SI88221ED-AS

Digital Isolators Overview

The SI88221ED-AS is a Skyworks Solutions digital isolator featuring two channels in a 16-SOIC package. It supports data rates up to 100 Mb/s with a maximum propagation delay of 23 ns. The device operates on a supply voltage between 3 V and 5.5 V, drawing 5.9 mA of quiescent current. It provides 5000 Vrms isolation voltage and handles common-mode transients at 40 kV/µs. Operating temperatures range from -40°C to +125°C.

Digital Isolators Feature Summary

• Provides galvanic isolation for bidirectional signal transmission between circuits
• Utilizes CMOS technology for low power consumption and high reliability
• Certified by UL, CSA, VDE, and CQC for international safety standards

Digital Isolators Applications

• Industrial automation systems requiring isolated communication interfaces
• Medical equipment needing patient isolation barriers
• Power electronics control circuits with high voltage noise environments

Digital Isolators Procurement Notes

Verify the specific suffix 'AS' against official Skyworks documentation to confirm package type and tape/reel specifications. Ensure compatibility with system voltage levels and thermal requirements. Check for RoHS compliance status in the latest datasheet revision before finalizing procurement orders.

Digital Isolators Selection Notes

Select this component when high-speed data isolation is required within a compact SOIC footprint. Consider the 5000 Vrms isolation rating for robust noise immunity. Evaluate the 100 Mb/s data rate against system bandwidth needs. Confirm temperature range suitability for the intended operating environment.

Digital Isolators Part Context

This part belongs to the Si8822x family of CMOS digital isolators. These devices offer superior performance compared to traditional optocouplers, including lower power consumption and higher speed. The family includes variants with different channel counts and configurations for diverse isolation applications.

Digital Isolators Replacement Considerations

SI88221EC-ASR is listed as a parametric equivalent. Verify pinout compatibility and electrical specifications before substitution. Ensure the replacement meets all safety certification requirements for the target application.