SI8640EB-B-IU

Digital Isolators Overview

The SI8640EB-B-IU is a Skyworks Si864x series digital isolator featuring four forward channels with unidirectional signal transmission. It utilizes capacitive coupling technology to provide 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, exhibiting a propagation delay of 8 ns and rise/fall times of 4 ns. It is qualified under AEC-Q100 standards for automotive applications and functions reliably across a temperature range of -40°C to +125°C. Packaged in a QSOP-16 format, it includes a shutdown feature.

Digital Isolators Feature Summary

• Capacitive coupling isolation technology
• AEC-Q100 automotive qualification
• Integrated shutdown control

Digital Isolators Applications

• Automotive electronic systems
• Industrial communication interfaces
• General-purpose isolated signal transmission

Digital Isolators Procurement Notes

Verify the specific suffix 'B' indicates the correct package variant and thermal grade. Confirm that the QSOP-16 footprint matches the target PCB design. Ensure the component meets the required AEC-Q100 reliability standards for the intended application environment. Cross-reference the datasheet revision to confirm parameter consistency.

Digital Isolators Selection Notes

Select this model when four independent forward channels are required for galvanic isolation. The 2500 Vrms rating suits standard industrial isolation needs. Consider the 150 Mb/s speed limit for high-frequency signaling requirements. Verify compatibility with the system's logic voltage levels within the specified operating range.

Digital Isolators Part Context

This component belongs to the Si864x family of digital isolators from Skyworks Solutions. The family combines high-speed signal isolation with robust performance characteristics. The SI8640EB-B-IU specifically addresses applications requiring multiple isolated channels in a compact surface-mount package.

Digital Isolators Replacement Considerations

SI8640BB-B-IU offers identical electrical specifications but lacks the explicit automotive qualification designation.