SI88243BD-AS

Digital Isolators Overview

The SI88243BD-AS is an automotive-grade digital isolator from Skyworks Solutions, designed for high-reliability applications. It features four unidirectional channels with a 5000Vrms isolation voltage and supports data rates up to 100Mbps. The device utilizes capacitive coupling technology and operates within a supply voltage range of 3V to 5.5V. It offers a common-mode transient immunity of 40kV/µs and functions across a temperature range of -40°C to 125°C. Packaged in a 20-SOIC format, it provides robust signal integrity for demanding industrial and automotive environments.

Digital Isolators Feature Summary

• Automotive-grade qualification ensuring reliability in harsh operating conditions
• High-speed data transmission capability supporting 100Mbps per channel
• Robust noise immunity characterized by 40kV/µs common-mode transient rejection

Digital Isolators Applications

• Automotive electronic control units (ECUs)
• Industrial communication bus interfaces
• Motor drive control systems
• Power conversion circuits requiring galvanic isolation

Digital Isolators Procurement Notes

Verify the specific suffix 'AS' against official Skyworks documentation to confirm automotive grade status and RoHS compliance. Ensure the 20-SOIC package dimensions match your PCB footprint requirements. Cross-reference the datasheet revision date to confirm current manufacturing status and any potential lifecycle changes before finalizing procurement plans.

Digital Isolators Selection Notes

Select this component when automotive certification and high-channel density are required in a single package. Compare propagation delay specifications against system timing budgets. Evaluate the 5000Vrms isolation barrier against circuit voltage stress levels. Consider the 20-SOIC thermal performance for dense board layouts compared to alternative packages.

Digital Isolators Part Context

This part belongs to the Si8824x family of digital isolators, which integrates capacitive sensing technology for signal transmission. The family includes variants with integrated DC-DC converters and different channel configurations. The SI88243BD-AS specifically targets the automotive segment, offering enhanced durability and performance standards compared to standard commercial grade counterparts within the same series.

Digital Isolators Replacement Considerations

SI88243BC-ISR is listed as a similar alternative within the manufacturer's portfolio.