SI8901B-A01-GSR

Analog To Digital Converters (ADC) Overview

The SI8901B-A01-GSR is a 10-bit isolated monitoring Analog-to-Digital Converter (ADC) from Skyworks Solutions. It integrates a three-channel SAR ADC subsystem with an I2C/SMBus serial port for data transmission. The device provides galvanic isolation rated up to 5 kVrms and features a typical common-mode transient immunity of 45 kV/µs. It operates on an input supply voltage of 2.7 V to 3.6 V and an output supply voltage of 2.7 V to 5.5 V, supporting an operating temperature range from -40 °C to +85 °C.

Analog To Digital Converters (ADC) Feature Summary

• Integrates a 10-bit Successive Approximation Register (SAR) ADC with three single-ended analog input channels.
• Features an on-chip I2C/SMBus interface allowing communication speeds up to 240 kbps.
• Provides robust signal isolation with high common-mode transient immunity suitable for noisy environments.

Analog To Digital Converters (ADC) Applications

• Isolated data acquisition systems
• Solar inverter monitoring
• Switch mode power system control

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific B-series variant against the official datasheet to confirm isolation ratings and package details. Ensure compatibility with the required I2C/SMBus bus topology and pull-up resistor configurations before finalizing procurement.

Analog To Digital Converters (ADC) Selection Notes

Select this component when a 10-bit resolution and I2C interface are required for isolated sensing applications. Compare against the Si8900 and Si8902 variants if UART or SPI interfaces better suit the master controller architecture.

Analog To Digital Converters (ADC) Part Context

This part belongs to the Si8900/1/2 family of isolated monitoring ADCs. These devices utilize proprietary CMOS isolation technology to combine ADC functionality with digital isolation in a single 16-pin wide-body SOIC package.

Analog To Digital Converters (ADC) Replacement Considerations

Public confirmed substitute part numbers: None identified in verified documentation.