QPF4538 wi - fi front end module advance d advanced qpf45 38 ds 20161212 | subject to change without notice 1 of 7 www.qorvo.com product overview the qorvo ? qpf45 38 is an integrated front end module (fem) designed for wi - fi 802.11a/n/ac systems. the compact form factor and integrated matching minimizes layout area in the application. performance is focused on optimizing the pa for poe applications by centering on 0 .5w power consumption while maintaining the highest linear output power and leading edge throughput . integrated die level filtering for 2nd and 3rd harmonics as well as 2.4 ghz rejection for dbdc operation are included . the qpf4 538 integrates a 5 ghz pow er amplifier (pa), single pole two throw switch (sp2t) and bypassable low noise amplifier (lna) into a single device . functional block diagram top view 16 - pin , 2. 5 x 2.5 mm module package key features ? 4900 ? C ? 5925 ? mhz ? p out = + 17.5 dbm mcs9 vht80 - 35db dynamic evm ? p out = + 18 .5 dbm mcs 7 ht 20/40 - 30 db dynamic evm ? p out = +2 1 dbm mcs 0 ht20 spectral mask compliance ? 160mhz bandwidth and mcs11 capable ? optimized for + 3.3 v operation ? low power consumption ~ 0.5w ? 3 0 ? db tx gain ? 2 .5 db noise figure ? 1 4.5 db rx gain & 6 db bypass loss ? 1 5 db 2.4 ghz rejection on rx path ? integrated dc power detector a pplication s ? access points ? wireless routers ? residential gateways ? set - top boxes ? customer premise equipment ? internet of things ordering information part number description QPF4538 sb sample bag with 5 piec es QPF4538 sq sample bag with 25 piec es QPF4538 sr 7 reel with 1 00 piec es QPF4538 tr7 7 reel with 2,500 piec es QPF4538 tr13 13 reel with 10,000 piec es QPF4538 pc k - 01 assembled evaluation board + 5 pcs
QPF4538 wi - fi front end module QPF4538 ds 20161212 | subject to change without notice 2 of 7 www.qorvo.com a bsolute maximum ratings parameter conditions rating dc supply voltage - 0.5 to +6 v control voltage - 0.5 to +6 v storage temperature - 4 0 to 150 ? c junction temper a ture mttf > 1.5x10 6 hours mttf > 1.0x10 6 hours 1 6 0 ? c 1 7 0 ? c rf input power at tx_in into 50? load for 802.11a/n/ac (no damage) , transmit mode +10 dbm rf input power at ant (no damage), receive lna on mode +1 0 dbm rf input power at ant (no damage), receive bypass mode + 2 5 dbm exceeding any one or a combination of the absolute maximum rating conditions may cause permanent damage to the device. extend ed application of absolute maximum rating conditions to the device may reduce device reliability. this is an ingap device designed for high duty cycle applications with tj>30 ?c over ambient. recommended operating conditions parameter min . typ . max . units operating frequency 51 8 0 5 925 mhz extended operating frequency 4900 5925 mhz device voltage ( v cc & v dd ) + 3 +3.3 + 3.6 v control voltage C high (pa_en, lna_en & c _rx ) + 2 .8 +3 .1 v cc v contr ol voltage C low (pa_en, lna_en & c_rx ) 0 +0. 2 v t operating * - 40 +8 5 c electrical specifications are measured at specified test conditions. specifications are not guaranteed over all recommended operating conditions. * t operating is temperature at package ground. electrical specifications parameter conditions min . typ . max . units t ransmit (tx - ant) m ode unless otherwise noted: v cc = 3.3 v, t=+25oc, pa_en=high, lna_en =low, c_rx = low 11ac vht80 output power mcs11 1024qam 1 5 dbm dynamic evm - 40 db 11ac vht160 output power mcs9 256qam 16 db m - 35 db 11ac vht80 output power mcs9 256qam 16.5 17.5 db m dynamic evm - 35 db 11n ht20/40 output power mcs7 64qam 17 .5 18.5 db m dynamic evm - 30 db margin to vht80 spectral mask p out = + 19 dbm, 11ac mcs0 3 0 db c margin to vht20 spectral mask p out = + 21 dbm, 11n mcs0 3 0 db c gain 29 30 db gain flatness across any 80 mhz channel - 0. 2 5 +0. 2 5 db
QPF4538 wi - fi front end module QPF4538 ds 20161212 | subject to change without notice 3 of 7 www.qorvo.com parameter conditions min . typ . max . units out of band gain f = 1600 - 1950mhz - 30 db f = 3300 - 3800mhz - 5 db f > 7000mhz 10 db tx port return loss 6 1 2 db ant port return loss 8 15 db quiescent current rf off 90 1 00 ma operating current p out = + 17.5 dbm 155 1 80 ma p out = + 21 dbm 200 220 ma 2 nd harmonics p out = +2 1 dbm 802.11a 6 mbps - 35 - 30 dbm/mhz 3 rd harmonics p out = +2 1 dbm 802.11a 6 mbps - 45 - 4 0 dbm/mhz ant - rx isolation 35 db dc power detect voltage rf off 0.2 1 v p out = + 17.5 dbm 0. 45 v p out = +2 1 dbm 0. 60 v r eceive (ant - rx ) lna on mode unless otherwise noted: v cc = 3.3 v, t=+25oc, pa_en= low, lna_en =high, c _rx = high gain 12 14.5 db gain flatness across any 80 mhz channel - 0. 25 +0. 25 db out of band gain f = 2400 - 2500 mhz - 15 - 12 db noise figure 2 .5 3 db rx port return loss 6 1 0 db ant port return loss 4 5 db input p 1db - 7 - 5 dbm input ip3 + 2 dbm rx operating current 1 5 20 ma receive (ant - rx ) bypass mode unless otherwise noted: v cc = 3.3 v, t=+25oc, pa_en= low, lna_en = low , c _rx =high bypass loss 6 9 db loss flatness across any 80 mhz channel - 0. 25 +0. 25 db out of band gain f = 2400 - 2500 mhz - 20 - 15 db rx port return loss 10 20 db ant port return loss 10 14 db input p 1db + 18 + 2 0 dbm input ip3 + 25 dbm general spe cifi cations unless otherwise noted: v cc = 3.3 v, t=+25oc fem leakage current 70 150 a pa_en control current - high 0.2 2 a lna_en control current - high 160 225 a c_rx control current - high 10 1 5 a tx output p 1db cw + 27 dbm ramp on/off time 10< - >90% ref from control voltage to rf power 200 ns pa stability - output vswr cw no spurious above - 41.25dbm/mhz 4 :1 output power range 0 2 5 dbm thermal resistance, jc junction to case , mcs0 p out 60 c/w
