Description
DATA SHEET Si8935/36/37 Delta-Sigma Modulator for Voltage Measurement Applications * Industrial, HEV and renewable energy inverters *.
The Si8935/36/37 are galvanically isolated delta-sigma modulators optimized for voltage sensing.
Features
* 0 to 2.5 V nominal input voltage
* Modulator clock options
- External clock up to 25 MHz (Si8935) - 10 MHz internal clock (Si8936) - 20 MHz internal clock (Si8937)
* Typical input offset: ±0.4 mV
* Typical gain error: ±0.05%
* Excellent drift specifications
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
* General industrial data acquisition and
sensor interface