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

技术资料

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 5.37 MB
应用指南 &白皮书
AN-896 RF Products EVS Digital Control Software Guide Application Note PDF 2.91 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

软件与工具

文档标题 他の言語 文档类型 文档格式 文件大小
RF Digital Control Software Installer Software Tool ZIP 169.81 MB

Evaluation Boards

Part Number Title 升序排列
F1977EVBI Evaluation Board for F1977, 7-bit, 75Ω, Digital Step Attenuator