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F1956 - Digital Step Attenuator

Description

This document describes the specification for the F1956 Digital Step Attenuator.

The F1956 is part of Renesas’ Glitch-FreeTM family of DSAs optimized for the demanding requirements of Base Station (BTS) radio cards and numerous other non-BTS applications.

Features

  • Serial and 7-bit Parallel Interface.
  • 31.75dB Range.
  • 0.25dB steps.
  • Glitch-FreeTM: low transient overshoot.
  • 500ns settling time.
  • Ultra linear > 64dBm IIP3.
  • Low Insertion Loss < 1.7dB at 4GHz.
  • Attenuation error < ±0.2dB at 4GHz.
  • Bi-directional RF use.
  • 3.3V or 5V Supply.
  • 1.8V or 3.3V control logic.
  • Low Current Consumption: 350μA typical.
  • -40°C to +105°C operating temperature.

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Datasheet Details

Part number F1956
Manufacturer Renesas Electronics
File Size 6.97 MB
Description Digital Step Attenuator
Datasheet download datasheet F1956 Datasheet
Additional preview pages of the F1956 datasheet.

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Full PDF Text Transcription

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F1956 Datasheet 7-Bit 0.25dB Wideband Digital Step Attenuator 1 to 6000 MHz DESCRIPTION This document describes the specification for the F1956 Digital Step Attenuator. The F1956 is part of Renesas’ Glitch-FreeTM family of DSAs optimized for the demanding requirements of Base Station (BTS) radio cards and numerous other non-BTS applications. This device is offered in compact 5 × 5 mm 32-pin package with 50Ω input and output impedance for ease of integration into the radio or RF system. COMPETITIVE ADVANTAGE The F1956 offers very high reliability due to its construction from a monolithic silicon die in a QFN package. The insertion loss is very low with minimal distortion. Additionally, the device is designed to have extremely accurate attenuations levels.
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