1 of 9 optimum technology matching? applied gaas hbt ingap hbt gaas mesfet sige bicmos si bicmos sige hbt gaas phemt si cmos si bjt gan hemt 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. ?2006, 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 bifet hbt ldmos balun 2 3 4 5 1 14 13 12 15 20 19 18 17 16 6 8 7 9 10 vcc gnd rx_en lna_en gnd gnd pdet vcc1/2 c/i vcc3 ant1 ant2 ant2_en rfn rfp tx_en vcclna ant1_en 11 n/c gnd rf6505 3.2v to 4.2v, 2.4ghz front end module the rf6505 integrates a complete solution in a single front end module (fem) for wifi and zigbee applications in the 2.4ghz to 2.5ghz band. this fem integrates a balun, tx/rx switch, power amplifier, harmonic filter, dp2t switch, and low noise amplifier with bypass mode. it provides a single balanced tdd access for rx and tx paths along with two ports on the output for connecting a diversity solution or a test port. the device is provided in a 3.5mm x 3.5mm x 0.5mm, 20-pin qfn package. features ? tx p1db: 27dbm ? integrated rf front end module, balun, pa, filter, ant switch, lna with bypass, tx/rx switch ? single differential bidirectional tx/rx port. ? compatible with most transceivers applications ? zigbee ? 802.15.4 based systems for remote monitoring and control ? wifi 802.11b/g ? 2.4ghz ism band applications ? smart meters for energy management rf6505 standard 25 piece bag RF6505SR standard 100 piece reel rf6505tr7 standard 750 piece reel rf6505tr13 standard 2500 piece reel rf6505pck-410 fully assembled eval uation board and 5 loose pieces ds140925 ? ? package style: qfn, 20-pin, 3.5mmx3.5mmx0.55mm
2 of 9 rf6505 ds140925 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or customerservice@rfmd.com . absolute maximum ratings parameter rating unit dc supply voltage 5 v operating case temperature -40 to +85 c storage temperature -40 to +150 c esd human body model rf pins 500 v esd human body model all other pins 500 v esd charge device model all pins 500 v moisture sensitivity level msl 2 maximum input power to pa and lna (no damage) +5 dbm parameter specification unit condition min. typ. max. overall specifications must be met across supply volt- age, control voltage, and temperature ranges unless otherwise noted. typical conditions: t=25c, v cc =3.6v operating frequency range 2400 2483 mhz operating voltage (v cc ) 3.2 3.6 4.2 v tx_en and rx_en 2.9 3.0 v leakage current 1 ua all control logics=low, no rf input transmit parameters frequency 2400 2483 mhz input return loss 10 amplitude imbalance -1 1 db phase imbalance -10 10 deg output return loss 10 gain 24 28 db at rated power gain flatness 0.8 0.5 db p1db 27 dbm v cc =3.6v, temp=25c. using 802.15.4 oqpsk modulation signal spectral mask performance -30 dbm supply current 490 ma p o =27dbm 802.15.4 oqpsk 380 ma p o =24dbm 802.15.4 oqpsk idle current 110 ma no rf input thermal resistance 42 c/w 4v v cc, 4v v reg, 27 dbm , p out, t ref = 90c 2nd harmonic level -40 dbc measured using standard 802.15.4 oqpsk modulation signal 3rd harmonic level -30 dbc measured using standard 802.15.4 oqpsk modulation signal vswr stability and load mismatch susceptibility 5:1 vswr no damage 10:1 gain settling time 2 us current sourced through tx_en pin 510ma caution! esd sensitive device. 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 perfor- mance or functional operation of the device under absolute maximum rating condi- tions is not implied. rohs status based on eudirective2002/95/ec (at time of this document revision). 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
