The IDT F1977 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 and insertion loss.

Features

  • 5 MHz to 3000 MHz frequency range
  • Glitch-Free™ low transient overshoot
  • Low insertion loss < 1.4 dB @ 1 GHz
  • Excellent linearity +64 dBm IIP3
  • Attenuation step error 0.1 dB @ 1 GHz
  • Serial & Parallel interface 31.75 dB range
  • Low Spurious design
  • 3 V / 5 V supply, 1.8 V / 3.3 V control logic
  • Fast settling time
  • Class 1C JEDEC ESD (1.5 kV HBM)
  • 5x5 mm 32-VFQFPN package

Product Options

下单器件 ID Part Status Pkg. Code Pkg. Type Lead Count (#) Temp. Grade Pb (Lead) Free Carrier Type Buy Sample
F1977NBGI Active NBG32P2 VFQFPN 32 I Yes Tray
Availability
F1977NBGI8 Active NBG32P2 VFQFPN 32 I Yes Reel
Availability

Documentation & Downloads

文档标题 他の言語 文档类型 文档格式 文件大小
数据手册与勘误表
F1977 Datasheet REV1 Datasheet PDF 10.67 MB
应用指南 &白皮书
AN-896 RF Products EVS Digital Control Software Guide Application Note PDF 3.17 MB
Downloads
RF Digital Control Software Installer Software Tool ZIP 169.81 MB
其它
Digital Step Attenuators Product Overview ( 简体中文) English, 日本語 Overview PDF 185 KB
IDT Products for Wired Broadband Applications Application Briefs PDF 686 KB
IDT Products for Radio Applications 日本語 Product Brief PDF 2.34 MB

Boards & Kits

Part Number 文档标题 文档类型 公司
F1977EVBI Evaluation Board for F1977, 7-bit, 75Ω, Digital Step Attenuator