz pcba with 5 - piece sample bag package: qfn, 24 - pin, 4.2mm x 4.2 mm x 0.95mm features 5 - bit, 15.5db range, 0.5db step frequency range 50mhz to 4000mhz overshoot - free transient switching performance high linearity, input ip3 = 55dbm ins ertion loss = 1.3 db at 2ghz serial control interface fast switching speed = 20 0 ns single supply 3v to 5v operation applications 2g through 4g base stations point - to - point wimax/wifi test equipment rfsa2534 n / c n / c r f o u t s p i r f i n n / c d / c n / c c l k l e s i n / c v d d n / c n / c d / c n / c n / c n / c g n d g n d g n d g n d g n d g n d
rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds 15062 6 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@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 respective owners. ?2013, rf micro d evices, inc. 2 of 12 absolute maximum rat ings parameter rating unit supply voltage (v dd ) - 0.5 to +6.0 v all other dc and logic pins - 0.5 to +6.0 v maximum input power at rfin pins +30 dbm maximum input power at rfout pins +27 dbm storage temperature range - 40 to +150 c esd rating - human body model (hbm) 1000 v moisture sensitivity level msl 3 recommended operating condition parameter specification unit min typ max operating temperature range (rf input power handling derates above 85 c - 40 + 105 c operating junction temperature 125 c supply voltage 1 2.7 5.5 v note 1 : device performance is constant over this range, ldo on chip caution! esd sensitive device. rfmd green: rohs status based on eu directive 2011/65/eu (at time of this document revision) , halogen free per iec 61249 - 2 - 21, < 1000ppm each of antimony trioxide in polymeric materials and red phosphorus as a flame retardant, and <2% antimony in solder. 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 performance or functional operation of the device under absolute maximum rating conditions is not implied. nominal operating parameters parameter specification unit condition min typ max general performance supply current 230 a steady state operation, current draw during attenuation state transitions is higher thermal resistance 78 c/w rf input power at rfin pin 27 dbm continuous operation at +85 c case temperature rf performance frequency range 50 4000 mhz insertion loss 1.3 db 2000mhz, 0db attenuation attenuation range 15.5 db 0.5db step size absolute attenuation error (0. 2 + 4 % ) db input ip3 52 dbm input p 0. 1db 30 dbm return loss 15 db 50 mhz to 4000mhz, rfin and rfout pins, all attenuation states return loss 18 db 700 mhz to 23 00mhz, rf i n and rfout pins, all attenuation states return loss 22 23 00 mhz to 2700mhz, rfin and rfout pins, all attenuation states input and output impedance 50 ?
rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds 15062 6 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@rfmd.com . the information in this publication is believed to be accurate. however, no responsibility is assumed by rf micro devices, inc. ("rfmd") for its use, nor for any infringement of p atents 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 application circuitry and specifications at any time without prior notice. 3 of 12 rf sa2534 parameter specification unit condition min typ max switching speed 200 nsec 50% control to 10% / 90% rf successive step phase delta 3 deg 2000mhz control digital logic low 0.8 v digital logic high 2.0 vdd v note: typical performance at these conditions: temp = +25c, 2000mhz, 5v supply voltage
rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds 15062 6 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@rfmd.com . the information in this publication is believed to be accurate. however, no responsibility is assumed by rf micro devices, inc. ("rfmd") for its use, nor for any infringement of p atents 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 application circuitry and specifications at any time without prior notice. 4 of 12 rf sa2534 typical performance: t = 25c, v dd = 5v unless otherwise noted
rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds 15062 6 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@rfmd.com . the information in this publication is believed to be accurate. however, no responsibility is assumed by rf micro devices, inc. ("rfmd") for its use, nor for any infringement of p atents 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 application circuitry and specifications at any time without prior notice. 5 of 12 rf sa2534 typical performance: t = 25c, v dd = 5v unless otherwise noted
rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds 15062 6 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@rfmd.com . the information in this publication is believed to be accurate. however, no responsibility is assumed by rf micro devices, inc. ("rfmd") for its use, nor for any infringement of p atents 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 application circuitry and specifications at any time without prior notice. 6 of 12 rf sa2534 evaluation board schematic 50mhz to 4000mhz application circuit evaluation board bill of materials (bom) 50mhz to 4 000mhz application circuit description reference designator manufacturer manufacturer's p/n evaluation board performance micro international pt rfsa2534 - 410( b ) rfsa2534 module u1 rfmd rfsa2534 cap, 100pf, 5%, 50v, c0g, 0402 c1 - c2 taiyo yuden (usa), inc. rm umk105 cg101jv - f cap, 10000pf, 10%, 16v, x7r, 0402 c3 taiyo yuden (usa), inc. rm emk105 bj103kv - f conn, sma, end lnch, univ, hyb mnt, flt j1 - j2 heilind electronics per mat - 21 - 1038 conn, hdr, st, plrzd, 5 - pin, 0.100 p1 amp 640454 - 5 conn, skt, 24 - pin dip, 0.600, t/h p2 aries electronics inc. 24 - 6518 - 10
rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds 15062 6 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@rfmd.com . the information in this publication is believed to be accurate. however, no responsibility is assumed by rf micro devices, inc. ("rfmd") for its use, nor for any infringement of p atents 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 application circuitry and specifications at any time without prior notice. 7 of 12 rf sa2534 evaluation board assembly drawing 50mhz to 4 000mhz application circuit
rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds 15062 6 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@rfmd.com . the information in this publication is believed to be accurate. however, no responsibility is assumed by rf micro devices, inc. ("rfmd") for its use, nor for any infringement of p atents 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 application circuitry and specifications at any time without prior notice. 8 of 12 rf sa2534 serial attenuation word truth table attenuation word attenuation state d0.5 d1 d2 d4 d8 h h h h h 0db / reference insertion loss l h h h h 0.5db h l h h h 1db h h l h h 2db h h h l h 4db h h h h l 8db l l l l l 15.5db max attenuation timing diagram l s b m s b d 1 d 2 d 4 d 8 d 0 . 5 c l k d a t a l e
rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds 15062 6 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@rfmd.com . the information in this publication is believed to be accurate. however, no responsibility is assumed by rf micro devices, inc. ("rfmd") for its use, nor for any infringement of p atents 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 application circuitry and specifications at any time without prior notice. 9 of 12 rf sa2534 timing specifications 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 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 c l k d a t a t 6 l e t 1 t 2 t 3 t 4 t 5 t 7 t 8 d o u t t 9 t 1 0
rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds 15062 6 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@rfmd.com . the information in this publication is believed to be accurate. however, no responsibility is assumed by rf micro devices, inc. ("rfmd") for its use, nor for any infringement of p atents 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 application circuitry and specifications at any time without prior notice. 10 of 12 rf sa2534 pin names and descriptions pin name description 1 nc no connect 2 rfin rf input: incident rf power must enter this pin for rated thermal performance and reliability. do not apply dc power to this pin. pin may be dc grounded externally and is grounded thru resistors internal to the part. 3 nc no connect 4 dc dont care: this pin is open inside the package 5 nc no connect 6 nc no connect 7 dc dont care: this pin is open inside the package 8 clk serial clock input 9 le lat ch enable: the leading edge of signal on le causes the attenuator to change state 10 nc no connect 11 si serial data input 12 nc no connect 13 nc no connect 14 vdd supply for dsa and logic circuitry 15 nc no connect 16 nc no connect 17 rfout rf output: incident rf power must enter this pin for rated thermal performance and reliability. do not apply dc power to this pin. pin may be dc grounded externally and is grounded thru resistors internal to the part. 18 nc no connect 19 gnd ground this pin on the pcb 20 gnd ground this pin on the pcb 21 gnd ground this pin on the pcb 22 gnd ground this pin on the pcb 23 gnd ground this pin on the pcb 24 gnd ground this pin on the pcb
rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds 15062 6 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@rfmd.com . the information in this publication is believed to be accurate. however, no responsibility is assumed by rf micro devices, inc. ("rfmd") for its use, nor for any infringement of p atents 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 application circuitry and specifications at any time without prior notice. 11 of 12 rf sa2534 package outline and branding drawing (dimensions in millimeters)
rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds 15062 6 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@rfmd.com . the information in this publication is believed to be accurate. however, no responsibility is assumed by rf micro devices, inc. ("rfmd") for its use, nor for any infringement of p atents 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 application circuitry and specifications at any time without prior notice. 12 of 12 rf sa2534 branding diagram

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