11 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 switches - spdt - smt 11 - 1 HMC641LP4E general description features functional diagram the HMC641LP4E is a broadband non-refective gaas phemt sp4t switch in a compact 4x4 mm plastic package. covering dc to 20 ghz, this switch offers high isolation, low insertion loss and on-chip termination of isolated ports. this switch also includes an on board binary decoder circuit which reduces the number of required logic control lines from four to two. the HMC641LP4E is controlled with 0/ -5v logic, exhibits fast switching speed and consumes much less dc current than pin diode based solutions. the HMC641LP4E is also available in die form as the hmc641. broadband performance: dc - 20 ghz high isolation: 45 db @ 10 ghz low insertion loss: 2.3 db @ 10 ghz integrated 2:4 ttl decoder 24 lead 4x4 mm smt package: 16 mm2 electrical specifcations, t a = +25 c, with 0/-5v control, vss = -5v, 50 ohm system typical applications the HMC641LP4E is ideal for: ? telecom infrastructure ? microwave radio & vsat ? military & space hybrids ? test instrumentation ? satcom & sensors gaas mmic sp4t non-reflective switch, dc - 20 ghz v01.0910 parameter frequency min. typ. max. units insertion loss dc - 12 ghz dc - 20 ghz 2.0 3.0 3.2 4.2 db db isolation (rfc to rf1 - rf4) dc - 12 ghz dc - 20 ghz 30 30 42 40 db db return loss on state dc - 12 ghz dc - 20 ghz 18 17 db db return loss off state dc - 20 ghz 13 db input power for 1 db compression 0.05 - 0.25 ghz 0.25- 20 ghz 10 20 15 22 dbm dbm input third order intercept (two-tone input power= +14 dbm each tone) 0.05 - 0.25 ghz 0.25 - 20 ghz 30 38 dbm dbm switching characteristics trise, tfall (10/90% rf) ton, toff (50% ctl to 10/90% rf) dc - 20 ghz 15 88 ns ns
11 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 switches - spdt - smt 11 - 2 input third order intercept point @ 0 dbm tone power 1 db input compression point (low frequency detail) return loss 1 db input compression point insertion loss vs. temperature isolation HMC641LP4E v01.0910 gaas mmic sp4t non-reflective switch, dc - 20 ghz -5 -4 -3 -2 -1 0 0 4 8 12 16 20 24 +25 c +85 c -40 c insertion loss (db) frequency (ghz) -35 -30 -25 -20 -15 -10 -5 0 0 4 8 12 16 20 24 rfc rf1,2,3,4 on rf1,2,3,4 off return loss (db) frequency (ghz) -80 -70 -60 -50 -40 -30 -20 -10 0 0 4 8 12 16 20 24 rf1 rf2 rf3 rf4 isolation (db) frequency (ghz) 10 15 20 25 30 0 2 4 6 8 10 12 14 16 18 20 22 input compression point (dbm) frequency (ghz) 15 20 25 30 35 40 45 50 0 5 10 15 20 ip3 (dbm) frequency (ghz) 10 15 20 25 30 0 0.2 0.4 0.6 0.8 1 input compression point (dbm) frequency (ghz)
11 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 switches - spdt - smt 11 - 3 HMC641LP4E v01.0910 gaas mmic sp4t non-reflective switch, dc - 20 ghz truth table absolute maximum ratings bias voltage & current control input signal path state ctrla ctrlb rfc to: high high rf1 low high rf2 high low rf3 low low rf4 vss range = -5 vdc 10% vss (vdc) iss (typ) (ma) iss (max) (ma) -5 1.7 5.0 bias voltage (vss) -7v control voltage range (a & b) vss -1v to +1v maximum input power +24 dbm channel temperature 150 c thermal resistance channel to ground paddle (insertion loss path) 199 c/w thermal resistance channel to ground paddle (terminated path) 219 c/w storage temperature -65 to +150 c operating temperature -40 to +85 c esd sensitivity (hbm) class 1a ttl/cmos control voltages state bias condition low -2.5v to 0v @ 30 a typ. high -5v to -3.8v @ 1.7 a typ. electrostatic sensitive device observe handling precautions input third order intercept (low frequency detail) 15 20 25 30 35 40 45 50 0 0.2 0.4 0.6 0.8 1 ip3 (dbm) frequency (ghz)
11 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 switches - spdt - smt 11 - 4 outline drawing HMC641LP4E v01.0910 gaas mmic sp4t non-reflective switch, dc - 20 ghz 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. 7. classified as moisture sensitivity level (msl) 1. part number package body material lead finish msl rating package marking [1] HMC641LP4E rohs-compliant low stress injection molded plastic 100% matte sn msl1 [2] h641 xxxx [1] 4-digit lot number xxxx [2] max peak refow temperature of 260 c package information
11 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 switches - spdt - smt 11 - 5 pin descriptions pin number function description interface schematic 1, 5, 6, 13, 18 n/c these pins are not connected internally; however, all data shown herein was measured with these pins connected to rf/dc ground externally. 2, 4, 7, 9, 10, 12, 17, 19, 21, 22, 24 ground paddle gnd these pins and the exposed ground paddle must be connected to rf/dc ground. 3, 8, 11, 20, 23 rfc, rf1, rf2, rf3, rf4 these pads are dc coupled and matched to 50 ohms. blocking capacitors are required if rf line potential is not equal to 0v. 14 vss supply voltage -5 vdc 10%. 15 ctlb see truth table and control voltage table. 16 ctla see truth table and control voltage table. HMC641LP4E v01.0910 gaas mmic sp4t non-reflective switch, dc - 20 ghz
11 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 switches - spdt - smt 11 - 6 HMC641LP4E v01.0910 gaas mmic sp4t non-reflective switch, dc - 20 ghz evaluation pcb list of materials for evaluation pcb 126511 [1] item description j1 - j5 pcb mount sma connector j6 - j9 dc pin c1 1000 pf capacitor, 0402 pkg. u1 HMC641LP4E switch pcb [2] 126508 evaluation pcb [1] reference this number when ordering complete evaluation pcb [2] circuit board material: rogers 4350 or arlon fr4 the circuit board used in the application should use rf circuit design techniques. signal lines should have 50 ohm impedance while the package ground leads and exposed paddle should be connected directly to the ground plane similar to that shown. a sufficient number of via holes should be used to connect the top and bottom ground planes. the evaluation board should be mounted to an appropriate heat sink. the evaluation circuit board shown is available from hittite upon request.
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