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Si8922 - Isolated Amplifiers

This page provides the datasheet information for the Si8922, a member of the Si8921 Isolated Amplifiers family.

Datasheet Summary

Description

The Si8921 and Si8922 galvanically isolated analog amplifiers feature low-voltage differential input, ideal for measuring voltage across a current shunt resistor or any place where a sensor must be isolated from the control system.

Features

  • Low-voltage differential input: ±62.5 mV and ±250 mV options.
  • Low signal delay: 0.8 µs.
  • Typical input offset: ±0.40 µV.
  • Typical gain error: ±0.06%.
  • Excellent drift specifications - 0.5 µV/°C offset drift -.
  • 9 ppm/°C typical gain drift.
  • Typical nonlinearity: 0.003% full-scale.
  • Typical SNR: 82 dB over 100 kHz bandwidth.
  • Typical THD:.
  • 88 dB.
  • High common-mode transient immunity: 75 kV/µs.
  • Autom.

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Datasheet preview – Si8922

Datasheet Details

Part number Si8922
Manufacturer Skyworks
File Size 2.00 MB
Description Isolated Amplifiers
Datasheet download datasheet Si8922 Datasheet
Additional preview pages of the Si8922 datasheet.

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Full PDF Text Transcription

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DATA SHEET Si8921 and Si8922 Isolated Amplifiers for Current Shunt Measurement Applications • Industrial, HEV and renewable energy inverters • AC, brushless, and DC motor controls and drives • Variable speed motor control in consumer white goods • Isolated switch mode and UPS power supplies • Automotive on-board chargers, battery management systems, and charging stations Features • Low-voltage differential input: ±62.5 mV and ±250 mV options • Low signal delay: 0.8 µs • Typical input offset: ±0.40 µV • Typical gain error: ±0.06% • Excellent drift specifications - 0.5 µV/°C offset drift - –9 ppm/°C typical gain drift • Typical nonlinearity: 0.
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