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Si8922 Datasheet Isolated Amplifiers

Manufacturer: Skyworks Solutions

Overview: 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.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

The Si8921 and Si8922 galvanically isolated analog amplifiers

Key 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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