1 functional diagram electrical specifcations, t a = +25c, 75 ohms system, with vdd = +5v & vctl = 0/+5v (unless otherwise noted) the HMC1095LP4E is a broadband 6-bit gaas ic digital attenuator in a low cost leadless smt package. this versatile digital attenuator incorporates off-chip ac ground capacitors for near dc operation, making it suitable for a wide variety of rf and if applications. the dual mode control interface is cmos/ttl compatible, and accepts either a three wire serial input or a 6 bit parallel word. the HMC1095LP4E also features a user selectable power up state and a serial output port for cascading other hittite serial controlled components. the HMC1095LP4E is housed in a rohs compliant 4x4 mm qfn leadless package, and requires no external matching components. parameter frequency (ghz) min. typ. max. units insertion loss dc - 1.2 ghz 0.5 1.3 2 db attenuation range 31.5 db return loss (attin, attout, all atten. states) dc - 1.2 ghz 13 db attenuation accuracy: (referenced to insertion loss) all attenuation states dc - 1.0 ghz (0.20 + 5% of atten. setting) max. db input power for 1 db compression dc - 1.0 ghz 31 dbm input third order intercept point (two-tone input power = 10 dbm each tone) dc - 1.0 ghz 57 dbm switching speed trise, tfall (10 / 90% rf) ron , toff (50% le to 10 / 90% rf) dc - 3 ghz 60 90 ns ns typical applications features general description the HMC1095LP4E is ideal for: ? catv/ satellite set top boxes ? catv modems ? catv infrastructure ? data network equipment 0.5 db lsb steps to 31.5 db power-up state selection high input ip3: +57 dbm low insertion loss: 1.5 db @ 1.0 ghz ttl/cmos compatible, serial, parallel or latched parallel control 0.25 db typical step error single +3v or +5v supply 24 lead 4x4mm smt package: 16mm 2 at tenu a tors - s m t for price, delivery and to place orders: hittite microwave corporation, 2 elizabeth drive, 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 HMC1095LP4E 0.5 db lsb gaas mmic 6-bit 75 ohms digital attenuator, dc - 3 ghz v00.0613
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