SI8645BA-C-IU

Digital Isolators Overview

The SI8645BA-C-IU is a Skyworks Solutions digital isolator featuring four unidirectional channels with capacitive coupling technology. It provides an insulation voltage of 1000 Vrms and supports data rates up to 150 Mb/s. The device operates within a supply voltage range of 2.375 V to 5.5 V, exhibiting a propagation delay of 8 ns. It is housed in a 16-QSOP package and functions reliably across a temperature range of -40°C to +125°C.

Digital Isolators Feature Summary

• Four-channel unidirectional signal isolation using capacitive coupling
• High common-mode transient immunity for noise rejection
• Wide operating supply voltage range supporting various logic levels

Digital Isolators Applications

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

Digital Isolators Procurement Notes

Verify the specific suffix 'C' against official Skyworks documentation to confirm pinout or electrical variations compared to standard variants. Ensure the QSOP-16 package matches the target PCB footprint requirements. Confirm AEC-Q100 qualification status if automotive reliability is required for the application environment.

Digital Isolators Selection Notes

Select this component when high-density four-channel isolation is needed in a small surface-mount package. It is suitable for applications requiring robust noise immunity and fast switching speeds. Consider the 1 kV isolation rating relative to system safety standards and ensure the thermal dissipation capabilities meet the operational power constraints.

Digital Isolators Part Context

This part belongs to the Si864x series of digital isolators from Skyworks Solutions. The series utilizes proprietary capacitive isolation technology to replace traditional magnetic transformers. The SI8645 variant specifically offers four forward channels, providing a compact solution for multi-line data transmission in isolated environments.

Digital Isolators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.