SI88640EC-AS

Overview

The SI88640EC-AS is a Skyworks Solutions digital isolator featuring four unidirectional channels in a 24-SOIC package. It operates on a supply voltage between 3 V and 5.5 V with a data rate of 100 Mb/s. The device provides an insulation voltage of 5000 Vrms and a common-mode transient immunity of 40 kV/µs. Key timing parameters include a propagation delay of 18 ns, rise/fall times of 25 ns, and pulse width distortion of 4.5 ns. It functions within a temperature range of -40°C to +125°C.

Feature Summary

• Provides galvanic isolation for four independent signal paths
• Supports high-speed digital communication at 100 Mb/s
• Features robust common-mode transient immunity
• Operates across extended industrial temperature ranges

Applications

• Industrial automation control systems
• Medical equipment signal isolation
• Power electronics gate drive interfaces
• Data acquisition systems

Procurement Notes

Verify the specific suffix AS against official Skyworks documentation to confirm pinout and electrical characteristics. Ensure compatibility with 3 V to 5.5 V logic levels. Confirm RoHS compliance status through manufacturer datasheets before integration into regulated environments.

Selection Notes

Select this component when four-channel unidirectional isolation is required. Compare against the SI88640EC-IS variant if higher insulation voltage ratings are necessary. Evaluate thermal management requirements for the SOIC-24 package under continuous operation conditions.

Part Context

This part belongs to the Si88640 series of general-purpose digital isolators from Skyworks Solutions. The series integrates capacitive isolation technology to provide reliable signal transmission across isolated boundaries while maintaining low power consumption and high speed performance.

Replacement Considerations

Public confirmed substitute part numbers: SI88640EC-ISR, SI88640EC-IS.