IDTF1912 Description
This document describes the specification for the IDT F1912 Digital Step Attenuator. The F1912 is part of a family of Glitch-FreeTM DSAs optimized for the demanding requirements of Base Station (BTS) radio cards and numerous other non-BTS applications. These devices are offered in a pact 4mm x 4mm 20 pin QFN package with 50Ω impedances for ease of integration.
IDTF1912 Key Features
- 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
- Ultra Linear IIP3 > +60 dBm
- IIP2 = +110 dBm typical