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1 of 12 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 sales-support@rfmd.com . rf mems tx rx ant pa_en gnd lna_en c_rx n/c pdet vcc vdd 3 1 12 2 13 11 10 9 8 7 6 5 4 14 15 16 gnd gnd gnd n/c vcc RFFM8500 4.9ghz to 5.85ghz 802.11a/n/ac front end module the RFFM8500 provides a complete inte grated solution in a single front end module (fem) for wifi 802.11a/n systems. the ultra small form fac- tor and integrated matching minimize s the layout area in the customer's application and greatly reduces the number of external components. this simplifies the total front end solution by reducing the bill of materials, sys- tem footprint, and manufacturability cost. the RFFM8500 integrates a power amplifier (pa), single pole double throw switch (sp2t), lna and a power detector coupler for improved accuracy. the device is provided in a 3mm x 3mm x 1.0mm, 16-pin laminate package. this module meets or exceeds the rf front end needs of ieee 802.11a/n wifi rf systems. features ? single supply voltage 3.0v to 4.8v ? integrated 5ghz amplifier, spt2t tx/rx switch, lna, and power detector coupler ? p out = 16dbm, 11n, 54mbps at 2% dynamic evm ? p out = 16dbm, 11ac ht80 mcs9, 1.8% dynamic evm applications ? ieee802.11a/n/ac wifi applications ? mobile devices ? tablets ? consumer electronics ? gaming ? netbooks and notebooks ? tv, monitors, and video ds120904 ? ? package: laminate, 16-pin , 3.0mm x 3.0mm x 1.05mm
2 of 12 RFFM8500 ds120904 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . absolute maximum ratings parameter rating unit dc supply voltage 6.0 v dc maximum tx and rx input power (no damage) +10 dbm operating ambient temperature -40 to +85 c storage temperature -40 to +150 c moisture sensitivity msl3 parameter specification unit condition min. typ. max. transmit parameters nominal operating conditions: v cc = 3.3v to 4.2v; sw con- trol high: v cc -0.2v; pa_en = v cc -0.2v; p out = 16dbm; freq=5.18ghz to 5.825ghz; modulation mcs7 ht20; temp = -10c to +70c; unless otherwise noted frequency 5.15 5.85 ghz power supply v cc 33.34.8v switch control voltage-high 2.8 3.1 4.6 v switch control voltage-low 0 0.2 v pa_en on 2.8 3.1 4.6 v pa_en tracks with v cc . do not use pa_en hgher than v cc . off 0 0.2 v gain 24 26 db v cc = 3.3v; temp = 25oc; freq = 5.18ghz to 5.35ghz 26 28 db v cc = 3.3v; temp = 25oc; freq = 5.35ghz to 5.825ghz 23 27 db dynamic evm 2 2.5 % v cc = 3.3v; temp = 25oc 22.5%p out = 15.5dbm 1.8 % 11ac ht80 mcs9; v cc = 3.3v; temp = 25oc; p out = 16dbm (see note) quiescent current 185 ma rf off; v cc = 3.3v; temp = 25oc 185 210 ma rf off operating current 230 245 ma v cc = 3.3v; temp = 25oc 230 260 ma paen current 35 50 ? a fem leakage current 2 10 ? arf off; paen = off ; v cc = "on" second harmonic -45 -35 dbm fo = 4.9ghz to 5.3ghz: p out = 18dbm; rbw = 1mhz -43 dbm fo = 5.3ghz and 5.85ghz: p out = 18dbm; rbw = 1mhz third harmonic -50 -43 dbm fo = 5.15ghz to 5.85ghz: p out = 18dbm; rbw = 1mhz power detector p out at 0dbm 350 375 400 mv p out at 16dbm 500 600 700 mv tx port return loss 9.6 15 db at tx input ant port return loss 10 15 db in tx mode pa switching time- v ref (on<->off) 200 600 ns pa stability unconditional into 4:1 vswr, no spurious above - 41.25dbm/mhz note: see RFFM8500 application note for 11ac applications schematic. 