SI88243ED-AS

Digital Isolators Overview

The SI88243ED-AS is a general-purpose digital isolator from Skyworks Solutions, featuring four channels with one forward and three reverse unidirectional paths. It operates on a supply voltage between 3 V and 5.5 V, drawing 9.5 mA of working power current. The device supports data rates up to 100 Mb/s with a maximum propagation delay of 18 ns and rise/fall times of 2.5 ns. It provides an insulation voltage of 5000 Vrms and a common-mode transient immunity of 40 kV/µs. Packaged in a 20-SOIC format, it functions within a temperature range of -40°C to +125°C.

Digital Isolators Feature Summary

• Capacitive coupling technology for signal isolation
• High common-mode transient immunity capability
• Certified by UL, CSA, VDE, and CQC standards

Digital Isolators Applications

• Industrial automation systems
• Power metering equipment
• Inverter control circuits

Digital Isolators Procurement Notes

Verify the specific suffix AS against official Skyworks documentation to confirm package type and tape/reel specifications. Ensure compatibility with required isolation voltage ratings and operating temperature ranges for the target application environment before finalizing procurement decisions.

Digital Isolators Selection Notes

Select this component when unidirectional signal transmission is required across four isolated channels. It is suitable for designs needing high-speed data transfer at 100 Mbps with robust noise immunity. Consider the 20-SOIC footprint and 5000 Vrms isolation rating for space-constrained industrial interfaces.

Digital Isolators Part Context

This part belongs to the Si88x4x family of digital isolators, which utilize capacitive coupling technology. These devices are designed to replace traditional optocouplers, offering superior performance in speed, power consumption, and reliability while maintaining compliance with international safety certification standards for electrical isolation.

Digital Isolators Replacement Considerations

SI88242BC-IS is listed as a similar alternative within the manufacturer's portfolio.