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revision ds20150 709 disclaimer: subject to change without notice ? 2015 rf micro devices, inc. www.rfmd.com / www.qorvo.com 1 of 11 rfmd + triquint = qorvo r f fm6903 2.5v to 4.2v, ism band, 1w 915mhz transmit/receive module the rffm6903 is a single - chip front end module (fem) for applications in the 900mhz and 868mhz ism bands. the rfffm6903 addresses the need for aggressive size reduction for typical portable equipment rf front end design and greatly reduces the number of components outside of the core chipset thus minimizing the footprint and assembly cost of the overall solution. the rffm6903 contains an integrated 1 watt pa, sp3t antenna switch, integrated tx harmonic filter, tx thru path, lna with bypass mode, and matching components. the rffm6903 is packaged in a 28 - pin, 6.0mm x 6.0mm x 0.975mm over - molded laminate package with backside ground which greatly minimizes next level board space and allows for simplified integration . functional block diagram ordering information rffm6903sb standard 5 - piece sample bag rf fm6903 sq standard 25 - piece sample bag rf fm6903 sr standard 100 - piece reel rf fm6903 tr13 standard 2500 - piece reel rf fm6903 pck - 410 fully assembled evaluation board w/ 5 piece bag package: lga, 28 - pin, 6 .0mm x 6 .0mm x 0.975mm features integrated 50 ? input/output match tx output power: 30dbm separate tx/rx 50 ? transceiver interface integrated pa, filtering lna with bypass mode transmit thru path applications 868mhz/900mhz ism bands single chip rf front end module wireless automatic metering portable battery powered equipment smart energy rffm6903 2 3 c t l l o g i c g n d v a p c g n d a n t t x 2 4 2 5 2 6 2 7 2 8 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0 2 1 2 2 b y p e n r x t r v c c _ r x n c g n d g n d g n d g n d g n d g n d v c c _ t x 2 n c v c c _ t x 1 v d d g n d g n d g n d g n d s a w 1 s a w 2 n c l n a p a
revision ds20150 709 disclaimer: subject to change without notice ? 2015 rf micro devices, inc. www.rfmd.com / www.qorvo.com 2 of 11 rffm6903 rfmd + triquint = qorvo absolute maximum rat ings parameter rating unit voltage 5.25 v storage temperature range - 40 to +150 c operating temperature range - 40 to +85 c receive rf input power (saw2) +5 dbm transmit rf input power (pa enabled) +15 dbm transmit rf input power (pa bypass) +20 dbm receive rf input power (ant) +33 dbm t/r port load vswr in transmit mode 10:1 esd, hbm 350 v esd, cdm 300 v moisture sensitivity level msl3 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 th e 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 frequency* 890 925 960 mhz rf port impedance 50 ? operating voltage 2.5 3.6 4.2 v leakage current v cc tx1 = 3.6v, v cc tx2 = 3.6v, v dd = 3.6v, v cc rx = 3.6v, v apc = 0.0v, en = 0.0v, tr = 0.0v, byp = 0.0v, rf = off, temperature = 25oc v dd 0.05 1.0 a v cc tx 0.05 1.0 a v cc rx 0.05 1.0 a operating voltages v cc tx1/2 2.5 3.6 4.2 v v cc rx 2.5 3.3 4.2 v v dd 2.5 3.6 4.2 v tx output power control (v apc ) 0.00 2.25 2.50 v v apc operates such that the transmitter output power is saturated at a level lower than 1.9v and minimal variation in output power of the device occurs above that level
revision ds20150 709 disclaimer: subject to change without notice ? 2015 rf micro devices, inc. www.rfmd.com / www.qorvo.com 3 of 11 rffm6903 rfmd + triquint = qorvo parameter specification unit condition min typ max transmit high power mode v cc tx1 = 3.6v, v cc tx2 = 3.6v, v dd = 3.6v, v cc rx = 0.0v, v apc = 2.25v, en = 1.8v, t r = 1.8v, byp = 0.2v, measured path = tx to ant, temperature = 25oc output power 30.0 30.5 dbm v cc tx1, v cc tx2 = 3.6v, p in = +10dbm 28 v cct x1, v cc tx2 = 2.7v, p in = +10dbm thermal resistance 24.73 c/w 3.6v v cc , 100% duty, 30.2 dbm p out , t ref = 85 c input return loss 12.5 db output return loss 7 db operating current 840 900 ma p out = 30.5dbm, icc tx1 + icc tx2 quiescent current (i cc _t x 1/2 ) 100 18 0 ma i cc tx1 + i cc tx2, rf = off quiescent current (i dd ) 7 ma quiescent current (i cc _rx) 11.5 a i dd 12 18 ma p out = 30.5dbm second harmonic - 60 dbc third - tenth harmonic - 60 dbc gain 20 db v cc tx1, v cc tx2 = 3.6v, p in = +10dbm 18 db v cc tx1, v cc tx2 = 2.7v, p in = +10dbm transmit bypass mode v cc tx1 = 3.6v, v cc tx2 = 3.6v, v dd = 3.6v, v cc rx = 0.0v, v apc = 0.0v, en = 1.8v, t r = 1.8v, byp = 1.8v, measured path = tx to ant, temperature = 25oc insertion loss 2.0 2.7 db p in = +5dbm input p1db 27 28 dbm input ip3 41 dbm input return loss 18 db output return loss 13.5 db second harmonic attenuation - 46 db p in = +12dbm, second harmonic insertion loss third - tenth harmonic attenuation - 47 db p in = +12dbm, third - tenth harmonic insertion loss receive mode v cc tx1 = 3.3v, v cc tx2 = 3.3v, v dd = 3.3v, v cc rx = 3.3v, v apc = 0.0v, en = 1.8v, t r = 0.2v, byp = 0.2v, measured path = saw2 to rx, temperature = 25oc ip1db - 2.5 dbm gain 13 .5 15.5 16.0 db p in = - 20 dbm current 4 5 6 ma i dd 150 a noise figure 1.7 2.0 db iip3 1.4 3.0 dbm input return loss 18 db output return loss 10 db