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 devi ce 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 devices, 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 2002/95/ec, 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 12 RFFM8500 ds120904 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . logic control table parameter specification unit condition min. typ. max. receive parameters operating conditions: v dd = 3.3v to 4.2v; sw control high: v dd -0.2v; lna_en = 2.8v to 4.2v; freq=5.18ghz to 5.825ghz; temp = -10c to +70c; unless otherwise noted frequency 5.15 5.85 ghz lna voltage supply ( v dd )33.34.8v lna_en voltage 2.8 3.1 4.6 v gain 13 15 16 db temp=25c; v dd =3.3v 11 15 17 db nf 2.5 2.8 db temp=25c; v dd = 3.3v 2.5 3.7 db rx port return loss 8 15 db ant port return loss 6 8 dbm input ip3 -3 dbm input p1db -13 dbm i dd 13 17 ma lnaen control current 30 100 ? a lna turn on time 200 600 ns isolation tx-rx 32 db measured from ant to rx while in tx mode switch control current - each line 0.5 1 ? a switching speed 100 ns esd human body model (hbm) 500 v eia/jesd22-114a rf pins 1000 v eia/jesd22-114a dc pins charge device model 1000 v jesd22-c101c mode pa_en lna_en c_rx standby low low low 802.11a/n tx high low low 802.11a/n rx gain low high high
4 of 12 RFFM8500 ds120904 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . pin function description 1gnd ground connection. 2rx rf output port for the 802.11a/n lna. input is matched to 50 ? and dc block is provided. 3gnd ground connection. 4vdd supply voltage for the lna. see applications schematic for biasing and bypassing components. 5pdet power detector voltage for tx section. pdet voltage varies with output power. may need external capacitor for noise decoupling. 6pa_en control voltage for the pa and tx switch. see truth table for proper settings. 7nc not connected. 8tx rf input port for the 802.11a/n pa. input is matched to 50 ? and dc block is provided. 9nc not connected. 10 vcc supply voltage for the pa. see applications schematic for biasing and bypassing components. 11 vcc supply voltage for the pa. see applications schematic for biasing and bypassing components. 12 gnd ground connection. 13 ant rf bidirectional antenna port matched to 50 ?? and is dc blocked internally. 14 gnd ground connection. 15 c_rx receive switch control pin. see switch truth table for proper level. 16 lna_en control voltage for the lna. pkg base gnd ground connection.
5 of 12 RFFM8500 ds120904 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . package drawing
6 of 12 RFFM8500 ds120904 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . pcb patterns notes: 1. shaded area represents pin 1 location. 2. thermal vias for center slug ?c? should be incorporated in to the pcb design. the number and size of thermal vias will depend on the application, power dissipati on and electrical requirements. example of the number and size of vias can be found on the rfmd evaluation board layout (gerber files are available upon request).
