v 2.00 digital attenuator , 32 db, 2-bit dc - 2 ghz at -272 guaranteed specifications 1 (from -55? to + 85?) frequency rang e dc ?2.0 ghz nominal attenuation 2 16 db steps to 32 db attenuation accurac y dc ?2.0 ghz a n y single bit (dc-2 ghz 3% of attenuation setting in db) db a n y combination of bits (dc-1 ghz 3% of attenuation setting in db) db a n y combination of bits (1-2 ghz 7.5% of attenuation setting in db) db vswr dc ?2.0 ghz 1.6:1 max reference insertion loss dc ?2.0 ghz 2.0 db max operating characteristics impedance 50 ohms nominal switching characteristics tr ise , tfall (10% to 90%) 6 ns t yp t on, t off (50% ctl to 90%/10%) 16 ns t yp tr ansients (in-band) 15 mv t yp input p o wer for 1 db compression 0.05 ghz +27 dbm t yp 0.5 ghz to 3 ghz +30 dbm t yp intermodulation intercept point (for two-tone input power up to +5 dbm ) i ntercept points ip2 ip3 0.05 ghz +44 +38 dbm t yp 0.5 ghz to 3 ghz +68 +48 dbm t yp control v olta g es (complementary logic) vin lo w 0v to -0.2v @ 20 ? max vin hi -5v @ 20 ? typ to -8v @ 100 ? max 1. all specifications apply when operated with a 50 ohm impedance at both rf ports . 2. abo v e reference insertion loss . features attenuation 16-db steps to 32 db t emperature stability +/- 0.18 db from -55?c to +85? c typical ultra low dc power consumption hermetic surface mount package fast switching speed, 6 ns typical cr-6 ordering information p art number p acka ge at -272 pin ceramic l l l l l
v 2.00 typical p e r fo r m a n c e 1 . operation of this device abo v e any one of these parameters may cause permanent damage . absolute maximum ratings 1 p arameter absolute maximum max. input p ow er 0.05 ghz +27 dbm 0.5 ?2.0 ghz +34 dbm control v oltage +5 v , ?.5 v operating t emperature ?5?c to +125?c storage t emperature ?5?c to +150?c functional schematic (top view) control inputs vc2 vc2 vc1 vc1 attenuation (db) 1 0 1 0 reference 1 0 0 1 16 db 0 1 1 0 16 db 0 1 0 1 32 db "0" = vin lo w, vin low = 0v, "1" = vin high, vin high = -5v t ruth t able
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