SI8920BC-IS

Overview

The SI8920BC-IS is a single-channel isolated analog amplifier from the Si8920 series, manufactured by Skyworks Solutions. It features a differential input and output configuration with a 3dB bandwidth of 950 kHz. The device operates on a supply voltage ranging from 3 V to 5.5 V, drawing a typical operating current of 4.2 mA. It provides an insulation voltage of 1200 Vrms using CMOS isolation technology. Key electrical specifications include a maximum gain error of 0.5%, an input offset voltage (Vos) of 200 µV, and a power dissipation of 212 mW. The component supports an output current of 3.8 mA per channel and functions within a temperature range of -40°C to +125°C.

Feature Summary

• Provides galvanic isolation between input and output circuits using CMOS technology.

Applications

• Industrial process control systems requiring signal isolation.

Procurement Notes

Verify the specific suffix and package type against the manufacturer's latest datasheet before ordering. Confirm that the component meets all required environmental and safety standards for your specific application. Check for any recent product change notices or lifecycle status updates directly from Skyworks Solutions to ensure long-term availability and compatibility.

Selection Notes

Select this component when a single-channel isolated amplifier with high bandwidth and low offset voltage is required. Ensure the system design accommodates the specified supply voltage range and thermal dissipation limits. Verify that the SOIC-16 package dimensions fit the intended PCB layout constraints.

Part Context

This part belongs to the Si8920 family of isolated amplifiers designed for precision analog signal transmission across isolation barriers. It complements other Skyworks isolation products by offering integrated amplification and isolation in a compact form factor suitable for demanding industrial environments.

Replacement Considerations

Consult official Skyworks documentation for verified substitute part numbers. Do not assume cross-compatibility with other manufacturers' devices without rigorous testing and validation against all electrical and mechanical specifications.