6-bit 0.50 dB Glitch-Free™ Digital Step Attenuator

The IDT F1951 Digital-Step-Attenuator featuring Glitch-Free™ technology improves system reliability and settling time.  It has an attenuation range of 31.5 dB with excellent accuracy and very low distortion.

Features

  • Glitch-Free™, < 0.6 dB transient overshoot
  • 100 MHz to 4000 MHz frequency range
  • Spurious Free Design
  • 3V to 5V supply
  • Attenuation Error < 0.2 dB @ 2 GHz
  • Low Insertion Loss < 1.2 dB @ 2 GHz
  • Excellent Linearity +68 dBm IP3I
  • Fast settling time, < 400 nsec
  • Class 2 JEDEC ESD (> 2kV HBM)
  • Serial Interface 31.5 dB Range
  • 4x4 mm Thin VFQFPN 24 pin package

 

Product Options

Orderable Part ID Part Status Pkg. Code Pkg. Type Lead Count (#) Temp. Grade Pb (Lead) Free Carrier Type Buy Sample
F1951NBGI Active NBG24P2 VFQFPN 24 I Yes Tray Availability
F1951NBGI8 Active NBG24P2 VFQFPN 24 I Yes Reel Availability

Technical Documentation

Title Other Languages Type Format File Size Date
Datasheets & Errata
F1951_SP_de-embedded.zip - Model – S-parameter ZIP 1.06 MB Sep 21, 2016
F1951 Datasheet - Datasheet PDF 2.32 MB Apr 2, 2013
Apps Notes & White Papers
AT0139-F1951 Transitions.pdf - Application Note PDF 513 KB Sep 21, 2016
AN-896 RF Products EVS Digital Control Software Guide - Application Note PDF 2.91 MB Aug 30, 2015
PCNs & PDNs
PCN# : A1402-04 Add Alternate Assembly & Test - Product Change Notice PDF 45 KB May 20, 2014
Other
RF Digital Step Attenuators Product Overview 日本語, 简体中文 Overview PDF 412 KB Nov 29, 2016

Software & Tools

Title Other Languages Type Format File Size Date
RF Digital Control Software Installer - Software Tool ZIP 169.81 MB Aug 30, 2015

Evaluation Boards

Part Number Title Sort ascending
F1951EVBI Evaluation Board for F1951 6-bit Digital Step Attenuator