SI86SO21BE-AS4R

Digital Isolators Overview

The SI86SO21BE-AS4R is a Skyworks Solutions digital isolator featuring two unidirectional channels with inverting outputs. It utilizes capacitive coupling technology to provide electrical isolation rated at 6.0 kVrms. The device supports data transmission rates up to 150 Mbps and operates within a supply voltage range of 2.25 V to 5.5 V. Designed for automotive applications, it functions reliably across an extended temperature range from -40 °C to +125 °C. The component is supplied in an SSO-8 package on a tape and reel basis.

Digital Isolators Feature Summary

• Provides galvanic isolation via high-reliability capacitive coupling technology
• Features two independent unidirectional signal channels with inverting logic outputs
• Engineered specifically for automotive-grade reliability and environmental stability

Digital Isolators Applications

• Automotive electronic control units requiring isolated communication interfaces
• Industrial motor drives and power conversion systems
• Medical equipment needing enhanced safety isolation barriers

Digital Isolators Procurement Notes

Verify the specific suffix 'AS4R' confirms the tape and reel packaging format required for automated surface-mount assembly processes. Ensure the automotive qualification status aligns with your system's functional safety requirements. Confirm that the inverting output polarity matches your circuit design logic expectations before finalizing procurement orders.

Digital Isolators Selection Notes

Select this component when dual-channel isolation with inverting functionality is required in space-constrained automotive designs. The SSO-8 package offers a compact footprint suitable for dense PCB layouts. Consider the 6.0 kVrms isolation rating for applications demanding robust noise immunity and safety compliance in high-voltage environments.

Digital Isolators Part Context

This part belongs to the Si86SO2x series of automotive digital isolators from Skyworks Solutions. The series emphasizes high reliability and performance in harsh operating conditions typical of modern vehicle electronics. The 'SI86SO' prefix indicates the specific family architecture optimized for automotive standards.

Digital Isolators Replacement Considerations

The SI86SO21BE-AS4 is the tube-packaged equivalent of this reel-based component. Verify pinout compatibility if substituting with other automotive digital isolators from different manufacturers.