SI8640BC-AS1R

Digital Isolators Overview

The SI8640BC-AS1R is a Skyworks Solutions automotive-grade digital isolator featuring four independent channels with unidirectional signal transmission. It utilizes capacitive coupling technology to provide an isolation voltage of 3750 Vrms. The device supports data rates up to 150 Mb/s and operates within a supply voltage range of 2.375 V to 5.5 V. Key electrical parameters include a propagation delay of 8 ns, rise/fall times of 4 ns, and pulse width distortion of 5 ns. It is housed in a SOIC-Narrow-16 package and complies with AEC-Q100 standards for automotive applications.

Digital Isolators Feature Summary

• Automotive qualification compliant with AEC-Q100 standards
• Capacitive coupling isolation technology
• Four-channel unidirectional signal transmission
• High-speed data rate support up to 150 Mb/s

Digital Isolators Applications

• Automotive electronic control units (ECUs)
• Inverter gate drive circuits
• Motor control systems
• Industrial automation interfaces

Digital Isolators Procurement Notes

Verify the specific suffix 'AS1R' indicates reel packaging when sourcing components. Confirm that the part meets the required AEC-Q100 grade for your specific automotive application environment. Ensure compatibility with the SOIC-NB-16 footprint during PCB layout. Cross-reference datasheet revisions to confirm parameter consistency.

Digital Isolators Selection Notes

Select this component for applications requiring high-speed isolation in automotive environments. The unidirectional configuration suits point-to-point communication links. Consider the 3750 Vrms isolation rating for safety-critical barriers. Evaluate power consumption against system thermal constraints given the operating current specifications.

Digital Isolators Part Context

This part belongs to the Si864x series of digital isolators from Skyworks Solutions. It is designed specifically for robust performance in electric vehicle and hybrid vehicle architectures. The series offers various channel counts and isolation voltages to suit different interface requirements.

Digital Isolators Replacement Considerations

SI8640BC-B-IS1 is a tube-packaged equivalent within the same family. Verify pinout and electrical specifications match before substitution.