3 of 9 rf6505 ds140925 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or customerservice@rfmd.com . parameter specification unit condition min. typ. max. receive parameters frequency 2400 2483 mhz gain 10 db from antenna to rx pin (entire rx path). noise figure 2.2 3 db from antenna to rx pin (entire rx path). current 7 15 ma lna + switches input ip3 3 7 dbm gain flatness -0.5 0.5 db input return loss 10 12 db output return loss 10 db amplitude imbalance -1 1 db phase imbalance -10 10 deg bypass mode frequency 2400 2483 mhz insertion loss 5.5 7 db entire rx path current 20 aant1 and ant2 input ip3 15 dbm gain flatness -0.5 0.5 db input return loss 10 12 db output return loss 10 db amplitude imbalance -1 1 db phase imbalance -10 10 deg antenna switch rf-to-control isolation 50 db measured at any control pin while in tx or rx mode. ant1 to ant2 isolation 18 20 db measured from antenna 1 to antenna 2 port while in tx or rx mode. switch control logic = high 2.8 3.1 v all logic i/o?s switch control logic = low 0.0 0.4 v all logic i/o?s switch control current. logic high 5.0 10.0 a all logic i/o?s switch control current. logic low 0.1 a all logic i/o?s antenna select switch speed 1 s ant1 or ant2 path, tx or rx mode
4 of 9 rf6505 ds140925 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or customerservice@rfmd.com . pin function description 1rfn differential rf input for pa (tx_mode) and output for lna (rx_mode) internally matched to 100 . 2gnd ground. 3rfp differential rf input for pa (tx_mode) and output for lna (rx_mode) internally matched to 100 . 4vcc voltage supply for vcc bias. an external 0.1uf capacitor might be needed for low frequency decoupling. 5tx_en enable voltage pin for the pa and switch. see logic table for operation. 6pdet provides and output voltage proprtional to the output rf level. 7gnd ground. 8 vcc1/2 voltage supply for the first and second stages of the pa. an external 1uf capacitor might be needed for low fre- quency decoupling. 9c/i this pin is connected internally (c/i) to pin 8 therfore th is pin should not be grounded. this pin should be left open. 10 vcc3 voltage supply for the third stage of the pa. an external 1uf capacitor might be needed for low frequency decou- pling 11 nc no connect. 12 gnd ground. 13 ant1 this is a common port (antenna). it is matched to 50 and dc block is provided internally. 14 gnd ground. 15 ant2 this is a common port (antenna). it is matched to 50 and dc block is provided internally. 16 ant2_en control pin for antenna select. see logic table for operation. 17 ant1_en control pin for antenna select. see logic table for operation. 18 vcclna voltage supply. an external 1uf capacitor might be needed for low frequency decoupling. 19 lna_en lna enable pin for selecting between high gain mode and bypass mode. 20 rx_en enable voltage pin for the receive mode and switch. see logic table for operation.
5 of 9 rf6505 ds140925 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 mode tx_en rx_en lna_en ant1_en ant2_en tx, antenna 1 high low low high low tx, antenna 2 high low low low high rx, antenna 1 low high high high low rx, antenna 2 low high high low high rx, antenna 1, lna bypass low high low high low rx, antenna 2, lna bypass low high low low high