revision ds20150 709 disclaimer: subject to change without notice ? 2015 rf micro devices, inc. www.rfmd.com / www.qorvo.com 4 of 11 rffm6903 rfmd + triquint = qorvo parameter specification unit condition min typ max receive bypass mode v cc tx1 = 3.3v, v cc tx2 = 3.3v, v dd = 3.3v, v cc rx = 3.3v, v apc = 0.0v, en = 1.8v, t r = 0.2v, byp = 1.8 v, measured path = saw2 to rx, temperature = 25oc insertion loss 1. 6 2 .2 2 .4 db current (i cc _t x 1/2 ) (i dd ) ( i cc _r x) 90 a 100 a 50 n a ip1db 17.5 dbm iip3 42 dbm input return loss 11 db output return loss 14 db antenna switch measured ant to saw1, rx & rx bypass modes insertion loss 0.5 db input return loss 9 10 db output return loss 9 10 db isolation isolation 24 db ant to saw1 (module in tx byp mode) 44 db ant to saw1 (module in tx mode) logic control logic high 1.6 4.0 v max control logic high = v dd - 0.2vd c control logic low 0.2 0.3 v control logic high current 0.1 a control logic low current 0.1 a vapc high current 50 a across all rated voltages at rated power *868mhz data available upon request table operating mode tr en byp pa lna (pin2) (pin3) (pin4) transmit high high low on off transmit bypass high high high off off receive low high low off on receive bypass low high high off off shutdown x low x off off
revision ds20150 709 disclaimer: subject to change without notice ? 2015 rf micro devices, inc. www.rfmd.com / www.qorvo.com 5 of 11 rffm6903 rfmd + triquint = qorvo typical performance
revision ds20150 709 disclaimer: subject to change without notice ? 2015 rf micro devices, inc. www.rfmd.com / www.qorvo.com 6 of 11 rffm6903 rfmd + triquint = qorvo
revision ds20150 709 disclaimer: subject to change without notice ? 2015 rf micro devices, inc. www.rfmd.com / www.qorvo.com 7 of 11 rffm6903 rfmd + triquint = qorvo
revision ds20150 709 disclaimer: subject to change without notice ? 2015 rf micro devices, inc. www.rfmd.com / www.qorvo.com 8 of 11 rffm6903 rfmd + triquint = qorvo application schematic 2 0 1 9 1 8 1 7 5 8 1 5 1 6 4 3 2 1 2 5 2 6 2 7 2 8 z 0 = 5 0 ? 6 7 9 1 0 1 1 1 2 1 3 1 4 2 1 2 2 2 3 2 4 s a w 1 z 0 = 5 0 ? z 0 = 5 0 ? s a w 2 v c c _ r x r x z 0 = 5 0 ? t x v c c _ t x 1 v d d v c c _ t x 2 t r e n b y p v a p c z 0 = 5 0 ? a n t 2 2 0 n f 1 u f 1 u f
revision ds20150 709 disclaimer: subject to change without notice ? 2015 rf micro devices, inc. www.rfmd.com / www.qorvo.com 9 of 11 rffm6903 rfmd + triquint = qorvo pin out package drawing 2 3 g n d v a p c g n d a n t t x 2 4 2 5 2 6 2 7 2 8 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0 2 1 2 2 b y p e n r x t r v c c _ r x n c g n d g n d g n d g n d g n d g n d v c c _ t x 2 n c v c c _ t x 1 v d d g n d g n d g n d g n d s a w 1 s a w 2 n c
revision ds20150 709 disclaimer: subject to change without notice ? 2015 rf micro devices, inc. www.rfmd.com / www.qorvo.com 10 of 11 rffm6903 rfmd + triquint = qorvo pcb patterns
revision ds20150 709 disclaimer: subject to change without notice ? 2015 rf micro devices, inc. www.rfmd.com / www.qorvo.com 11 of 11 rffm6903 rfmd + triquint = qorvo pin names and descriptions pin name description 1 gnd ground 2 tr digital input: transmit/receive 3 en digital input: shutdown mode 4 byp digital input: rx bypass control 5 vapc analog input 6 gnd ground 7 ant antenna switch commo n port, internally matched to 50 ? , dc blocked 8 gnd ground 9 gnd ground 10 saw1 receive side of antenna s witch, internally matched to 50 ? , dc blocked 11 gnd ground 12 gnd ground 13 saw2 rx and rx bypass input port, internally matched to 50 ? , dc blocked 14 nc not internally connected/open 15 gnd ground 16 nc not internally connected/open 17 vcc_rx 3.3v power supply 18 rx receive o utput, internally matched to 50 ? , dc blocked 19 gnd ground 20 tx tx and tx bypass input port, internally matched to 50 ? , dc blocked 21 gnd ground 22 gnd ground 23 vdd 3.6v power supply 24 vcc_tx1 3.6v power supply 25 nc not internally connected/open 26 vcc_tx2 3.6v power supply 27 gnd ground 28 gnd ground

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