6-bit 0.50dB Glitch-Free™ Digital Step Attenuator with Internal DC Blocks

The IDT F1953 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.  In addition, it features internal DC blocking capacitors to reduce the system's bill-of-materials.

Features

  • Glitch-Free™, < 0.6 dB transient overshoot
  • Spurious Free Design
  • 2.7 to 3.3 V supply
  • Attenuation Error < 0.5 dB @ 2 GHz
  • Low Insertion Loss < 1.4 dB @ 2 GHz
  • Excellent Linearity >+63 dBm IP3I
  • Fast settling time, < 400 nsec
  • Class 2 JEDEC ESD (> 2kV HBM)
  • Serial or Parallel Interface 31.5 dB Range
  • Stable Integral Non-Linearity over temperature
  • Low Power Consumption < 200 uA
  • Integrated DC blocking capacitors
  • Drop-In replacement
  • 4x4 mm Thin VFQFPN 20 pin package
     

 

Product Options

Orderable Part ID Part Status Pkg. Code Pkg. Type Lead Count (#) Temp. Grade Pb (Lead) Free Carrier Type Buy Sample
F1953NCGI Active NCG20P1 VFQFPN 20 I Yes Tray Availability
F1953NCGI8 Active NCG20P1 VFQFPN 20 I Yes Reel Availability

Technical Documentation

Title Other Languages Type Format File Size Date
Datasheets & Errata
F1953 Final Datasheet Datasheet PDF 1.97 MB Apr 8, 2014
Application Notes & White Papers
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
The IDT Consumer Products Advantage Overview PDF 4.01 MB Jun 30, 2017
The IDT Automotive Advantage Overview PDF 3.55 MB May 26, 2017
The IDT Communications Products Advantage Overview PDF 2.54 MB Feb 13, 2017
RF Digital Step Attenuators Product Overview 日本語, 简体中文 Overview PDF 412 KB Nov 29, 2016
IDT Products for Radio Applications 日本語 Product Brief PDF 2.34 MB 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
F1953EVBI Evaluation Board for F1953 6-bit Digital Step Attenuator