SI8631EC-AS1R

Digital Isolators Overview

The SI8631EC-AS1R is a Skyworks Solutions digital isolator featuring three channels with two unidirectional forward and one reverse path. It utilizes capacitive coupling technology to provide an insulation voltage of 3750 Vrms. The device supports data rates up to 150 Mb/s with a propagation delay of 8 ns. Operating on a supply voltage between 2.5 V and 5.5 V, it functions within a temperature range of -40°C to +125°C. Packaged in a 16-SOIC format, this component is designed for general-purpose isolation applications requiring high-speed signal transmission.

Digital Isolators Feature Summary

• Capacitive coupling architecture ensures robust signal isolation without magnetic interference
• High common-mode transient immunity supports reliable operation in noisy environments
• Integrated shutdown control allows for power management and state preservation

Digital Isolators Applications

• Industrial automation systems requiring galvanic isolation
• Power metering equipment for safe voltage measurement
• General-purpose digital communication interfaces

Digital Isolators Procurement Notes

Verify the specific suffix AS1R against official Skyworks documentation to confirm package type and reel specifications. Ensure the procurement channel provides valid RoHS compliance records and AEC-Q100 qualification status if automotive use is intended. Cross-reference the manufacturer part number with the datasheet to avoid confusion with similar series variants that may differ in insulation ratings or channel configurations.

Digital Isolators Selection Notes

Select this component when a 3-channel unidirectional isolator with 3750 Vrms capability is required. It is suitable for designs needing 150 Mb/s data throughput and low propagation delay. Consider the SOIC-16 package constraints and the 2.5 V to 5.5 V operating range during circuit design. Verify thermal dissipation requirements given the power consumption characteristics of the capacitive coupling mechanism.

Digital Isolators Part Context

This part belongs to the si863x family of digital isolators from Skyworks Solutions. The series combines high-speed dual- or quad-signal isolation capabilities. These devices are engineered to replace traditional optocouplers in modern electronic designs, offering superior performance metrics and reliability for interface circuits in various industrial and consumer applications.

Digital Isolators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.