SI8641ED-AS2R

Digital Isolators Overview

The SI8641ED-AS2R is a low-power, quad-channel digital isolator from Skyworks Solutions Inc., featuring three forward and one reverse channel. It utilizes capacitive coupling technology to provide an insulation voltage of 5000 Vrms. The device supports data rates up to 150 Mb/s with a propagation delay of 8 ns. It operates within a supply voltage range of 2.375 V to 5.5 V and functions across a temperature range of -40°C to +125°C. Packaged in SOIC-Wide-16, it offers high pulse width stability of 5 ns.

Digital Isolators Feature Summary

• Provides galvanic isolation via capacitive coupling technology for robust signal transmission.
• Features unidirectional channel configuration with three forward and one reverse path.
• Supports high-speed data communication with a maximum rate of 150 Mb/s.
• Designed for automotive applications with AEC-Q100 qualification.

Digital Isolators Applications

• Automotive electronic control units requiring high-voltage isolation
• Industrial automation systems needing reliable signal separation
• Power supply circuits demanding safe voltage level shifting

Digital Isolators Procurement Notes

Verify the specific suffix AS2R against the manufacturer's official datasheet to confirm package type and tape-and-reel specifications. Ensure compatibility with the required operating temperature range and supply voltage levels. Cross-reference the part number with authorized distributors to confirm authenticity and current availability status before procurement.

Digital Isolators Selection Notes

Select this component when high-speed data isolation is required alongside automotive reliability standards. The 5 kVrms insulation rating suits applications with significant potential differences between circuits. Consider the SOIC-Wide-16 package for board space constraints. Verify that the 150 Mb/s data rate meets the system's timing requirements.

Digital Isolators Part Context

This part belongs to the Si864x series of digital isolators from Skyworks Solutions. It is designed as a low-power alternative to traditional optocouplers, offering faster switching speeds and smaller form factors. The series is widely used in industrial and automotive sectors where safety and performance are critical.

Digital Isolators Replacement Considerations

Check for direct substitutes within the Si864x family, such as SI8641ED-B-IS2 or SI8641ET-AS2, ensuring pinout and electrical parameters match. Verify that any replacement maintains the same insulation voltage and data rate capabilities for circuit integrity.