7-bit 0.25 dB Glitch-Free™ Digital Step Attenuator

The IDT F1950 Digital-Step-Attenuator featuring Glitch-Free™ technology improves system reliability and settling time.  It has an attenuation range of 31.75 dB with excellent accuracy and very low distortion.

Features

  • Glitch-Free™, < 0.6 dB transient overshoot
  • 150 MHz to 4000 MHz frequency range
  • Spurious Free Design
  • 3V to 5V supply
  • Attenuation Error < 0.3 dB @ 2 GHz
  • Low Insertion Loss < 1.3 dB @ 2 GHz
  • Excellent Linearity +65 dBm IP3I
  • Fast settling time, < 400 nsec
  • Class 2 JEDEC ESD (> 2kV HBM)
  • Serial & Parallel Interface 31.75 dB Range
  • 4x4 mm Thin VFQPFN 24 pin package

Product Options

Orderable Part ID Part Status Pkg. Code Pkg. Type Lead Count (#) Temp. Grade Pb (Lead) Free Function Carrier Type Buy Sample
F1950NBGI Active NBG24P2 VFQFPN 24 I Yes 7-bit DSA Tray Availability
F1950NBGI8 Active NBG24P2 VFQFPN 24 I Yes 7-bit DSA Reel Availability

Technical Documentation

Title Other Languages Type Format File Size Date
Datasheets & Errata
F1950 Datasheet Revision 2 Datasheet PDF 2.19 MB Jul 18, 2017
Application Notes & White Papers
AT0069 - F1950 Intermodulation Product at 3.5 GHz Application Note PDF 294 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
F1950 S-Parameters Model - S-Parameter ZIP 2.17 MB Sep 21, 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
F1950EVBI Evaluation Board for F1950 7-bit Digital Step Attenuator