SI88240EC-AS

Digital Isolators Overview

The SI88240EC-AS is a quad digital isolator manufactured by Skyworks Solutions Inc. It features four unidirectional channels with a data rate of 100 Mb/s and an isolation voltage of 5000 Vrms. The device operates within a supply voltage range of 3 V to 5.5 V, exhibiting a propagation delay of 18 ns. It utilizes capacitive coupling for signal transmission and includes a maximum common-mode transient immunity of 40 kV/µs. The component is housed in a 20-SOIC package and supports operation temperatures from -40°C to +125°C.

Digital Isolators Feature Summary

• Integrates four independent unidirectional digital isolation channels
• Provides high insulation voltage capability of 5000 Vrms
• Utilizes capacitive coupling technology for signal integrity
• Supports data rates up to 100 Mb/s

Digital Isolators Applications

• Industrial automation systems requiring galvanic isolation
• Medical equipment signal processing interfaces
• Power electronics control circuit isolation
• High-voltage measurement instrumentation

Digital Isolators Procurement Notes

Verify the specific suffix 'AS' against official Skyworks documentation to confirm packaging type and temperature grade. Ensure compatibility with required isolation standards such as UL or VDE if applicable. Cross-reference pinout configurations with the latest datasheet revision to avoid integration errors during PCB layout and assembly processes.

Digital Isolators Selection Notes

Select this component when four isolated channels are required without an integrated DC-DC converter. Compare against the SI88240EC-IS variant which includes power conversion capabilities. Evaluate the 5000 Vrms rating against system safety requirements. Consider the SOIC-20 footprint constraints and thermal performance characteristics for the specific application environment.

Digital Isolators Part Context

This part belongs to the Si88240 series of general-purpose digital isolators. It represents a family solution designed for robust noise immunity and reliable data transmission across isolation barriers. The series offers various channel counts and configuration options to suit diverse interface needs in modern electronic designs.

Digital Isolators Replacement Considerations

SI88240BC-AS: Offers similar quad-channel isolation but with a 5000 Vrms rating and tube packaging instead of reel. Verify pinout compatibility and thermal specifications before substitution.