SI88242EC-ISR

Digital Isolators Overview

The SI88242EC-ISR is a general-purpose digital isolator from Skyworks Solutions, utilizing capacitive coupling technology. It features four independent channels with unidirectional signal transmission. The device supports a data rate of 100 Mb/s and provides an isolation voltage of 5000 Vrms. It operates within a supply voltage range of 3 V to 5.5 V and functions across a temperature range of -40°C to +125°C. Packaged in a 20-SOIC (0.295", 7.50mm width) surface-mount format, it offers high common-mode transient immunity.

Digital Isolators Feature Summary

• Capacitive coupling architecture for robust signal isolation
• Four-channel unidirectional data transmission capability
• High common-mode transient immunity rating
• Automotive-grade reliability certification

Digital Isolators Applications

• Automotive electronic control units
• Industrial communication interfaces
• Power supply feedback loops
• Sensor signal isolation

Digital Isolators Procurement Notes

Verify the specific suffix 'ISR' against official Skyworks documentation to confirm package type and tape-and-reel configuration. Ensure the component meets automotive qualification standards required for the target application. Cross-reference the manufacturer part number with authorized distributor catalogs to validate authenticity and current availability status before finalizing procurement orders.

Digital Isolators Selection Notes

Select this component when four isolated channels are required for unidirectional signaling in harsh environments. The 5000 Vrms isolation rating suits high-voltage separation needs. Consider the 100 Mb/s data rate limit for bandwidth requirements. The wide operating temperature range supports industrial and automotive thermal conditions without additional cooling measures.

Digital Isolators Part Context

This part belongs to the Si8824x family of digital isolators. It complements other variants like the SI88242EC-IS by offering specific packaging configurations. The series emphasizes low power consumption and high reliability for interface applications requiring galvanic isolation between different voltage domains.

Digital Isolators Replacement Considerations

The SI88242BC-IS is listed as a similar substitute part number. Verify pinout compatibility and electrical parameter equivalence before substitution. Confirm that the alternative meets the same automotive qualification standards and package dimensions.