SI8642BA-C-IUR

Digital Isolators Overview

The Skyworks SI8642BA-C-IUR is a general-purpose digital isolator featuring four independent channels with a data rate of 150 Mbps. It provides 1000 Vrms isolation voltage and supports bidirectional signal transmission via two forward and two reverse channels. The device operates on a supply voltage range of 2.375 V to 5.5 V, consuming 4.4 mA of quiescent current. It exhibits an 8 ns propagation delay and 4 ns rise/fall times within a -40°C to +125°C operating temperature range. Packaged in a 16-lead SSOP, it meets AEC-Q100 automotive standards.

Digital Isolators Feature Summary

• Capacitive coupling technology for high-speed digital isolation
• Bidirectional channel configuration supporting two forward and two reverse paths
• Automotive qualification compliant with AEC-Q100 standards

Digital Isolators Applications

• Automotive electronic control units requiring isolated communication
• Industrial automation systems needing reliable signal separation
• General-purpose interface circuits demanding high common-mode transient immunity

Digital Isolators Procurement Notes

Verify the specific suffix 'IUR' corresponds to tape-and-reel packaging when sourcing. Confirm that the 1 kVrms isolation rating aligns with system safety requirements. Ensure the 16-lead SSOP footprint matches the target PCB layout. Validate AEC-Q100 certification status if the application mandates automotive-grade reliability. Cross-reference datasheet revisions to ensure parameter consistency.

Digital Isolators Selection Notes

Select this component for applications requiring bidirectional isolation with moderate speed requirements up to 150 Mbps. The low power consumption makes it suitable for battery-operated or thermally constrained environments. Consider the 16-lead SSOP package size for space-limited designs. Verify that the 1000 Vrms isolation level satisfies the specific creepage and clearance needs of the target circuit topology.

Digital Isolators Part Context

This part belongs to the Si864x series of digital isolators from Skyworks Solutions. The series utilizes capacitive isolation technology to provide robust signal transmission across isolation barriers. The Si8642 variant specifically offers four channels, catering to multi-line communication interfaces. The family is designed to replace traditional optocouplers in modern electronic systems.

Digital Isolators Replacement Considerations

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