SI8641ED-AS2

Digital Isolators Overview

The SI8641ED-AS2 is a low-power, quad-channel digital isolator from Skyworks Solutions. It features four unidirectional channels with three forward and one reverse configuration. The device utilizes capacitive coupling technology to provide galvanic isolation rated at 5000 Vrms. It supports data rates up to 150 Mb/s with a typical propagation delay of 8 ns. Operating on a supply voltage range of 2.375 V to 5.5 V, it is designed for automotive applications and holds AEC-Q100 qualification. The component is housed in a SOIC-Wide-16 package.

Digital Isolators Feature Summary

• Provides high-voltage galvanic isolation between circuit domains using capacitive coupling technology.
• Supports high-speed data transmission with a maximum rate of 150 Mb/s.
• Optimized for low power consumption suitable for battery-operated systems.
• Engineered for reliability in harsh environments with automotive grade certification.

Digital Isolators Applications

• Automotive electronic control units requiring signal isolation
• Industrial communication interfaces such as CAN and LIN buses
• Medical equipment needing patient isolation barriers
• Power conversion systems with gate drive isolation

Digital Isolators Procurement Notes

Verify the specific suffix AS2 against the manufacturer's current datasheet to confirm pinout and packaging details. Ensure compatibility with the target system's voltage levels and isolation requirements. Check for RoHS compliance status relevant to your region. Confirm availability through authorized distributors as stock levels fluctuate. Validate that the AEC-Q100 qualification meets your automotive project standards.

Digital Isolators Selection Notes

Choose this component when four isolated channels are required for unidirectional signal transmission. It is suitable for designs needing 5 kVrms isolation strength. Consider its low power profile if energy efficiency is critical. Verify that the SOIC-WB-16 package fits the PCB layout constraints. Compare performance metrics like propagation delay against other isolators if timing precision is paramount.

Digital Isolators Part Context

This part belongs to the Si864x series of digital isolators by Skyworks Solutions. The series focuses on providing robust isolation for automotive and industrial applications. It complements other variants in the lineup that may offer bidirectional channels or different isolation ratings. The family is known for integrating capacitive sensing technology within the isolation barrier.

Digital Isolators Replacement Considerations

The SI8641ED-B-IS2 is listed as a parametric equivalent in distributor databases. Verify electrical specifications and pin compatibility before substitution. Other Skyworks variants in the Si864x family may serve as alternatives depending on channel directionality needs.