1 of 7 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 . ordering information 15 16 17 18 19 20 21 22 23 24 3 25 26 27 28 1 2 14 13 gnd c_tx c_rx gnd rx gnd gnd tx 12 4 5 6 7 9 10 11 gnd gnd vreg gnd ant vcc gnd gnd gnd gnd nc gnd gnd gnd gnd 8 gnd gnd gnd vc_bias gnd RFFM6401 3.3v to 4.0v, 450mhz to 470mhz transmit/receive front end module RFFM6401 is a front end module (fem) intended for 433mhz to 470mhz ami/amr systems. this module provides separate po rts for rx and tx paths. the tx section provides a two stage pa with nominal output power of 30dbm and gain of 30db. the rx is a pass through. both are combined to a single antenna port with a sp2t switch. the device is provided in a 5.5mm x 5.0mm, 28-pin package. features ? tx output power: 30dbm ? tx gain: 30db ? separate 50 tx/rx transceiver interface ? rx insertion loss: 1db applications ? wireless automated metering ? wireless alarm systems ? portable battery powered equipment ? smart energy ? 433mhz/450mhz to 470mhz ism band application ? single chip rf front end module RFFM6401 3.3v to 4.0v, 450mhz to 470mhz front end module RFFM6401sb 5-piece bag RFFM6401sr standard 100-piece reel RFFM6401tr13 standard 2500-piece reel RFFM6401pck-410 fully assembled evaluation board and 5-piece bag ds130327 package style: lga, 28-pin, 5.5mm x 5.0mm
2 of 7 RFFM6401 ds130327 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 v dc dc supply current 800 ma pa input rf power +10* dbm operating ambient temperature -40 to +85 c storage temperature -40 to +150 c moisture sensitivity msl3 *maximum pa input rf power with a 50 load. parameter specification unit condition min. typ. max. overall frequency 450 460 470 mhz battery voltage 3.3 3.6 4.0 v v cc rf port impedance 50 total leakage current 0.5 2.0 av cc = 3.6v, v reg <= 50mv, ctx=crx=50mv esd, hbm 1000 v rf pins esd, hbm 1000 v all other pins esd, cdm 1000 v rf pins esd, cdm 1000 v all other pins tx section nominal condition: temperature= 25c, v cc = 3.6v, v reg =2.8v, ctx= v cc -0.2v, over frequency unless otherwise noted cw p out saturation 30 30.5 31 dbm over voltage, full temperature and frequency large signal gain 30 32 db 2fo - 10fo harmonic -65 -60 dbc small signal input return loss -10 db transmit current (icc) 725 750 775 ma vcc = 3.6v, p out = 30dbm v reg 2.8 3.3 3.8 v v reg current 5.0 7.5 ma rx section rx current 2.0 av cc = 3.6, v reg = 3.4v c_tx = 0v, c_rx = 3.4v small signal insertion loss -1 -0.7 db large signal insertion loss -1 -0.7 db input p0.1db 23 dbm small signal input return loss -10 -8 db small signal output return loss -10 -8 db 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 device 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 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. rfmd green: rohs compliant per eu directive 2011/65/eu, 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.
3 of 7 RFFM6401 ds130327 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 parameter specification unit condition min. typ. max. antenna switch port isolation -25 -20 db any used port to any unused port logic voltage high 2.8 v cc -0.2 v cc logic voltage low 0 0.05 0.2 v all logic i/os logic current high 1.5 5 a all logic i/os operating mode c_tx c_rx tx - ant 10 rx - ant 01
4 of 7 RFFM6401 ds130327 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 descriptions pin name description 1gnd ground connection. 2gnd ground connection. 3rx receive port 4gnd ground connection. 5gnd ground connection. 6gnd ground connection. 7tx transmit por t 8gnd ground connection. 9vcc power amplifier supply voltage. 10 vreg power amplifier bias control 11 gnd ground connection. 12 gnd ground connection. 13 gnd ground connection. 14 gnd ground connection. 15 gnd ground connection. 16 gnd ground connection. 17 gnd ground connection. 18 c_tx transmit selection control line. please see truth table for proper operation. 19 c_rx receive selection control line. please see truth table for proper operation 20 gnd ground connection. 21 ant this is a common port (antenna). it is matched to 50 and dc block is provided internally. 22 gnd ground connection. 23 gnd ground connection. 24 gnd ground connection. 25 nc no internal connection. 26 vc_bias first stage pa supply voltage. 27 gnd ground connection. 28 gnd ground connection.
5 of 7 RFFM6401 ds130327 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or customerservice@rfmd.com . pin out 15 16 17 18 19 20 21 22 23 24 3 25 26 27 28 1 2 14 13 gnd c_tx c_rx gnd rx gnd gnd tx 12 4 5 6 7 9 10 11 gnd gnd vreg gnd ant vcc gnd gnd gnd gnd nc gnd gnd gnd gnd 8 gnd gnd gnd vc_bias gnd
6 of 7 RFFM6401 ds130327 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 recommended pcb patterns
7 of 7 RFFM6401 ds130327 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 1 2 3 4 9 12 11 10 17 16 15 18 23 24 25 26 j3 ant j1 rx l1 16 nh c2 180 pf c1 1.0 uf p1 1 2 3 4 5 6 7 hdr_1x7 vc_bias 5 6 7 8 13 14 19 20 21 22 27 28 c_tx c_rx vcc vreg j2 tx c4 dni c3 dni vc_bias vcc vreg c_tx c_rx
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