7 of 12 RFFM8500 ds120904 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . pin out tx rx ant pa_en gnd lna_en c_rx n/c pdet vcc vdd 3 1 12 2 13 11 10 9 8 7 6 5 4 14 15 16 gnd gnd gnd n/c vcc
8 of 12 RFFM8500 ds120904 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . applications schematic note: 1. pins 1, 3, 7, 9, 12, and 14 are not connected internally. these pins can be left floating or grounded. it is recommended to follow the rfmd evaluation board layout. pdet c_rx 1uf lna_en nc ant tx rx pa_en vdd 0.1uf vcc n/c 3 1 12 2 13 11 10 9 8 7 6 5 4 14 15 16
9 of 12 RFFM8500 ds120904 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . RFFM8500 evaluation board layers (+1) 336-678-5570 sales-support@rfmd.com 1 r e y a l d i m r e y a l p o t r e y a l m o t t o b 2 r e y a l d i m
10 of 12 RFFM8500 ds120904 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . RFFM8500 transmit performance plots 0 2 4 6 8 10 12 0 1 2 3 4 5 6 7 8 9 1011121314151617181920 evm (%) output power (dbm) RFFM8500: evm vs. output power vs. temperature (freq=5180mhz; mcs7 ht20; vcc=3.3v; pa_en=3.1v; 50% duty cycle) 25 c -10 c +70 c 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 1011121314151617181920 evm (%) output power (dbm) RFFM8500: evm vs. output power vs. temperature (freq=5650mhz; mcs7 ht20; vcc=3.3v; pa_en=3.1v; 50% duty cycle) 25 c -10 c +70 c 10 12 14 16 18 20 22 24 26 28 30 32 34 0 1 2 3 4 5 6 7 8 9 1011121314151617181920 gain (db) output power (dbm) RFFM8500: gain vs. output power vs. temperature (freq=5180mhz; mcs7 ht20; vcc=3.3v; pa_en=3.1v; 50% duty cycle) 25 c -10 c +70 c 0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 1011121314151617181920 evm (%) output power (dbm) RFFM8500: evm vs. output power vs. temperature (freq=5825mhz; mcs7 ht20; vcc=3.3v; pa_en=3.1v; 50% duty cycle) 25 c -10 c +70 c 14 16 18 20 22 24 26 28 30 32 34 36 0 1 2 3 4 5 6 7 8 9 1011121314151617181920 gain (db) output power (dbm) RFFM8500: gain vs. output power vs. temperature (freq=5650mhz; mcs7 ht20; vcc=3.3v; pa_en=3.1v; 50% duty cycle) 25 c -10 c +70 c 14 16 18 20 22 24 26 28 30 32 34 36 0 1 2 3 4 5 6 7 8 9 1011121314151617181920 gain (db) output power (dbm) RFFM8500: gain vs. output power vs. temperature (freq=5825mhz; mcs7 ht20; vcc=3.3v; pa_en=3.1v; 50% duty cycle) 25 c -10 c +70 c
11 of 12 RFFM8500 ds120904 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . RFFM8500 transmit performance plots 0.1 0.15 0.2 0.25 0.3 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 icc (a) output power (dbm) RFFM8500: operating current vs. output power vs. temperature (freq=5180mhz; mcs7 ht20; vcc=3.3v; pa_en=3.1v; 50% duty cycle) 25 c -10 c +70 c 0.1 0.15 0.2 0.25 0.3 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 icc (a) output power (dbm) RFFM8500: operating current vs. output power vs. temperature (freq=5650mhz; mcs7 ht20; vcc=3.3v; pa_en=3.1v; 50% duty cycle) 25 c -10 c +70 c 0.1 0.15 0.2 0.25 0.3 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 icc (a) output power (dbm) RFFM8500: operating current vs. output power vs. temperature (freq=5825mhz; mcs7 ht20; vcc=3.3v; pa_en=3.1v; 50% duty cycle) 25 c -10 c +70 c
12 of 12 RFFM8500 ds120904 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com . RFFM8500 receive performance plots 0 2 4 6 8 10 12 14 16 18 20 5150 5180 5320 5650 5825 5875 gain (db) frequency (mhz) RFFM8500: rx gain vs. frequency vs. temperature (vdd=3.3v; lna_en=3.1v) 25 c -10 c +70 c 0 2 4 6 8 10 12 14 16 18 20 5150 5180 5320 5650 5825 5875 idd (ma) frequency (mhz) RFFM8500: rx operating current vs. frequency vs. temperature (vdd=3.3v; lna_en=3.1v) 25 c -10 c +70 c 0 1 2 3 4 5 4900 5150 5180 5320 5650 5825 5875 5900 nf (db) frequency (mhz) RFFM8500: rx noise figure vs . frequency vs. temperature (vdd=3.3v; lna_en=3.1v) 25 c -10 c +70 c

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