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 Datasheet PDF 2.19 MB
Application Notes & White Papers
AT0069 - F1950 Intermodulation Product at 3.5 GHz Application Note PDF 294 KB
AN-896 RF Products EVS Digital Control Software Guide Application Note PDF 2.91 MB
PCNs & PDNs
PCN# : A1402-04 Add Alternate Assembly & Test Product Change Notice PDF 45 KB
Other
Digital Step Attenuators Product Overview 日本語, 简体中文 Overview PDF 185 KB
IDT Products for Radio Applications 日本語 Product Brief PDF 2.34 MB

Software & Tools

Title Other Languages Type Format File Size Date
F1950 S-Parameters Model - S-Parameter ZIP 2.17 MB
RF Digital Control Software Installer Software Tool ZIP 169.81 MB

Evaluation Boards

Part Number Title Sort ascending
F1950EVBI Evaluation Board for F1950 7-bit Digital Step Attenuator