14 for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com switche s - spd t - sm t 14 - 1 hmc849lp4ce high isolation spdt non-reflective switch, dc - 6 ghz v03.0311 general description features functional diagram h igh i solation: up to 60 db single positive c ontrol: 0/+3v to +5v h igh i nput i p3: +52 dbm non-refective design all off state 16 lead 4x4 mm qfn package: 16 mm2 typical applications t he h m c 849lp4 ce is ideal for: ? cellular/4g infrastructure ? wimax, wibro & fixed wireless ? automotive telematics ? mobile radio ? test equipment t he h m c 849lp4 ce is a high isolation non-refec- tive dc to 6 ghz gaas phemt spdt switch in a low cost leadless surface mount package. the switch is ideal for cellular/wimax/4g infrastructure applicati- ons yielding up to 60 db isolation, low 0.8 db inser- tion loss and +52 dbm input ip3. power handling is excellent up through the 5 - 6 ghz wimax band with the switch offering a p1db compression point of +31 dbm. on-chip circuitry allows a single positive voltage control of 0/+3v or 0/+5v at very low dc currents. an enable input (en) set to logic high will put the switch in an all off state. electrical specifcations, t a = +25 c, vctl = 0/vdd, vdd = +3v to +5v, 50 ohm system parameter frequency min. t yp. max. units i nsertion loss dc - 2.0 ghz 2.0 - 4.0 ghz 4.0 - 6.0 ghz 0.8 1.0 1.7 1.3 1.5 2.5 db db isolation (rfc to rf1/rf2) dc - 2.0 ghz 2.0 - 4.0 ghz 4.0 - 6.0 ghz 53 48 40 60 55 52 db db return loss (on state) dc - 4.0 ghz 4.0 - 6.0 ghz 17 13 db db return loss (off state) dc - 6.0 ghz 15 db input power for 1 db compression +3v +5v 0.35 - 4.0 ghz 29 34 30 35 dbm dbm i nput t hird order i ntercept (two-tone input power = +7 dbm each tone) dc - 6.0 ghz 52 dbm switching speed trise, tfall (10/90% rf) ton, toff (50% ctl to 10/90% rf) dc - 4.0 ghz 80 150 ns ns
14 for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com switche s - spd t - sm t 14 - 2 return loss [1] insertion loss isolation between ports rfc and rf1 / rf2 0.1 and 1 db input compression point, vdd = 5v, linear 0.1 and 1 db input compression point, vdd = 3v, linear isolation between ports rf1 and rf2 [1] rf c is refective in all off state. hmc849lp4ce v03.0311 high isolation spdt non-reflective switch, dc - 6 ghz -5 -4 -3 -2 -1 0 0 1 2 3 4 5 6 7 +25c +85c -40c insertion loss (db) frequency (ghz) -80 -70 -60 -50 -40 -30 -20 -10 0 0 1 2 3 4 5 6 7 rf1 rf2 all off isolation (db) frequency (ghz) 15 20 25 30 35 40 0 1 2 3 4 5 6 0.1 db compression point 1db compression point input compression (dbm) frequency (ghz) 15 20 25 30 0 1 2 3 4 5 6 0.1 db compression point 1 db compression point input compression (dbm) frequency (ghz) -30 -25 -20 -15 -10 -5 0 0 1 2 3 4 5 6 7 rfc rf1, rf2 off rf1, rf2 on return loss (db) frequency (ghz) -80 -70 -60 -50 -40 -30 -20 -10 0 0 1 2 3 4 5 6 7 rfc-rf1 on rfc-rf2 on isolation (db) frequency (ghz)
14 for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com switche s - spd t - sm t 14 - 3 hmc849lp4ce v03.0311 high isolation spdt non-reflective switch, dc - 6 ghz input third order intercept point, vdd = 5v input third order intercept point, vdd = 5v, linear input third order intercept point, vdd = 3v input third order intercept point, vdd = 3v, linear 40 45 50 55 60 0.01 0.1 1 +25c +85c -40c ip3 (dbm) frequency (ghz) 40 45 50 55 60 0 1 2 3 4 5 6 +25c +85c -40c ip3 (dbm) frequency (ghz) 40 45 50 55 60 0.01 0.1 1 +25c +85c -40c ip3 (dbm) frequency (ghz) 40 45 50 55 60 0 1 2 3 4 5 6 +25c +85c -40c ip3 (dbm) frequency (ghz) 0.1 and 1 db input compression point, vdd = 5v 0.1 and 1 db input compression point, vdd = 3v 15 20 25 30 35 40 0.01 0.1 1 0.1 db compression point 1 db compression point input compression (dbm) frequency (ghz) 15 20 25 30 35 0.01 0.1 1 0.1 db compression point 1 db compression point input compression (dbm) frequency (ghz)
