SI8645BC-AS1R

Digital Isolators Overview

The SI8645BC-AS1R is a four-channel digital isolator from the Si864x series, manufactured by Skyworks Solutions. It features unidirectional signal transmission with a data rate of 150 Mb/s and a propagation delay of 8 ns. The device provides an insulation voltage of 3750 Vrms using capacitive coupling technology. It operates on a supply voltage range of 2.375 V to 5.5 V, with a typical operating current of 6.1 mA. The component is housed in a 16-pin SOIC-Narrow package and is qualified under AEC-Q100 standards for automotive applications.

Digital Isolators Feature Summary

• Provides high-voltage isolation via capacitive coupling technology
• Supports unidirectional data transmission at high speeds
• Qualified for automotive reliability standards

Digital Isolators Applications

• Automotive electronic control units
• Industrial communication interfaces
• Power conversion systems

Digital Isolators Procurement Notes

Verify the specific suffix AS1R against official Skyworks documentation to confirm reel packaging and automotive grade status. Ensure the part number matches the exact datasheet revision required for your design. Cross-reference the manufacturer's latest release notes for any pinout or electrical parameter updates before finalizing procurement orders.

Digital Isolators Selection Notes

Select this component when automotive qualification and 3750 Vrms isolation are required for four-channel unidirectional signals. Compare against other Si864x variants if different insulation voltages or bidirectional capabilities are needed. Consider the SOIC-Narrow package constraints and thermal dissipation requirements relative to the 6.1 mA operating current.

Digital Isolators Part Context

This part belongs to the Si864x family of digital isolators, which utilizes Skyworks' proprietary capacitive isolation technology. The family offers various insulation levels and channel configurations. The SI8645BC-AS1R specifically targets automotive markets requiring robust noise immunity and high-speed data integrity across isolated boundaries.

Digital Isolators Replacement Considerations

Check Skyworks documentation for direct replacements within the Si864x series that may offer different insulation ratings or package options. Verify compatibility with existing board layouts and isolation barrier requirements before substituting.