Si8946
Si8946 is Isolated Delta-Sigma Modulator manufactured by Skyworks Solutions.
- Part of the Si8941 comparator family.
- Part of the Si8941 comparator family.
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 m V and ±250 m V 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 typical offset drift
- ±4 ppm/°C typical gain drift
- Typical 14-bit (ENOB) precision
- High mon-mode transient immunity: 75 k V/µs
- Typical SNR: 90 d B
- Typical THD:
- 97 d B
- Automotive-grade OPNs available
- AEC-Q100 qualification
- AIAG-pliant PPAP documentation support
- IMDS and CAMDS listing support
- pact...