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IDTF1953NCGI8 - 6-bit Digital Step Attenuator

Download the IDTF1953NCGI8 datasheet PDF (IDTF1953 included). The manufacturer datasheet provides complete specifications, pinout details, electrical characteristics, and typical applications for 6-bit digital step attenuator.

Description

This document describes the specification for the IDTF1953 Digital Step Attenuator.

The F1953 is part of a family of Glitch-FreeTM DSAs optimized for the demanding requirements of communications Infrastructure.

Features

  • Glitch-FreeTM, < 0.6 dB transient overshoot.
  • Spurious Free Design.
  • 2.7 to 3.6 V supply.
  • Attenuation Error < 0.5 dB @ 2 GHz.
  • Low Insertion Loss < 1.4 dB @ 2 GHz.
  • Excellent Linearity >+60 dBm IP3I.
  • Fast settling time, < 400 ns.
  • 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 QFN 20 pin packa.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (IDTF1953-IDT.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number IDTF1953NCGI8
Manufacturer IDT
File Size 1.63 MB
Description 6-bit Digital Step Attenuator
Datasheet download datasheet IDTF1953NCGI8 Datasheet

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Full PDF Text Transcription

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6-bit Digital Step Attenuator 400 to 4000 MHz F1953 Datasheet GENERAL DESCRIPTION This document describes the specification for the IDTF1953 Digital Step Attenuator. The F1953 is part of a family of Glitch-FreeTM DSAs optimized for the demanding requirements of communications Infrastructure. These devices are offered in a compact 4x4 QFN package with 50 Ω impedances for ease of integration. COMPETITIVE ADVANTAGE Digital step attenuators are used in Receivers and Transmitters to provide gain control. The IDTF1953 is a 6-bit step attenuator optimized for these demanding applications. The silicon design has very low insertion loss and low distortion (> +60 dBm IP3I.) The device has pinpoint accuracy and settles to final attenuation value within 400 ns.
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