Description
6 Bit Digital Step Attenuator GENERAL .
This document describes the specification for the IDT F1912 Digital Step Attenuator.
Features
* 1 MHz to 4000 MHz
* Serial and 6 bit Parallel Interface
* 31.5 dB Control Range
* 0.5 dB step
* Glitch-FreeTM, low transient overshoot
* 3.0 V to 5.25 V supply
* 1.8 V or 3.3 V control logic
* Attenuation Error < 0.20 dB @ 2 GHz
* Low Insertion Loss < 1.4 dB @ 2 GHz
Applications
* These devices are offered in a compact 4mm x 4mm 20 pin QFN package with 50Ω impedances for ease of integration. COMPETITIVE ADVANTAGE
Digital step attenuators are used in receivers and transmitters to provide gain control. The F1912 is a 6bit step attenuator optimized for these demanding applica