SI8631BB-AS1R

Digital Isolators Overview

The SI8631BB-AS1R is a Skyworks digital isolator featuring three unidirectional channels with two forward and one reverse path. It utilizes capacitive coupling technology to provide 2500 Vrms isolation voltage. The device supports data rates up to 150 Mb/s with a maximum propagation delay of 13 ns. It operates within a supply voltage range of 2.5 V to 5.5 V and is qualified under AEC-Q100 standards for automotive applications. Packaged in a 16-SOIC narrow body, it functions reliably between -40°C and +125°C.

Digital Isolators Feature Summary

• Capacitive coupling isolation technology
• AEC-Q100 automotive qualification
• Unidirectional signal transmission

Digital Isolators Applications

• Automotive electronic control units
• Industrial communication interfaces
• Power management systems

Digital Isolators Procurement Notes

Verify the specific suffix AS1R against official Skyworks documentation to confirm tape-and-reel packaging configuration. Ensure the selected variant matches the required SOIC-Narrow-16 package dimensions. Cross-reference the datasheet revision history to validate current manufacturing status and any recent design changes affecting pinout or electrical characteristics before finalizing procurement orders.

Digital Isolators Selection Notes

Select this component when high-speed unidirectional isolation is required in space-constrained automotive designs. The 150 Mb/s rate suits CAN FD and LIN applications. Compare power consumption metrics against alternative isolators if battery efficiency is critical. Verify that the 2500 Vrms rating meets the system's insulation requirements without exceeding safety margins defined by relevant regulatory standards.

Digital Isolators Part Context

This part belongs to the si863x series of digital isolators from Skyworks Solutions. The series offers various channel configurations and isolation voltages tailored for industrial and automotive markets. The SI8631 variant specifically provides a 3-channel layout optimized for general-purpose signal isolation tasks requiring robust noise immunity and compact footprint solutions.

Digital Isolators Replacement Considerations

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