1 of 8 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 RF1127 rf2 rf1 rfc vdd v1 RF1127 broadband low power spdt switch the RF1127 is a single pole double throw (spdt) switch designed for gen- eral purpose switching ap plications which require very low insertion loss and low power handling capability . the RF1127 features low insertion loss, good isolation, and excellent linearity performance which makes it ideally suited for battery operated ap plications requiring high performance switching with very low dc power co nsumption. the RF1127 builds upon rfmd?s gaas phemt process and is packaged in a very compact, low pro- file 2mmx1.3mmx0.385mm, leadless qfn package. features ? broadband performance low frequency to 3.5ghz ? 1-bit control: requires single control line to switch between two rf paths ? compatible with low voltage logic (1.8v) ? very low insertion loss: - 0.3db at 1ghz (typ) - 0.4db at 2ghz (typ) ? excellent linearity: - iip2>100dbm (typ) - iip3>63dbm (typ) ? p0.1db:23dbm (typ) ? compact footprint ? 2.0mmx1.3mmx0.385mm, 6-pin, qfn applications ? cellular handset applications ? antenna tuning applications ? ieee802.11b/g wlan appli- cations RF1127 broadband low power spdt switch RF1127pcba-410 fully assembled evaluation board rev a3 ds090904 ? package style: qfn, 6-pin, 2mmx1.3mmx0.385mm
2 of 8 RF1127 rev a3 ds090904 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 voltage (v dd , v1) 6.0 v maximum input power (450mhz to 3500mhz), rf1, rf2 +28 dbm operating temperature -30 to +85 c storage temperature -65 to +150 c parameter specification unit condition min. typ. max. vdd=2.6v, v1=high=1.8v, v1=low=0v, temp=25c, unless otherwise specified operating frequency 450 3500 mhz insertion loss rfc-rf1, rfc-rf2 0.3 0.4 db rf on, 824mhz to 960mhz 0.35 0.5 db rf on, 1850mhz to 1990mhz 0.4 0.65 db rf on, 2170mhz to 2500mhz 0.50 db rf on, 3500mhz rf isolation rf1-rf2, rf2-rf1 27 29 db rf1-ant , rf2-ant, 824mhz to 960mhz 19 20 db rf1-ant, rf2-ant, 1850mhz to 1990mhz 17 19 db rf1-ant, rf2-ant, 2170mhz to 2500mhz 18 db rf1-ant, rf2-ant, 3500mhz rfc-rf1, rfc-rf2 27 29 db rf1-ant, rf2-ant, 824mhz to 960mhz 19 20 db rf1-ant, rf2-ant, 1850mhz to 1900mhz 17 19 db rf1-ant, rf2-ant, 2170mhz to 2500mhz 18 db rf1-ant, rf2-ant, 3500mhz rf port return loss vswr 1.5:1 880mhz harmonics second harmonic 69 92 dbc pin=16dbm; f 0 =880mhz third harmonic 69 105 dbc pin=16dbm; f 0 =880mhz 1880mhz harmonics second harmonic 70 100 dbc pin=16dbm; f 0 =1880mhz third harmonic 70 107 dbc pin=16dbm; f 0 =1880mhz 2500mhz harmonics second harmonic 70 89 dbc pin=16dbm; f 0 =2500mhz third harmonic 70 92 dbc pin=16dbm; f 0 =2500mhz 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 8 RF1127 rev a3 ds090904 7628 thorndike road, greensboro, nc 27409-9421 for sales or technical support, contact rfmd at (+1) 336-678-5570 or sales-support@rfmd.com. control logic parameter specification unit condition min. typ. max. iip2 rf1, rf2-ant cell 100 dbm tone 1: 836.5mhz at 16dbm, tone 2: 1718mhz at -20dbm receive freq: 881.5mhz rf1, rf2-ant aws 99 dbm tone 1: 1732.5mhz at 16dbm, tone 2: 3865mhz at -20dbm receive freq: 2132.5mhz rf1, rf2-ant pcs 100 dbm tone 1: 1880mhz at 16dbm, tone 2: 3840mhz at -20dbm receive freq: 1960mhz iip3 iip3 rf1, rf2-ant cell 65 dbm tone 1: 836.5mhz at 16dbm, tone 2: 791.5mhz at -20dbm receive freq: 881.5mhz iip3 rf1, rf2-ant imt 63 dbm tone 1: 1950mhz at 16dbm, tone 2: 1760mhz at -20dbm receive freq: 2140mhz input power at 0.1db compression point 19 23 dbm switching speed 600 ns 50% to 90% rfon, 50% to 10% rf off. dc supply vdd 2.50 2.60 3.30 v v1 (h) 1.80 3.60 v v1 (l) 0.00 0.40 v supply current 120 250 ua pin=16dbm control current 14 25 ua pin=16dbm note: parameters hold at 25c and vdd=2.5v. control signal signal paths v1 rf1-rfc rf2-rfc valid states 1 on off 0offon 0: logic level low, 0v~0.2v 1: logic level high, 1.8v~3.6v note: in indeterminate states, both signal paths are on with degraded performance.
4 of 8 RF1127 rev a3 ds090904 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 pin function description 1rf1 rf port 1. 2gnd ground. 3rf2 rf port 2. 4vdd supply. 5rfc antenna. 6v1 control line. pkg base gnd package base ground. top view 3 1 2 4 6 5 rf1 rf2 gnd v1 vdd rfc
5 of 8 RF1127 rev a3 ds090904 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 8 RF1127 rev a3 ds090904 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 application guidelines the decoupling capacitors are optional and, if necessary, may be used for noise reduction. decoupling capacitors on the con- trol pins protect the control circuitry from possible rf leakag e. for applications less than 300mhz the dc-blocking capacitors on ports rf1, rf2, and ant need to be 10nf instead of 100pf for best performance. 1 2 3 7 6 5 4 v1 c2 100 pf vdd c1 100 pf c3 100 pf j1 ant c6 dni l1 dni c4 100 pf j3 rf1 c5 100 pf j2 rf2 v1 1 2 3 vdd 1 2 3 *l1 is optional for iec61000-4-2 esd protection
7 of 8 RF1127 rev a3 ds090904 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 board thickness 0.0658?, board material fr-4 assembly layer top layer
8 of 8 RF1127 rev a3 ds090904 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 been de-embedded (temp=25c, vdd=2.6v, v1=1.8v). insertion loss (temp = 25c, vdd=2.6v, v1 = 1.8v) -1.0 -0.8 -0.6 -0.4 -0.2 0.0 500 1000 1500 2000 2500 3000 3500 frequency (mhz) insertion loss (db) return loss (temp = 25c, vdd=2.6v, v1 = 1.8v) -50.0 -40.0 -30.0 -20.0 -10.0 0.0 500 1000 1500 2000 2500 3000 3500 frequency (mhz) return loss (db) port to port isolation (temp = 25c, vdd=2.6v, v1 = 1.8v) -50.0 -40.0 -30.0 -20.0 -10.0 0.0 500 1000 1500 2000 2500 3000 3500 frequency (mhz) isolation (db) antenna to port isolation (temp = 25c, vdd=2.6v, v1 = 1.8v) -50.0 -40.0 -30.0 -20.0 -10.0 0.0 500 1000 1500 2000 2500 3000 3500 frequency (mhz) isolation (db) harmonics (temp=25c, vdd=2.6v, v1 = 1.8v) -100.0 -90.0 -80.0 -70.0 -60.0 -50.0 10 11 12 13 14 15 16 17 18 19 20 input power (dbm) harmonic level (dbc) 2nd harmonic 3rd harmonic
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