6 of 9 rf6505 ds140925 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 *note: pin 9 is connected internally (c/i) to pin 8 therefore th is pin should not be grounded. this pin should be left open. 1 2 j1 rfn gnd gnd 1 2 j2 ant 1 gnd 1 2 j3 ant 2 gnd gnd gnd gnd rx_en gnd c19 0. 1uf l nae n gnd c20 0. 1uf gnd c15 1. 0uf gnd c16 1. 0uf ant 1e n ant2en vccl na pdet gnd c4 0. 1uf l7 2. 2nh unbal 1 gnd/ dc 2 bal 3 bal 4 gnd 5 nc 6 u2 gnd gnd c8 5. 1pf c7 1. 0uf c3 dnp cttx gnd vcc3 gnd gnd c6 5. 1pf c5 1. 0uf gnd vcc1/ 2 gnd gnd gnd ctrx cttx vccl na 1 2 3 4 5 6 p1 l nae n ant 1e n ant 2e n pdet 1 2 3 4 5 6 p2 gnd c1 330pf vcc vcc l4 dnp l1 dnp l6 1. 5nh l3 1. 5nh c12 0. 8pf c11 2. 4pf c9 0. 8pf l5 3. 3nh c13 1. 5pf l2 3. 3nh c10 1. 5pf gnd gnd gnd gnd gnd gnd gnd gnd c14 2. 4pf rx_en 20 lnaen 19 vcclna 18 ant1en 17 ant2en 16 n/ c 11 gnd 12 gnd 14 ant 1 13 ant 2 15 pdet 6 gnd 7 vcc1/2 8 c-i 9 vcc3 10 gnd 2 rfn 1 rfp 3 tx_en 5 vcc 4 df 21 u1 rffm6005 gnd gnd c17 dnp c2 dnp gnd gnd c18 .01uf vcc1/ 2 vcc3 l8 2nh
7 of 9 rf6505 ds140925 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 with murata filter 1 2 j1 rfn gnd gnd 1 2 j2 ant1 gnd 1 2 j3 ant2 gnd gnd gnd gnd rx_en gnd c12 0.1uf lnaen gnd c13 0.1uf gnd c9 1.0uf gnd c10 1.0uf ant1en ant2en pdet gnd c4 0.1uf unbal 1 gnd/dc 2 bal 3 bal 4 gnd 5 nc 6 u2 gnd gnd c8 5.1pf c7 1.0uf gnd gnd c6 5.1pf c5 1.0uf gnd gnd gnd gnd vccpa3 ctrx cttx vcclna 1 2 3 4 5 6 p1 lnaen ant1en ant2en pdet vccpa2 1 2 3 4 5 6 p2 gnd c1 330pf vcc vcc gnd gnd gnd gnd gnd gnd gnd gnd gnd 1 gnd 3 gnd 5 gnd 7 nc 2 nc 6 out 4 in 8 f2 gnd 1 gnd 3 gnd 5 gnd 7 nc 2 nc 6 out 4 in 8 f1 rx_en 20 lnaen 19 vcclna 18 ant1en 17 ant2en 16 n/c 11 gnd 12 gnd 14 ant1 13 ant2 15 pdet 6 gnd 7 vcc1/2 8 c-i 9 vcc3 10 gnd 2 rfn 1 rfp 3 tx_en 5 vcc 4 df 21 u1 rffm6005 gnd vcc3 vcc1/2 c3 dnp cttx gnd c2 dnp gnd vcclna l7 2.0nh gnd c17 dnp gnd c18 .01uf l8 dnp
8 of 9 rf6505 ds140925 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or customerservice@rfmd.com . rf6505 2.4ghz front end module -35 -30 -25 -20 -15 -10 -5 0 5 10 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 input power (dbm) output power (dbm) input power versus output power v cc = 4.0v; tx_en= 3.0v 2405 mhz 2440 mhz 2480 mhz -50 -40 -30 -20 -10 0 10 20 30 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 input power (dbm) output power (dbm) input power versus output power (over temperature at 2440 mhz) v cc = 4.0v; tx_en= 3.0v -40 c 25 c 85 c 0 5 10 15 20 25 30 35 40 45 50 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 gain (db) output power (dbm) gain versus output power v cc = 4.0v; tx_en =3.0v 2405 mhz 2440 mhz 2480 mhz 0 5 10 15 20 25 30 35 40 45 50 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 gain (db) output power (dbm) gain versus output power (over temperature at 2440 mhz) v cc =4.0v; tx_en = 3.0v -40 c 25 c 85 c 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 operating current (ma) output power (dbm) operating current versus output power v cc = 4.0v; tx_en = 3.0v 2405 mhz 2440 mhz 2480 mhz 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 operating current (ma) output power (dbm) operating current versus output power (over temperature at 2440 mhz) v cc = 4.0v; tx_en = 3.0v -40 c 25 c 85 c
9 of 9 rf6505 ds140925 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or customerservice@rfmd.com . 0 10 20 30 40 50 60 2300 2405 2440 2480 s21 (db) frequency (mhz) tx s21 versus frequency (over temperature ) v cc = 4.0v; tx_en = 3.0v -40 c 25 c 85 c
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