Si8921 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 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 •...
Si8921 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