SI88341EC-ISR

Digital Isolators Overview

The SI88341EC-ISR is a general-purpose digital isolator from Skyworks Solutions, featuring four unidirectional channels with an integrated isolated DC-DC converter. It provides 5000 Vrms isolation voltage and supports data rates up to 100 Mb/s. The device operates within a supply voltage range of 3 V to 5.5 V and exhibits a common-mode transient immunity of 40 kV/µs. Packaged in a 24-SOIC (0.295", 7.50mm wide) surface-mount format, it functions across an extended temperature range of -40°C to +125°C.

Digital Isolators Feature Summary

• Integrates a high-efficiency isolated DC-DC converter for single-channel power delivery across the isolation barrier
• Utilizes capacitive coupling technology to achieve robust signal transmission with high common-mode transient immunity
• Provides four independent unidirectional signal channels for flexible interface configuration

Digital Isolators Applications

• Industrial automation systems requiring galvanic isolation
• Medical equipment needing reliable signal separation
• Power electronics interfaces such as motor drives and inverters

Digital Isolators Procurement Notes

Verify the specific suffix 'ISR' confirms the tape-and-reel packaging format required for automated assembly processes. Confirm that the EC designation aligns with the necessary insulation ratings and regulatory approvals for the target application environment. Ensure compatibility with the 24-SOIC footprint during PCB layout verification.

Digital Isolators Selection Notes

Select this component when an integrated isolated power source is required alongside signal isolation to reduce external component count. Consider the 5000 Vrms rating for applications demanding high dielectric strength. Evaluate the 100 Mb/s data rate against system timing requirements to ensure adequate performance margins for high-speed communication protocols.

Digital Isolators Part Context

This part belongs to the Si88x4x family of digital isolators, which combines signal isolation with integrated power conversion. The series is designed to simplify system design by eliminating the need for separate isolated power supplies. The SI88341 variant specifically offers four channels, making it suitable for complex multi-signal isolation tasks in space-constrained industrial and automotive environments.

Digital Isolators Replacement Considerations

Public confirmed substitute: SI88341EC-IS.