14 for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com switche s - spd t - sm t 14 - 4 truth table absolute maximum ratings c ontrol i nput signal path state vctl e n rf c - rf1 rf c - rf2 low low off on h igh low on off low h igh off off h igh h igh off off digital control voltages state bias c ondition low 0 to +0.8 vdc @ <1 a t ypical h igh +2.0 to +5.0 vdc @ 30 a t ypical bias voltage (vdd) 7v control voltage (vctl, en) -1v to vdd +1v rf input power * t hrough path 3v/5v t ermination path 3v/5v 30.60 / 33 dbm 26.4 dbm c hannel t emperature 150 c continuous pdiss (t = 85 c) (derate 17.6 mw/c for through path, and 6.8 mw/c for termination path above 85 c) t hrough path t ermination path 1.144 w 0.441 w t hermal resistance (channel to package bottom) t hrough path t ermination path 56.8 c / w 147.3 c / w storage t emperature -65 to +150 c operating t emperature -40 to +85 c esd sensitivity (hbm) c lass 1a * the rf input power is quite lower than the breakdown power levels. hence, the only concern with this product is the thermal limit. vdd (v) idd (typ.) (ma) 3 0.80 5 0.85 bias voltage & current e l ect ros t a tic s e ns iti v e de v ice observe handling precautions hmc849lp4ce v03.0311 high isolation spdt non-reflective switch, dc - 6 ghz
14 for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com switche s - spd t - sm t 14 - 5 outline drawing part number package body material lead finish msl rating package marking [1] h m c 849lp4 ce rohs-compliant low stress injection molded plastic 100% matte sn msl1 [2] h 849 xxxx [1] 4-digit lot number xxxx [2] max peak refow temperature of 260 c package information no te s: 1. l e adfram e ma te r i al: c opp e r alloy 2. d i m e ns i ons ar e i n i n che s [m i ll i m ete rs] 3. lead spacing tolerance is non-cumulative. 4. pad burr length shall be 0.15mm maximum. pad burr height shall be 0.05mm maximum. 5. package warp shall not exceed 0.05mm. 6. all ground leads and ground paddle must be soldered to pcb rf ground. 7. refer to hittite application note for suggested land pa tte rn. hmc849lp4ce v03.0311 high isolation spdt non-reflective switch, dc - 6 ghz
14 for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com switche s - spd t - sm t 14 - 6 pin descriptions application circuit pin number function description i nterface schematic 1 vdd supply voltage. 2 vctl control input. see truth and control voltage tables. 3, 9, 12 rfc, rf1, rf2 t hese pins are d c coupled and matched to 50 ohms. blocking capacitors are required. 4, 6, 7, 8, 13, 14, 15, 16 n/ c the pins are not connected internally; however, all data shown herein was measured with these pins connected to rf/d c ground externally. 5 e n enable. see truth and control voltage tables. 10, 11 gnd package bottom must also be connected to p c b rf ground. hmc849lp4ce v03.0311 high isolation spdt non-reflective switch, dc - 6 ghz
14 for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com switche s - spd t - sm t 14 - 7 evaluation pcb the circuit board used in the fnal application should be generated with proper rf circuit design techniques. signal lines at the rf port should have 50 ohm impedance and the package ground leads and backside ground slug should be connected directly to the ground plane similar to that shown above. the evaluation circuit board shown above is available from hittite microwave corporation upon request. list of materials for evaluation pcb 106975 [1] i tem description j1 - j3 p c mount sma rf c onnector j4 - j8 d c pin c 1 - c 4 100 pf capacitor, 0402 pkg. u1 hmc849lp4ce spdt switch p c b [2] 106965 e valuation p c b [1] reference this number when ordering complete evaluation pcb [2] c ircuit board material: rogers 4350 or arlon 25fr hmc849lp4ce v03.0311 high isolation spdt non-reflective switch, dc - 6 ghz
14 for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com switche s - spd t - sm t 14 - 8 notes: hmc849lp4ce v03.0311 high isolation spdt non-reflective switch, dc - 6 ghz
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