1 of 10 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. ordering information rf mems ldmos input match vdd output input RF2815 vsd RF2815 gps low noise amplifier with integrated output saw filter the RF2815 is a gps low noise amplifie r with an integrated saw filter at the output. low noise figure, along with high gain, achieved by the RF2815 makes it ideal for gps reciev ers requiring high sensitivity. this module builds upon rfmd?s leadin g edge phemt process and integrates input matching and low loss high reje ction saw filter at the output. this results in high perfor mance and a reduced solution size. the ease of implementation simplifi es the reciever design. the rf2185 is packaged in a compact 3.3mmx2.1mmx1.0mm package with low external component count re quired to achieve the best-in-class performance. features ? low noise figure: 0.85db (typ.) ? high gain: 13.5db ? high iip3: +9dbm ? operable over wide supply voltage range: 1v to 3.6v ? cmos compatible shutdown function (<0.1 ua) ? current tunability via single resistor ? no external dc-blocking capacitor required at the output - lowest bom cost and small solution size ? compact footprint: 3.3mmx2.1mmx1.0mm applications ? cellular and non-cellular gps receivers ds100211 ? package: module, 3.3x2.1x1.0 RF2815gps low noise amplifier with integrated out- put saw filter RF2815 gps low noise amplifier with integrated output saw filter RF2815pcba-410 fully assembled evaluation board
2 of 10 RF2815 ds100211 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 v dd 3.6 v i dd 20 ma maximum input power - cw, v dd =2.85v, i dd =9ma +15 dbm p diss 72 mw max voltage on rf output (pin 8) +5 v t j (junction temperature) 150 c storage temperature -65 to +150 c operating temperature -40 to +85 c parameter specification unit condition min. typ. max. high current mode v dd =+2.85, vsd=2.6v, i dd =8ma, r2=3k ???? freq=1575.42mhz. nominal operating condi- tions (unless otherwise specified) gain (g) 11 13.5 db noise figure (nf)* 0.85 1.3 db input p1db compressed power (p1db) -2 dbm input 3rd order intercept point (2-tone @ fc2.5hz) 9dbm input return loss (s11) -8 db output return loss (s22) -13 db reverse isolation (s12) -24 db cell band rejection (relative to 1575ghz at 827.5hz 50 54 dbc pcs band rejection (relative to 1575ghz at 1885mhz) 39 42 dbc supply dc current at shutdown (sd) voltage vsd=2.6v (i dd ) 815ma ish (shutdown current) 0.1 ua low current mode v dd =+2.85, vsd=1.67v, i dd =4.5ma, r2=3k ??? freq=1575.42mhz. nominal oper- ating conditions (unless otherwise specified) gain (g) 12 db noise figure (nf)* 1 db input p1db compressed power (p1db) 0dbm input 3rd order intercept point (2-tone @ fc2.5hz) 7dbm input return loss (s11) -7 db output return loss (s22) -11 db reverse isolation (s12) -24 db cell band rejection (relative to 1575ghz at 827.5hz 50 55 dbc pcs band rejection (relative to 1575ghz at 1885mhz) 39 42 dbc 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 devi ce 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 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.
3 of 10 RF2815 ds100211 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com. parameter specification unit condition min. typ. max. low current mode (cont.) v dd =+2.85, vsd=1.67v, i dd =4.5ma, r2=3k ??? freq=1575.42mhz. nominal oper- ating conditions (unless otherwise specified) supply dc current at shutdown (sd) voltage vsd=1.67v (i dd ) 4.5 ma ish (shutdown current) 0.1 ua low operating voltages vdd=2v vdd=1.5v vdd=1v vdd=vsd, r2=1.5k. freq=1575.42mhz. nominal operating conditions (unless other- wise specified). gain (g) 14 12.5 11.5 db noise figure (nf)* 0.85 0.95 1.1 db input p1db compressed power (p1db) -2 -4 -6 dbm input 3rd order intercept point (2-tone @ fc2.5hz) 10 7.5 3 dbm input return loss (s11) -9 -8 -7 db output return loss (s22) -13.5 -12.5 -11 db reverse isolation (s12) -24 -24 -22 db cell band rejection (relative to 1575ghz at 827.5hz 52 52 52 dbc pcs band rejection (relative to 1575ghz at 1885mhz) 42 42 42 dbc supply dc current at shutdown (sd) voltage vsd=2.85v (i dd ) 10.5 7.3 4 ma ish (shutdown current) 0.1 0.1 0.1 ua notes: *noise figure data has not been de-embedded.
