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 1 vcc nc tx in vcc nc 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 nc p a en nc vcc nc rx nc v tx n c a nt n c rffm8504 4.9gh z to 5.85gh z 802.11a/n/ac/wifi front end module the rffm8504 provides a complete inte grated solution in a single front end module (fem) for 4.9ghz to 5.85ghz wifi 802.11a/n/ac systems. the ultra-small form factor and integrated matching minimizes the layout area in the customer's application and greatly reduces the number of external components. this simplifies the total front end solution by reduc- ing the bill of materials, system footprint, and manufacturability cost. the rffm8504 integrates a power amplifier (pa) and single-pole double-throw switch (sp2t). the device is provid ed in a 2.5mm x 2.5mm x 0.45mm, 16- pin qfn package. this module meets or exceeds the rf front end needs of ieee 802.11a/n/ac wifi rf systems. features ? small size ? high performance fem ? excellent linearity ? input and output matched to 50 ? p out = 17.5dbm, 11ac, 80mhz mcs9 at -36db (1.5%) evm ? integrated 5ghz pa and sp2t switch ? low height package, suited for sip and cob designs applications ? cellular handsets ? mobile devices ? tablets ? consumer electronics ? gaming ? netbooks/notebooks ? tv/monitors/video rffm8504sq standard 25-piece sample bag rffm8504sr standard 100-piece reel rffm8504tr7 standard 2500-piece reel RFFM8504PCK-410 fully assembled eval uation board with 5-piece bag ds130723 package: qfn, 16-pin, 2.5mm x 2.5mm x 0.45mm
2 of 7 rffm8504 ds130723 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 -0.5 to +5.4 v dc pa enable voltage -0.5 to 5 v dc dc supply current 500 ma maximum tx and rx input power into 50 load for 11a/n/ac (no damage) +12 dbm storage temperature -40 to +150 c moisture sensitivity msl1 parameter specification unit condition min. typ. max. compliance: 802.11a, 802.11n, 802.11ac 4.9ghz to 5.85ghz only operating frequency 5.15 5.85 ghz extended frequency 4.9 5.15 ghz funct ional with derated performance input and output port impedance 50 operating temperature -30 +85 c power supply v cc 33.64.2v switch control voltage - vtx high 2.75 2.9 4.2 v tx switch on at high control voltage switch control voltage - vtx low 0.1 0.4 v rx switch on with low control voltage pa_enable high 2.75 2.9 4.2 v pa in ?on? state pa_enable low 0.1 0.4 v pa in ?off? state, do not leave floating transmit (tx-ant) mode v cc = 3.6v; vtx = high, temperature = 25c; unless otherwise noted gain (5.15ghz to 5.85ghz) 25.5 29 db 20mhz output power* 19 dbm 802.11ac ht20 mcs7 11ac 20mhz dynamic evm -33 -30 db 2.2 3.2 % 40mhz output power* 18 dbm 802.11ac vht40 mcs9 11ac 40mhz dynamic evm -36 -35 db 1.5 1.8 % 80mhz output power* 17 dbm 802.11ac vht80 mcs9 11ac 80mhz dynamic evm -36 -35 db 1.5 1.8 % 80mhz output power* 13.5 dbm 802.11ac vht80 mcs9 11ac 80mhz dynamic evm -40 db 1.0 % spectral mask 20mhz output power* 22 dbm 802.11ac ht20 with 3db margin spectral mask 40mhz output power* 21 dbm 802.11ac vht40 with 3db margin spectral mask 80mhz output power* 20 dbm 802.11ac vht80 with 3db margin operating current - nominal 270 310 ma p out = 19dbm * for 4900mhz to 5150mhz, p out is degraded by 1db 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. 65/eurfmd 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 rffm8504 ds130723 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. second harmonic -40 dbm fundamental frequency is between 4900mhz and 5850mhz; rf p out =19dbm; measured in 1mhz resolution bandwidth (fcc limit max = -30dbm) third harmonic -40 dbm pa selectivity/out of band gain 30mhz to 2900mhz -6 db 3600mhz to 4400mhz 19 db 7250mhz to 7750mhz 20 db tx port return loss 10 12 db ant port return loss 12 15 db noise figure 6 db receive (ant-rx) receive data v cc = 3.6v; vtx = low, temperature = 25c; unless otherwise noted insertion loss 0.9 db rx port return loss 12 15 db ant port return loss 12 15 db tx - rx isolation 21 db general specifications switch control current - high 2 a switch control current - low 0.1 a do not leave floating paen current - all conditions 30 a fem leakage - nominal 4 10 a rf = off; paen = low; vtx = low turn-on time from pa_en edge 300 ns output stable within 90% of final gain turn-off time from pa_en edge 300 ns output stable within 90% of final gain switching speed 200 ns esd - human body model 1000 v eia/jesd22-114a all pins esd - charge device model 1000 v eia/jesd22-101c all pins pa mode of operation switch mode of operation pa mode paen switch mode vtx enable high transmit high disable low receive low
