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rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds1 501 2 9 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 devices, in c. 1 of 14 rfsa3413 rf sa3 4 13 5mhz to 6 000mhz, digital step attenuator the rfmds rf sa3 4 13 is a 4 - bit digital step attenuator (dsa) that features high linearity over the entire 15 db gain control range with 1.0 db steps. the rf sa3 4 13 uses parallel control interface . the rf sa3 4 13 has a low insertion loss of 1. 4 db at 2ghz. patent pending circuit architecture provides overshoot - free transient switching performance. the rf sa3 4 13 is available in a 3mm x 3 mm qfn pac kage. functional block diagram ordering information rf sa3 4 13 sq sample b ag with 25 pieces rf sa3 4 13 sr 7" reel with 100 pieces rf sa3 4 13 tr7 7 " reel with 2500 pieces rf sa34 13 pck - 410 5mhz to 6 000m hz pcba with 5 - piece sample bag package: qfn , 16 - pin, 3 .0mm x 3 .0mm x 0.85mm features 4 - bit, 15 db range, 1.0 db step patent pending circuit architecture overshoot - free transient switching performance frequency range 5mhz to 6 000mhz high linearity, iip3 > 55 dbm parallel control interface fast switching speed, < 12 0nsec typical single supply 3v to 5v operation 3v cmos logic compatible rf pins have no dc voltage, can be dc grounded externally applications 2g t hrough 4g base stations point - to - point wimax/wifi test equipme nt rf sa3413 1 6 1 2 3 4 1 5 1 4 1 3 1 2 1 1 1 0 9 5 6 7 8 4 - b i t d s a l o g i c c o n t r o l v d d r f i n n / c n / c n / c n / c n / c n / c n / c r f o u t n / c n / c c 1 c 2 c 4 c 8
rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds1 501 2 9 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@rf md.com . the information in this publication is believed to be accurate. however, no responsibility is assumed by rf micro devices, in c. ("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 applic ation circuitry and specifications at any time without prior notice. 2 of 14 rfsa3413 absolute maximum rat ings parameter rating unit supply voltage (v dd ) - 0.5 to +6.0 v all other dc and logic pins (supply voltage must be applied prior to any other pin voltages) - 0.5 to v dd v maximum input power at rfin pin at 85 c case temperature +30 dbm maximum input power at rfout pin at 85 c case temperature +27 dbm storage temperature range - 40 to +150 c esd rating - human body model (hbm) 1000 v moisture sensitivity level msl1 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. recommended operating condition parameter specification unit min typ max operating temperature range (rf input power handling de - rates above 85 c ) - 40 + 105 c operating junction temperature 125 c supply voltage 2.7 5.5 v nominal operating parameters parameter specification unit condition min typ max general performance supply current 180 a steady state operation, current draw during attenuation state transitions is higher. thermal resistance 55 c/w at maximum attenuation state with rf power applied to the rfin pin. rf input power at rfin pin 27 dbm continuous operation at +85 c case temperature rf input power at rfout pin 20 dbm rf performance frequency range 5 6 000 mhz insertion loss 1. 4 db 2000mhz, 0db attenuation attenuation range 15 db 1.0 db step size absolute attenuation error (0.2 + 4%) db input ip3 55 dbm input p 0 .1db 30 dbm return loss 15 db input and output impedance 50
rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds1 501 2 9 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@rf md.com . the information in this publication is believed to be accurate. however, no responsibility is assumed by rf micro devices, in c. ("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 applic ation circuitry and specifications at any time without prior notice. 3 of 14 rfsa3413 parameter specification unit condition min typ max rf performance C continued switching speed 120 nsec 50% c ontrol to 10%/90% rf successive step phase delta 2 deg 2000mhz control digital logic low - 0. 2 0. 9 v digital logic high 1.6 vdd v note: typical performance at these conditions: temp = + 25 c, 2000mhz, 5v supply voltage
rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds1 501 2 9 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@rf md.com . the information in this publication is believed to be accurate. however, no responsibility is assumed by rf micro devices, in c. ("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 applic ation circuitry and specifications at any time without prior notice. 4 of 14 rfsa3413 typical application schematic
rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds1 501 2 9 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@rf md.com . the information in this publication is believed to be accurate. however, no responsibility is assumed by rf micro devices, in c. ("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 applic ation circuitry and specifications at any time without prior notice. 5 of 14 rfsa3413 typical performance:
rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds1 501 2 9 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@rf md.com . the information in this publication is believed to be accurate. however, no responsibility is assumed by rf micro devices, in c. ("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 applic ation circuitry and specifications at any time without prior notice. 6 of 14 rfsa3413 typical performance: note: attenuator remains monotonic if step error is less than + 1.0 db.
rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds1 501 2 9 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@rf md.com . the information in this publication is believed to be accurate. however, no responsibility is assumed by rf micro devices, in c. ("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 applic ation circuitry and specifications at any time without prior notice. 7 of 14 rfsa3413 typical performance:
rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds1 501 2 9 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@rf md.com . the information in this publication is believed to be accurate. however, no responsibility is assumed by rf micro devices, in c. ("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 applic ation circuitry and specifications at any time without prior notice. 8 of 14 rfsa3413 typical performance:
rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds1 501 2 9 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@rf md.com . the information in this publication is believed to be accurate. however, no responsibility is assumed by rf micro devices, in c. ("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 applic ation circuitry and specifications at any time without prior notice. 9 of 14 rfsa3413 evaluation board schematic
rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds1 501 2 9 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@rf md.com . the information in this publication is believed to be accurate. however, no responsibility is assumed by rf micro devices, in c. ("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 applic ation circuitry and specifications at any time without prior notice. 10 of 14 rfsa3413 evaluation board bill of materials (bom) description reference designator manufacturer manufacturer's p/n rf sa3413 - 410 dynamic details (ddi) toronto rf sa3413 - 410 digital step attenuator 5 mhz to 6000mhz u1 rfmd rfsa3413sb cap, 1 f, 10%, 25v, x7r, 1206 c15 taiyo yuden (usa), inc. ce tmk316bj105kl - t conn, sma, end lnch, univ, hyb mnt, flt j1 - j4 molex sd - 73251 - 4000 conn, hdr, st, plrzd, 2 - pin, 0.100" p3 itw pancon mpss100 - 2 - c conn, skt, 24 - pin dip, 0 .600", t/h p2 aries electronics inc. 24 - 6518 - 10 conn, hdr, st, 9 - pin, 0.100" p1 samtec inc. tsw - 109 - 07 - g - s mod, usb to serial uart, ssop - 28 m1 (see note) future technology devices int'l um232r cap, 470pf, 5%, 50v, c0g, 0402 c10 murata electronics grm1555c1h471ja01d dnp c11 - c14 na na note: m1 should be mounted into p2 with respect to the pin 1 alignment of m1 and p2.
rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds1 501 2 9 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@rf md.com . the information in this publication is believed to be accurate. however, no responsibility is assumed by rf micro devices, in c. ("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 applic ation circuitry and specifications at any time without prior notice. 11 of 14 rfsa3413 evaluation board assembly drawing
rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds1 501 2 9 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@rf md.com . the information in this publication is believed to be accurate. however, no responsibility is assumed by rf micro devices, in c. ("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 applic ation circuitry and specifications at any time without prior notice. 12 of 14 rfsa3413 evaluation board programming using usb interface parallel mode refer to the control bit generator (cbg) software reference manual for detailed instructions on how to setup the software for use. apply the supply voltage to p 3 . select rfsa3 41 3 from the rfmd parts list of the cbg user interface. set the attenuation value using the cbg user interface. the attenuator is set to the desired state and measurements can be taken. eval uation board programming using external bus parallel mode this configuration allows the user to control the attenuator through the p 1 connector using an external harness. remove the usb interface if it is currently installed on the evaluation board. conne ct a user - supplied harness to the p 1 connector. the parallel bus signal names for p1 are indicated on the evaluation board. cross reference for device pin names to p1 connector signals is as follows: c1 = d2, c2 = d3, c4 = d4, c8 = d5. apply the supply vol tage to p3. send the appropriate signals onto the parallel bus lines in accordance with the parallel interface attenuation truth table . the attenuator is set to the desired state and measurements can be taken. default power - up state the default attenuat ion state is minimum ( 0 db) when supply voltage is applied to the attenuator. if a different attenuation state is desired during power up, this can be accomplished by applying signals according to the parallel interface attenuation truth table. the attenuator will power up to the state applied to the parallel bus during turn on.
rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds1 501 2 9 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@rf md.com . the information in this publication is believed to be accurate. however, no responsibility is assumed by rf micro devices, in c. ("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 applic ation circuitry and specifications at any time without prior notice. 13 of 14 rfsa3413 pin names and descriptions pin name description 1 vdd supply voltage 2 rfin rf i nput p in ; 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 n/c open in package. connect to pcb ground or leave floating. 4 n/c open in package. connect to pcb ground or leave floating. 5 n/c open in package. connect to pcb ground or leave floating. 6 n/c open in package. connect to pcb ground or leave floating. 7 n/c open in package. connect to pcb ground or leave floating. 8 n/c open in package. connect to pcb ground or leave floating. 9 n/c open in package. connect to pcb ground or leave floating. 10 n/c open in package. connect to pcb ground or leave floating. 11 rfout rf o utput pin; pin may be dc grounded externally and is grounded thru resistors internal to the part. 12 n/c open in package. connect to pcb ground or leave floating. 13 c 8 8 db bit parallel logic i nput ; 3v cmos compatible logic. 14 c 4 4 db b it p arallel logic i nput . 3v cmos compatible logic. 15 c 2 2 db bit p arallel l ogic i nput . 3v cmos compatible logic. 16 c1 1 db bit parallel logic i nput . 3v cmos compatible logic. paddle epad gnd the paddle with as many vias as possible. q uantity 9 gnd vias recommended . parallel interface attenuation truth table attenuation word d5 (c8) d4 (c4) d3 (c2) d2 (c1) attenuation state h h h h 0db / reference insertion loss h h h l 1db h h l h 2db h l h h 4db l h h h 8db l l l l 15db
rf micro devices inc . 7628 thorndike road, greensboro, nc 27409 - 9421 ds1 501 2 9 for sales or technical support, contact rfmd at +1.336.678.5570 or customerservice@rf md.com . the information in this publication is believed to be accurate. however, no responsibility is assumed by rf micro devices, in c. ("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 applic ation circuitry and specifications at any time without prior notice. 14 of 14 rfsa3413 package drawing (dimensions in millimeters) branding diagram 3413

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