SI8640EB-AU

Digital Isolators Overview

The SI8640EB-AU is a Skyworks Solutions digital isolator featuring four unidirectional channels with capacitive coupling technology. It provides an insulation voltage of 2500 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 and exhibits a propagation delay of 8 ns. It is qualified under AEC-Q100 standards for automotive applications, ensuring reliability in harsh environments.

Digital Isolators Feature Summary

• Four-channel unidirectional signal isolation using robust capacitive coupling technology
• Automotive-grade qualification compliant with AEC-Q100 standards for high reliability
• Integrated shutdown functionality to minimize power consumption during idle states

Digital Isolators Applications

• Automotive telematics systems requiring isolated communication interfaces
• Advanced Driver Assistance Systems (ADAS) sensor isolation
• Industrial motor control circuits needing high-speed signal separation
• Power electronics gate drive isolation in renewable energy inverters

Digital Isolators Procurement Notes

Verify the specific suffix 'AU' corresponds to the QSOP-16 package configuration as documented in official Skyworks datasheets. Confirm that the AEC-Q100 qualification status aligns with your project's automotive reliability requirements. Ensure compatibility with the specified 2.375 V to 5.5 V operating voltage range for your target application circuit design.

Digital Isolators Selection Notes

Select this component when four independent unidirectional isolation channels are required within an automotive or industrial environment. The choice is driven by the need for AEC-Q100 compliance combined with high common-mode transient immunity. Consider the QSOP-16 footprint constraints and the 150 Mb/s data rate capability against system timing requirements.

Digital Isolators Part Context

This part belongs to the Si864x family of digital isolators from Skyworks Solutions. The series combines high-speed signal isolation with low-power operation. The SI8640EB-AU specifically targets automotive markets, offering enhanced durability compared to standard commercial variants while maintaining the core performance characteristics of the broader isolator portfolio.

Digital Isolators Replacement Considerations

Direct substitutes include other parts within the Si864x family such as the SI8640BB-AU or SI8640BT-IS, provided they match the required channel count and isolation voltage. Verify package compatibility and thermal performance when swapping between different suffixes or manufacturers.