gaas spdt terminated switch dc - 2.5 ghz sw-337, SW-338, sw-339 v2.00 m/a-com, inc. north america: tel. (800) 366-2266 n asia/paci?: tel. +81 (03) 3226-1671 n europe: tel. +44 (1344) 869 595 fax (800) 618-8883 fax +81 (03) 3226-1451 fax +44 (1344) 300 020 1 speci?ations subject to change without notice. electrical speci?ations, t a = ?5? features very low power consumption: 75 ? low insertion loss: 0.5 db high isolation: 33 db up to 2 ghz (sw-337, SW-338) 28 db up to 2 ghz (sw-339) very high intercept point: 46 dbm ip 3 nanosecond switching speed temperature range: -40? to +85? low cost soic8 plastic package tape and reel packaging available 1 description m/a-com? sw-337, SW-338 and sw-339 are gaas mmic spdt terminated switches in a low cost soic 8-lead surface mount plastic package. they are ideally suited for use where very low power consumption is required. typical applications include transmit/receive switching, switch matrices, and ?ter banks in systems such as: radio and cellular equipment, pcm, gps, fiber optic modules, and other battery powered radio equipment. the difference between the switches is in the pin con guration. the sw-337, SW-338 and sw-339 are fabricated with monolithic gaas mmics using a mature 1-micron process. the process features full chip passivation for increased performance and reliability. so-8 0?8 .0075-0.0098
(0.19-0.25) .1890-.1968
(4.80-5.00) .0099-0.0196
x 45?chamfer
(0.25-0.50)
.2284-.2440
(5.80-6.20)
pin 8 orientation
mark pin 1 .1497-.1574
(3.80-4.00) - b - - a - .050(1.27) bsc. .013-.020 typ.
(0.33-0.51) .0040-.0098
(0.10-0.25) - c - .0532-.0688
(1.35-1.75) .016-.050
(0.40-1.27) .010(0.25) m b m .010(0.25) m c a m b s .004 (0.10) part number package sw-337 pin soic 8 lead sw-337 tr forward tape & reel sw-337 rtr reverse tape & reel SW-338 pin soic 8 lead SW-338 tr forward tape & reel SW-338 rtr reverse tape & reel sw-339 pin soic 8 lead sw-339 tr forward tape & reel sw-339 rtr reverse tape & reel ordering information sw-337, SW-338 sw-339 parameter test conditions 2 unit min. typ. max min. typ. max. insertion loss dc ?0.1 ghz db 0.4 0.6 0.4 0.6 dc ?0.5 ghz db 0.5 0.7 0.5 0.7 dc ?1.0 ghz db 0.5 0.7 0.5 0.7 dc ?2.0 ghz db 0.7 0.9 0.7 0.9 isolation dc ?0.1 ghz db 50 53 50 53 dc ?0.5 ghz db 43 46 43 46 dc ?1.0 ghz db 36 39 35 38 dc ?2.0 ghz db 30 33 25 28 vswr on dc ?2.0 ghz 1.2:1 1.2:1 off dc ?2.0 ghz 1.2:1 1.2:1 trise, tfall 10% to 90% rf, 90% to 10% rf ns 7 7 ton, toff 50% control to 90% rf, 50% control to 10% rf ns 10 10 transients in band mv 25 25 one db input power 0.05 ghz dbm 25 25 compression point input power 0.5 ?2.0 ghz dbm 30 30 2nd order measured relative 0.05 ghz dbm 60 60 intercept to input power 0.5 ?2.0 ghz dbm 65 65 (for two-tone input power up to +5 dbm) 3rd order measured relative 0.05 ghz dbm 40 40 intercept to input power 0.5 ?2.0 ghz dbm 46 46 (for two-tone input power up to +5 dbm) 1. refer to "tape and reel packaging" section, or contact factory. 2. all measurements with 0, -5 control voltages at 1 ghz in a 50 system, unless otherwise speci?d. l l l l l l l l 8-lead sop outline dimensions narrow body .150 (all dimensions per jedec no. ms-012-aa, issue c) dimensions in ( ) are in mm. unless otherwise noted: .xxx = ?.010 (.xx = ?.25) .xx = ?.02 (.x = ?.5)
gaas spdt terminated switch sw-337, SW-338, sw-339 v2.00 m/a-com, inc. north america: tel. (800) 366-2266 n asia/paci?: tel. +81 (03) 3226-1671 n europe: tel. +44 (1344) 869 595 fax (800) 618-8883 fax +81 (03) 3226-1451 fax +44 (1344) 300 020 2 speci?ations subject to change without notice. parameter absolute maximum 1 max. input power 0.05 ghz +27 dbm 0.5 ?2.0 ghz +34 dbm control voltage +5v, -8.5v operating temperature -40? to +85? storage temperature -65? to +150? absolute maximum ratings pin con?uration sw-337 SW-338 sw-339 truth table typical performance @ +25? 1. operation of this device above any one of these parameters may cause permanent damage. 8 7 6 5 1 4 3 2 rf1 gnd gnd rfc gnd rf2 b a 8 7 6 5 1 4 3 2 rf1 gnd gnd rfc gnd rf2 a b 5 4 ab 6 3 rf1 rf2 7 2 gnd gnd rfc gnd 8 1 rf1 rf com q1 q2 q3 q4 rf2 ab q6 q5 q8 q7 t1 g1 g2 t2 frequency (ghz) 2.0 1.5 1.0 0.5 0 0 0.5 1.0 1.5 2.0 2.5 loss (db) isolation vs frequency vswr vs frequency insertion loss vs frequency sw-337, SW-338 sw-339 frequency (ghz) 2.0 1.8 1.6 1.4 1.2 1.0 0 0.5 1.0 1.5 2.0 2.5 vswr rcf, rf1, rf2 on rf1, rf2 off 80 70 60 50 40 30 20 10 0 0 0.5 1.0 1.5 2.0 2.5 frequency (mhz) isolation (db) pin pin pin no. description no. description no. description 1 a 1 b 1 rf common 2 rf common 2 rf common 2 gnd 3 b 3 a 3 rf1 4 gnd 4 gnd 4 a 5 rf1 5 rf1 5 b 6 gnd 6 gnd 6 rf2 7 gnd 7 gnd 7 gnd 8 rf2 8 rf2 8 gnd condition of switch control inputs rf common to each rf port a b rf1 rf2 1 0 on off 0 1 off on "0" ?0 ?-0.2v @ 20 ? max. "1" ?-5v @ 30 ? typ to -8v @ 720 ? max. sw-337, SW-338 sw-339 functional schematics electrical schematic sw-339 sw-337 SW-338
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