Datasheet Summary
DATA SHEET
Si8941/Si8946/Si8947 Isolated Delta-Sigma Modulator 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
- Modulator clock options
- External clock up to 25 MHz (Si8941)
- 10 MHz internal clock (Si8946)
- 20 MHz internal clock (Si8947)
- Typical input offset: ±50 µV
- Typical gain error: ±0.05%
- Excellent drift specifications
- ±0.5 µV/°C...