Description
DATA SHEET Si8921 and Si8922 Isolated Amplifiers for Current Shunt Measurement Applications * Industrial, HEV and renewable energy inverters .
The Si8921 and Si8922 galvanically isolated analog amplifiers feature low-voltage differential input, ideal for measuring voltage across a current shu.
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
* T
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,
