SI8640BC-B-IS1

Digital Isolators Overview

The SI8640BC-B-IS1 is a Skyworks Solutions Inc. digital isolator featuring four independent channels with unidirectional signal paths. It utilizes capacitive coupling technology to provide an insulation voltage of 3750 Vrms. The device supports data rates up to 150 Mbps and exhibits a maximum propagation delay of 13 ns. It operates within a supply voltage range of 2.375 V to 5.5 V and functions reliably across a temperature range of -40°C to +125°C. The component is housed in a 16-SOIC package.

Digital Isolators Feature Summary

• Provides robust galvanic isolation via high-reliability capacitive coupling technology.
• Supports high-speed data transmission with a maximum rate of 150 Mbps.
• Features low propagation delay for precise timing control in digital circuits.
• Operates over an extended industrial temperature range for harsh environments.

Digital Isolators Applications

• Industrial automation systems requiring reliable signal isolation
• Power management circuits for monitoring and control
• Medical equipment needing enhanced safety isolation
• Communication interfaces between different voltage domains

Digital Isolators Procurement Notes

Verify the specific suffix 'B' against the official Skyworks datasheet to confirm pinout and functional compatibility, as variations exist within the family. Ensure the SOIC-16 package dimensions match your PCB footprint requirements. Confirm that the 3750 Vrms isolation rating meets the safety standards of your target application. Check RoHS compliance status if required by your manufacturing process.

Digital Isolators Selection Notes

Select this component when four isolated channels are necessary for unidirectional signals. It is suitable for applications demanding high common-mode transient immunity and fast switching speeds. Consider the 16-pin form factor for space-constrained designs. Evaluate the 2.375 V to 5.5 V supply range against your system's power architecture to ensure proper logic level translation and operation.

Digital Isolators Part Context

This part belongs to the Si864x series of digital isolators from Skyworks Solutions. The series is characterized by its use of silicon dioxide (SiO2) isolation technology, which offers superior reliability compared to traditional polymer-based solutions. The SI8640 variant specifically provides four channels, distinguishing it from dual-channel or single-channel counterparts in the same family.

Digital Isolators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Verify cross-reference options through official Skyworks documentation or authorized distributor databases before implementation.