4 of 7 rffm8504 ds130723 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or customerservice@rfmd.com . pin descriptions pin name description 1nc* no connect. this pin is not connected internally. it can be left floating or connected to ground. 2vcc supply voltage for the pa. see applications schematic for biasing and bypassing components. 3vcc supply voltage for the pa. see applications schematic for biasing and bypassing components. 4nc* no connect. this pin is not connected internally. it can be left floating or connected to ground. 5txin rf input port for the 802.11a/n pa. input is matched to 50 ? . internally dc blocked. 6nc* no connect. this pin is not connected internally. it can be left floating or connected to ground. 7paen control voltage for the pa. high paen enables the pa and low paen disables the pa (see switch logic tables). 8nc* no connect. this pin is not connected internally. it can be left floating or connected to ground. 9vcc supply voltage for the pa. see applications schematic for biasing and bypassing components. 10 nc* no connect. this pin is not connected internally. it can be left floating or connected to ground. 11 rx receive (rx) 50 ? output pin. 12 nc* no connect. this pin is not connected internally. it can be left floating or connected to ground. 13 vtx switch control voltage. high control voltage turns on th e tx path and low control voltage turns on the rx path (see switch logic tables). 14 nc* no connect. this pin is not connected internally. it can be left floating or connected to ground. 15 ant rf bidirectional antenna port matched to 50 ? . 16 nc* no connect. this pin is not connected internally. it can be left floating or connected to ground. pkg base gnd ground connection. the backside of the package should be connected to the ground plane through a short path; pcb vias under the device are recommended. * it is recommended to ground all nc pins.
5 of 7 rffm8504 ds130723 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or customerservice@rfmd.com . detailed functional block diagram 1 vcc nc tx in vcc nc 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 nc p a en nc vcc nc rx nc v tx n c a nt n c
6 of 7 rffm8504 ds130723 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 pcb patterns 6x 0.300 thermal vias for center slug "e" should be incorporated into the pcb design. the number and size of thermal vias will depend on the application, the power dissipation, and the electrical requirements. example of the number and size of vias can be found on the rfmd evaluation board layout. pcb stencil pattern pcb solder mask pattern pcb metal pattern 6x 0.300 2x 1.207 2x 1.207 2x 0.750 2x 0.250 0.000 2x 0.250 2x 0.750 2x 1.207 2x 0.750 2x 0.250 0.000 2x 0.250 2x 0.750 2x 1.207 2x 1.189 2x 1.189 2x 1.189 2x 1.189 4x 0.400 4x 0.436 4x 0.400 4x 0.436 6x 0.200 6x 0.200 2x 1.207 2x 1.207 2x 0.750 2x 0.250 0.000 2x 0.250 2x 0.750 2x 1.207 2x 0.750 2x 0.250 0.000 2x 0.250 2x 0.750 2x 1.207 2x 1.189 2x 1.189 2x 1.189 2x 1.189 4x 0.300 4x 0.336 4x 0.300 4x 0.336 6x 0.320 6x 0.320 2x 1.207 2x 1.207 2x 0.750 2x 0.250 0.000 2x 0.250 2x 0.750 2x 1.207 2x 0.750 2x 0.250 0.000 2x 0.250 2x 0.750 2x 1.207 2x 1.189 2x 1.189 2x 1.189 2x 1.189 4x 0.479 4x 0.513 4x 0.479 4x 0.513 shaded are represents pin 1 location.
7 of 7 rffm8504 ds130723 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
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