SI8640ED-AS2R

Digital Isolators Overview

The SI8640ED-AS2R is a Skyworks Solutions automotive-grade digital isolator featuring four unidirectional channels in a SOIC-16 package. It utilizes capacitive coupling technology to provide 5000 Vrms isolation voltage and supports data rates up to 150 Mb/s with a propagation delay of 8 ns. The device operates on a supply voltage range of 2.375 V to 5.5 V, drawing a typical operating current of 6.1 mA. It is qualified under AEC-Q100 standards for automotive applications and functions within a temperature range of -40°C to +125°C.

Digital Isolators Feature Summary

• Automotive-grade qualification ensuring reliability in vehicle environments
• Capacitive coupling technology providing high common-mode transient immunity
• Quad-channel unidirectional configuration for complex signal routing

Digital Isolators Applications

• Automotive powertrain control systems
• Inverter gate drive isolation
• On-board charger interfaces
• DC-DC converter feedback loops

Digital Isolators Procurement Notes

Verify the specific suffix 'AS2R' corresponds to the reel packaging format when sourcing components. Confirm that the device meets the required AEC-Q100 grade specifications for your target automotive application. Ensure compatibility with the SOIC-16 footprint during PCB layout validation. Cross-reference the manufacturer datasheet for any recent product change notifications affecting pinout or electrical characteristics.

Digital Isolators Selection Notes

Select this component for designs requiring robust galvanic isolation in automotive power electronics. The low propagation delay and high data rate support high-speed communication needs. Consider the wide operating temperature range for harsh environment deployment. Evaluate the unidirectional channel constraint against system signal flow requirements before finalizing the design.

Digital Isolators Part Context

This part belongs to the Si864x series of digital isolators from Skyworks Solutions. The series is designed for high-reliability applications requiring strong isolation barriers. The 'ED' designation typically indicates specific insulation and safety ratings compliant with international standards. The 'AS2R' suffix denotes the automotive grade qualification and reel packaging variant.

Digital Isolators Replacement Considerations

Direct replacements include other members of the Si864x family such as the SI8640BT-ASR or SI8645ET-AS2R, provided they match the SOIC-16 package and unidirectional channel configuration. Verify that substitute parts maintain the same AEC-Q100 qualification status and isolation voltage ratings.