SI88422EC-ISR

Digital Isolators Overview

The SI88422EC-ISR is a dual-channel digital isolator from Skyworks Solutions, designed for robust signal transmission across isolation barriers. It features two independent channels with a typical propagation delay of 6 ns and a high common-mode transient immunity of 100 kV/µs. The device operates with a maximum data rate of 150 Mbps per channel and supports voltage levels up to 5 kVrms for basic isolation. Powered by a single supply ranging from 2.25 V to 5.5 V, it ensures reliable performance in noisy industrial environments while maintaining low power consumption.

Digital Isolators Feature Summary

• Dual-channel architecture providing independent signal isolation paths
• High common-mode transient immunity for noise rejection
• Low propagation delay ensuring fast signal response times
• Wide operating temperature range for harsh environment compatibility

Digital Isolators Applications

• Industrial automation control systems
• Power supply monitoring circuits
• Inverter gate drive interfaces
• Medical equipment signal isolation

Digital Isolators Procurement Notes

Verify the specific ordering suffix 'ISR' to confirm package type and tape-and-reel configuration. Ensure the requested part matches the exact datasheet revision for accurate electrical characteristics. Cross-reference the manufacturer's official documentation to validate isolation ratings and thermal specifications before integration into design schematics.

Digital Isolators Selection Notes

Choose this component when dual-channel isolation with high speed and robust noise immunity is required. Consider the 5 kVrms isolation rating for safety compliance in mains-connected applications. Evaluate the 150 Mbps data rate against system timing requirements to ensure adequate bandwidth for communication protocols used in the target application.

Digital Isolators Part Context

This model belongs to Skyworks' Si88xx family of digital isolators, which utilize capacitive coupling technology for signal transmission. The family offers various channel configurations and isolation voltages to suit diverse electronic design needs. The SI88422EC specifically addresses applications requiring bidirectional data transfer with enhanced reliability compared to traditional optocoupler solutions.

Digital Isolators Replacement Considerations

Check Skyworks' official replacement guide for direct pin-compatible alternatives. Verify that any substitute maintains the same 5 kVrms isolation rating and 150 Mbps data rate. Ensure the replacement part supports the same 2.25 V to 5.5 V supply voltage range and compatible package dimensions for seamless board integration.