gaas spst switch dc - 2.5 ghz sw-259 v3.00 m/a-com, inc. north america: tel. (800) 366-2266 n asia/paci?: tel. +81 3 3263 8761 n europe: tel. +44 (1344) 869 595 fax (800) 618-8883 fax +81 3 3263 8769 fax +44 (1344) 300 020 1 speci?ations subject to change without notice. l l l l l l l electrical speci?ations, t a = +25? features very low power consumption: 50 ? low insertion loss: 1.0 db high isolation: 35 db up to 2 ghz very high intercept point: 46 dbm ip 3 nanosecond switching speed temperature range: -40?c to + 85?c tape and reel packaging available 1 description m/a-com? sw-259 is a gaas mmic spst terminated switch in a low cost soic 8-lead surface mount plastic package. the sw-259 is ideally suited for use where very low power consumption is required. typical applications include trans- mit/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 sw-259 is fabricated with a monolithic gaas mmic using a mature 1-micron process. the process features full chip passivation for increased performance and reliability. 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. so-8 model no. package sw-259 pin soic 8-lead plastic sw-259tr forward tape & reel SW-259RTR reverse tape & reel ordering information parameter test conditions 2 unit min. typ. max insertion loss dc ?0.1 ghz db 0.5 0.6 dc ?0.5 ghz db 0.8 1.0 dc ?1.0 ghz db 1.0 1.2 dc ?2.0 ghz db 1.4 1.6 isolation dc ?0.1 ghz db 62 65 dc ?0.5 ghz db 55 58 dc ?1.0 ghz db 45 48 dc ?2.0 ghz db 32 35 vswr on dc ?2.0 ghz 1.2:1 off dc ?2.0 ghz 1.2:1 trise, tfall 10% to 90% rf, 90% to 10% rf ns 4 ton, toff 50% control to 90% rf, 50% control to 10% rf ns 8 transients in band mv 35 one db input power 0.05 ghz dbm 18 compression point input power 0.5 ?2.0 ghz dbm 23 2nd order measured relative 0.05 ghz dbm 55 intercept to input power 0.5 ?2.0 ghz dbm 68 (for two-tone input power up to +5 dbm) 3rd order measured relative 0.05 ghz dbm 40 intercept to input power 0.5 ?2.0 ghz dbm 46 (for two-tone input power up to +5 dbm) 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 8- lead sop outline dimensions narrow body .150 (all dimensions per jedec no. ms-012-aa, issue c) dimensions in ( ) are in mm. .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 unless otherwise noted: .xxx = 0.010 (.xx = 0.25) .xx = 0.02 (.x = 0.5) .004 (0.10)
rf1 q1 q4 rf2 a b q2 q3 gaas spst switch sw-259 v3.00 m/a-com, inc. north america: tel. (800) 366-2266 n asia/paci?: tel. +81 3 3263 8761 n europe: tel. +44 (1344) 869 595 fax (800) 618-8883 fax +81 3 3263 8769 fax +44 (1344) 300 020 2 speci?ations subject to change without notice. parameter absolute maximum 1,2 max. input power 0.05 ghz +27 dbm 0.5 ?2 ghz +34 dbm control voltage +5v, -8.5v storage temperature -65? to 150? absolute maximum ratings 1 1. operation of this device above any one of these parameters may cause permanent damage 2. when the rf input power is applied to a terminated port, the absolute maximum is +32 dbm. 2.0 1.5 1.0 0.5 0 0 0.5 1.0 1.5 2.0 2.5 frequency (ghz) loss (db) insertion loss vs frequency pin no. description 1 gnd 2 a 3 b 4 gnd 5 rf2 6 gnd 7 gnd 8 rf1 pin con?uration control inputs condition of switch a b rf state 1 0 on 0 1 off truth table "0" ?0 ?-0.2v @ 20 ? max. "1" ?-5v @ 20? typ to -8v @ 600 ? max. typical performance +25? 90 80 70 60 50 40 30 20 10 0 0.5 1.0 1.5 2.0 2.5 frequency (ghz) isolation (db) isolation vs frequency +85? +40? 2.0 1.8 1.6 1.4 1.2 1.0 0 0.5 1.0 1.5 2.0 2.5 frequency (ghz) loss (db) vswr vs frequency electrical schematic functional schematic 8 7 6 5 1 4 3 2 rf1 gnd gnd gnd gnd rf2 a b
gaas spst switch sw-259 m/a-com, inc. north america: tel. (800) 366-2266 n asia/paci?: tel. +81 3 3263 8761 n europe: tel. +44 (1344) 869 595 fax (800) 618-8883 fax +81 3 3263 8769 fax +44 (1344) 300 020 3 speci?ations subject to change without notice. v3.00 0 -5 -10 -15 -20 -25 -30 -35 -40 0 0.2 0.4 0.6 0.8 1 frequency (ghz) s22 (db) s22 (on) vs frequency 0 -10 -20 -30 -40 -50 -60 -70 -80 0 0.2 0.4 0.6 0.8 1 frequency (ghz) isolation (db) isolation vs frequency 0 -2 -4 -6 -8 -10 -12 -14 -16 -18 0 0.2 0.4 0.6 0.8 1 frequency (ghz) s22 (db) s22 (off) vs frequency 0 -5 -10 -15 -20 -25 -30 -35 -40 0 0.2 0.4 0.6 0.8 1 frequency (ghz) s11 (db) s11 (on) vs frequency swept data characterized in 75 ohms
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