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IDTF1912NCGI - 6 Bit Digital Step Attenuator

Description

This document describes the specification for the IDT F1912 Digital Step Attenuator.

The F1912 is part of a family of Glitch-FreeTM DSAs optimized for the demanding requirements of Base Station (BTS) radio cards and numerous other non-BTS applications.

Features

  • 1 MHz to 4000 MHz.
  • Serial and 6 bit Parallel Interface.
  • 31.5 dB Control Range.
  • 0.5 dB step.
  • Glitch-FreeTM, low transient overshoot.
  • 3.0 V to 5.25 V supply.
  • 1.8 V or 3.3 V control logic.
  • Attenuation Error < 0.20 dB @ 2 GHz.
  • Low Insertion Loss < 1.4 dB @ 2 GHz.
  • Ultra Linear IIP3 > +60 dBm.
  • IIP2 = +110 dBm typical.
  • Stable Integral Non-Linearity over temperature.
  • Low Current Consumption 550 µA typical.
  • -40 °C to +105 °C operating tem.

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Datasheet Details

Part number IDTF1912NCGI
Manufacturer IDT
File Size 1.51 MB
Description 6 Bit Digital Step Attenuator
Datasheet download datasheet IDTF1912NCGI Datasheet

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Full PDF Text Transcription

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6 Bit Digital Step Attenuator GENERAL DESCRIPTION This document describes the specification for the IDT F1912 Digital Step Attenuator. The F1912 is part of a family of Glitch-FreeTM DSAs optimized for the demanding requirements of Base Station (BTS) radio cards and numerous other non-BTS applications. These devices are offered in a compact 4mm x 4mm 20 pin QFN package with 50Ω impedances for ease of integration. COMPETITIVE ADVANTAGE Digital step attenuators are used in receivers and transmitters to provide gain control. The F1912 is a 6bit step attenuator optimized for these demanding applications. The silicon design has very low insertion loss and low distortion (> +60 dBm IIP3). The device has pinpoint accuracy.
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