QPF4538 wi - fi front end module QPF4538 ds 20161212 | subject to change without notice 4 of 7 www.qorvo.com logic truth table mode pa_en lna_en c _rx standby low low low transmit high low low lna on low high high bypass low low high evaluation board schematic and layout bi ll of material ref . des . value description manuf. part number - - printed circuit board u1 - 5 ghz wi - fi front end module qorvo qp f4538 c5 1 f capacitor, chip, 10%, 6.3 v, x5r, 0402 taiyo yuden jmk105bj105kv - f c 2 4.7 f capacitor, chip, 1 0%, 16v , std , 0 805 avx/kyocera 0805yc475kat2a c 1, c3 1 nf capacitor, chip, 10%, 25v, x7r, 0201 c 11 10 pf capacitor, chip, +/ - 0.5pf, 25v, c0g, 0201 c 6 33 pf capacitor, chip, 5%, 25v, c0g, 0201 c9, c10 - do not install
QPF4538 wi - fi front end module QPF4538 ds 20161212 | subject to change without notice 5 of 7 www.qorvo.com pin configuration and description top view pin n umber label description 1 gnd ground connection. 2 rx rf output from the low noise amplifier. internally matched to 50 and dc blocked. 3 gnd ground connection. 4 vdd lna supply voltage 5 pdet dc power detector. provides an output voltage proportional to the rf output power level 6 pa_en input enable bias voltage (regulated internally) 7 nc no electrical conne ction. it may be left floating or connected to ground. 8 tx rf input. internally matched to 50 and dc shorted. 9 nc no electrical conne ction. it may be left floating or connected to ground. 10 vcc 1 st and 2 nd stage supply voltage 11 vcc 3 rd stage supply voltage 12 gnd ground connection. 13 ant rf bi - directional antenna port . internally matched to 50 and dc blocked. 14 gnd ground connection. 15 c_rx transmit - receive control voltage. 16 lna_en lna enable bias voltage backside paddle gnd rf/dc ground. use recommended via pattern to minimize inductance and thermal resistance. see pcb mounting pattern for suggested footprint. advanced
QPF4538 wi - fi front end module QPF4538 ds 20161212 | subject to change without notice 6 of 7 www.qorvo.com mechanical information dimensions and pcb mounting pattern notes:
QPF4538 wi - fi front end module QPF4538 ds 20161212 | subject to change without notice 7 of 7 www.qorvo.com 1. all dimensions are in mi llimeters . angles are in degrees. 2. dimension and tolerance formats conform to asme y14.4m - 1994. 3. the terminal #1 identifier and terminal numbering conform to jesd 95 - 1 spp - 012. handling precautions parameter rating standard caution! esd sensitive device esd C human body model (hbm) class 1 b ansi/esd/jedec js - 001 esd C charged device model ( cdm ) class c3 je sd22 - c101 msl C moisture sensitivity level level 3 ipc/ jedec j - std - 020 solderability compatible with both lead - free (260 c max. reflow temperature) and tin/lead (245 c max. reflow temperature) soldering processes. package lead plating: electrolytic plated au over ni rohs compliance this part is compliant with the 2011/65/eu rohs directive (restrictions on the use of certain hazardous sub stances in electrical and electronic equipment), as amended by directive 2015/863/eu. this product also has the following attributes: ? lead free ? halogen free (chlorine, bromine) ? antimony free ? tbbp - a (c 15 h 12 br 4 0 2 ) free ? svhc free contact information for the latest specifications, additional product information, worldwide sales and distribution locations: web: www.qorvo.com tel: 1 - 844 - 890 - 8163 email: customer.suppor t@qorvo.com important notice the information contained herein is believed to be reliable; however, qorvo makes no warranties regarding the information con tained herein and assumes no responsibility or liability whatsoever for the use of the information contained herein. all information contained herein is subject to change without notice. customers should obtain and verify th e latest relevant information before placing orders for qorvo products. the information contained herein or any use of such inf orma tion does not grant, explicitly or implicitly, to any party any patent rights, licenses, or any other intellectual property rights, whether with regard to such information its elf or anything described by such information. this information does not constitu te a warranty with respect to the products described herein, and qorvo hereby disclaims any and all warranties with respect to such products whether express or implied by law, course of dealing, course of performance, usage of trade or otherwise, including the implied warranties of merchantability and fitness for a particular purpose. without limiting the generality of the foregoing, qorvo products are not warranted or authorized for use as critical componen ts in medical, life - saving, or life - sustaining applications, or other applications where a failure would reasonably be expected to cause severe personal injury or death. copyright 2016 ? qorvo, inc. | qorvo is a registered trademark of qorvo, inc . p b
|