4 of 10 RF2815 ds100211 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 package drawing pin function description 1rf in rf input. 2gnd ground. 3sd shutdown. 4gnd ground. 5gnd ground. 6gnd ground. 7gnd ground. 8filter out rf output. 9gnd ground. 10 gnd ground. 11 gnd ground. 12 vdd supply. top view (3.3 x 2.1 x 1)mm rf in gnd sd 1 2 3 45 6 7 8 9 12 11 10 gnd gnd gnd gnd filter-out gnd vdd gnd gnd
5 of 10 RF2815 ds100211 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 metal land pattern pcb solder mask pattern pcb stencil pattern
6 of 10 RF2815 ds100211 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com. application schematic input match RF2815 r2 3k ? sd c3 6.8 pf output l2 5.6 nh c2 10 pf l3 3.3 nh input 1 2, 4, 5, 6, 7, 9, 10, 11 3 8 12 notes: -l2 and c2 form the output matching network. -c1 and c3 are decoupling capacitors and may or may not be required in the application (depending on the routing). -l3 forms the input match. c1 0.1 uf vdd
7 of 10 RF2815 ds100211 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com. evaluation board schematic bom (for eval board) ref designator value l2 5.6nh inductor l3 3.3nh inductor c1 0.1uf capacitor c2 10pf capacitor c3 6.8pf capacitor r2 3k c9 100pf note: c9 is not needed in the actual application as RF2815 has an integrated dc blocking capacitor at the output. 1 2 10 9 8 7 11 12 3 4 5 6 l3 3.3 nh j1 rf in c9 100 pf j2 ant r2 3k vsd c3 6.8 pf vdd c2 10 pf c1 0.1 uf l2 5.6 nh u1 RF2815 p1 1 2 3 4 hdr_1x4
8 of 10 RF2815 ds100211 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com. evaluation board layout assembly top in 1 in 2 back
9 of 10 RF2815 ds100211 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com. typical performance data on evaluation board fixture losses have not been de-embedded (temp=25c, v dd =2.85v, r2=3k ? ) gain vs. frequency (temp=25c, vdd=2.85v, vsd = 2.6v, idd = 8ma) -70.0 -60.0 -50.0 -40.0 -30.0 -20.0 -10.0 0.0 10.0 20.0 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 frequency (mhz) gain (db) gain vs. vdd vs. idd 6.0 8.0 10.0 12.0 14.0 16.0 18.0 20.0 2.52.62.72.82.93.03.13.23.3 vdd (v) gain (db) 8ma 5ma nf vs. vdd vs. idd 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 2.5 2.6 2.7 2.8 2.9 3.0 3.1 3.2 3.3 vdd (v) nf (db) 8ma 5ma iip3 vs. vdd vs. idd 2.0 4.0 6.0 8.0 10.0 12.0 2.5 2.6 2.7 2.8 2.9 3.0 3.1 3.2 3.3 vdd (v) iip3 (dbm) 8ma 5ma ip1db vs. vdd vs. idd -3.0 -2.0 -1.0 0.0 1.0 2.0 3.0 2.5 2.6 2.7 2.8 2.9 3.0 3.1 3.2 3.3 vdd (v) ip1db(db) 8ma 5ma
10 of 10 RF2815 ds100211 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com.
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