This document describes the specification for the IDT F1912 Digital Step Attenuator. The F1912 is part of a family of Glitch-Free TM DSAs optimized for the demanding requirements of Base Station (BTS) radio cards and numerous other non-BTS applications. These devices are offered in a compact 4mm x 4mm 20 pin QFN package with 50Ω impedances for ease of integration.
Serial & 6 bit Parallel Interface 31.5 dB Control Range
0.5 dB step
Glitch-Free TM , low transient overshoot 3.0 V to 5.25 V supply