SI88242ED-ISR

Digital Isolators Overview

The SI88242ED-ISR is a four-channel digital isolator from Skyworks Solutions, featuring an integrated DC-DC converter. It provides 5000 Vrms isolation voltage using capacitive coupling technology. The device supports data rates up to 100 Mb/s with a propagation delay of 18 ns. Operating supply voltages range from 3 V to 5.5 V. It is housed in a 20-SOIC package and operates within a temperature range of -40°C to +125°C.

Digital Isolators Feature Summary

• Integrates a high-efficiency DC-DC converter for isolated power generation
• Provides robust 5000 Vrms insulation via capacitive coupling
• Supports unidirectional signal transmission across four channels

Digital Isolators Applications

• Industrial automation control systems
• Power supply monitoring circuits
• Medical equipment signal isolation

Digital Isolators Procurement Notes

Verify the specific suffix 'ASR' or 'ISR' against the official datasheet to confirm packaging type and orientation. Confirm lifecycle status as NRND (Not Recommended for New Designs) before procurement planning. Ensure compatibility with existing PCB footprints for the 20-SOIC wide package.

Digital Isolators Selection Notes

Select this component when integrated isolated power is required alongside signal isolation. Verify that the 100 Mb/s data rate meets system timing requirements. Check thermal performance under maximum load conditions due to integrated converter power dissipation.

Digital Isolators Part Context

This part belongs to the Si8824x family of digital isolators. It combines isolation barriers with power conversion in a single package. The series is designed for applications requiring high reliability and compact form factors.

Digital Isolators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult manufacturer resources for direct replacements.