12 for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com switches - multi-throw - smt 12 - 36 hmc253lc4 gaas mmic sp8t non-reflective switch, dc - 3.5 ghz v01.1208 general description features functional diagram ceramic, rohs compliant 4x4mm smt package non-re ective topology low insertion loss: 1.2 db single positive supply: vdd = +5v integrated 3:8 ttl/cmos decoder: 0/+3v electrical speci cations, t a = +25 c, for ttl control and vdd = +5v in a 50 ohm system typical applications the hmc253lc4 is ideal for: ? basestations & repeaters ? wimax/wibro & fixed wireless ? cellular/3g infrastructure ? catv/dbs ? military & hi-rel the hmc253lc4 is a non-re ective sp8t switch in a leadless rohs compliant 4x4 mm ceramic smt package featuring wideband operation from dc to 3.5 ghz. the switch offers a single positive bias and true ttl/cmos compatibility enabling it to operate with 0/+3v control and a +5v supply. a 3:8 decoder is integrated on the switch requiring only 3 control lines and a positive bias to select each path. the hmc253lc4 sp8t will replace multiple con gurations of sp4t and spdt mmic switches. parameter frequency min. typ. max. units insertion loss dc - 2.0 ghz dc - 3.0 ghz dc - 3.5 ghz 1.1 1.2 1.3 1.5 1.6 1.7 db db db isolation dc - 2.0 ghz dc - 3.0 ghz dc - 3.5 ghz 35 31 30 40 36 35 db db db return loss on state 0.3 - 3.0 ghz 0.3 - 3.5 ghz 15 12 18 14 db db return loss (rf1-8) off state 0.3 - 3.5 ghz 0.5 - 3.5 ghz 7 10 10 14 db db input power for 1 db compression 0.5 - 3.5 ghz 20 24 dbm input third order intercept (two-tone input power = +7 dbm each tone) 0.5 - 3.5 ghz 40 43 dbm switching characteristics 0.3 - 3.5 ghz trise, tfall (10/90% rf) ton, toff (50% ctl to 10/90% rf) 30 100 ns ns
12 for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com switches - multi-throw - smt 12 - 37 return loss insertion loss isolation hmc253lc4 gaas mmic sp8t non-reflective switch, dc - 3.5 ghz v01.1208 -3 -2.5 -2 -1.5 -1 -0.5 0 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 rf1 rf2 rf3 rf4 rf5 rf6 rf7 rf8 insertion loss (db) frequency (ghz) -3 -2.5 -2 -1.5 -1 -0.5 0 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 +25c +85c -40c insertion loss (db) frequency (ghz) -30 -25 -20 -15 -10 -5 0 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 rfc rf1-rf8 on rf1-rf8 off return loss (db) frequency (ghz) 16 18 20 22 24 26 28 0 0.5 1 1.5 2 2.5 3 3.5 1db compression point 0.1db compression point compression (dbm) frequency (ghz) 30 35 40 45 50 55 0 0.5 1 1.5 2 2.5 3 3.5 rf1 rf2 rf3 rf4 rf5 rf6 rf7 rf8 ip3 (dbm) frequency (ghz) -70 -60 -50 -40 -30 -20 -10 0 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 rf1 rf2 rf3 rf4 rf5 rf6 rf7 rf8 isolation (db) frequency (ghz) insertion loss vs. temperature input ip3 input compression
12 for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com switches - multi-throw - smt 12 - 38 absolute maximum ratings outline drawing bias voltage range (port vdd) +7.0 vdc control voltage range (a, b, c) -0.5v to vdd +1vdc channel temperature 150 c storage temperature -65 to +150 c operating temperature -40 to +85 c maximum input power vdd = +5v +20 dbm (0.05 - 0.5 ghz) +25 dbm (0.5 - 3.5 ghz) electrostatic sensitive device observe handling precautions notes: 1. package body material: alumina 2. lead and ground paddle plating: 30-80 microinches gold over 50 microinches minimum nickel. 3. dimensions are in inches [millimeters]. 4. lead spacing tolerance is non-cumulative. 5. package warp shall not exceed 0.05mm datum -c- 6. all ground leads and ground paddle must be soldered to pcb rf ground. ttl/cmos control voltages bias voltage & current vdd range = +5.0 vdc 10% vdd (vdc) idd (typ.) (ma) idd (max.) (ma) +5.0 6.0 9.0 state bias condition low 0 to +0.8 vdc @ 5 ua typ. high +2.0 to +5.0 vdc @ 70 ua typ. truth table control input signal path state abc rfcom to: low low low rf1 high low low rf2 low high low rf3 high high low rf4 low low high rf5 high low high rf6 low high high rf7 high high high rf8 note: dc blocking capacitors are required at ports rfc and rf1, 2, 3, 4, 5, 6, 7, 8. hmc253lc4 gaas mmic sp8t non-reflective switch, dc - 3.5 ghz v01.1208
12 for price, delivery, and to place orders, please contact hittite microwave corporation: 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com switches - multi-throw - smt 12 - 39 hmc253lc4 gaas mmic sp8t non-reflective switch, dc - 3.5 ghz v01.1208 pin descriptions pin number function description interface schematic 1, 3, 5, 7, 12, 14, 16, 18, 20, 21, 23 gnd package bottom has exposed metal paddle that must also be connected to rf ground. 2, 4, 6, 13, 15, 17, 19, 22, 24 rf1 - rf8 & rfc this pin is dc coupled and matched to 50 ohms. blocking capacitors are required. 8 vdd supply voltage +5.0 vdc 10% 9ctlc 10 ctlb see truth table and control voltage table. 11 ctl a evaluation circuit board the circuit board used in the nal application should be generated with proper rf circuit design techniques. signal lines at the rf ports should have 50 ohm impedance while the package ground leads should be connected directly to the ground plane similar to that shown above. a sufficient number of via holes should be used to connect the top and bottom ground planes. the evaluation circuit board shown above is available from hittite microwave corporation upon request. item description j1 - j9 pcb mount sma connector j10 - j14 dc pin c1 - c9 100 pf capacitor, 0402 pkg. c10 0.01 uf capacitor, 0603 pkg. u1 hmc253lc4 sp8t switch pcb [2] 104687 eval board [1] reference this number when ordering complete evaluation pcb [2] circuit board material: rogers 4350 list of materials for evaluation pcb 107780 [1]
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