IDTF1951 Overview
This document describes the specification for the F1951 Digital Step Attenuator. The F1951 is part of a family of Glitch-FreeTM DSAs optimized for the demanding requirements of munications Infrastructure. These devices are offered in a pact 4x4 QFN package with 50 Ω impedances for ease of integration into the radio system.
IDTF1951 Key Features
- Glitch-FreeTM, < 0.6 dB transient overshoot
- Spurious Free Design
- 3 V to 5.25 V supply
- Attenuation Error < 0.2 dB @ 2 GHz
- Low Insertion Loss < 1.2 dB @ 2 GHz
- Excellent Linearity +65 dBm IP3I
- Fast settling time, < 450 ns
- Class 2 JEDEC ESD (> 2kV HBM)
- Serial Interface 31.5 dB Range
- Stable Integral Non-Linearity over temperature
