SI8455BB-A-ISR

Digital Isolators Overview

The SI8455BB-A-ISR is a five-channel digital isolator from the Skyworks SI8455BA series, utilizing capacitive coupling technology. It operates within a supply voltage range of 2.7 V to 5.5 V and supports data rates up to 150 Mb/s. The device provides an insulation voltage of 2500 Vrms and features unidirectional signal transmission across five forward channels with zero reverse channels. Packaged in a 16-pin SOIC (SOIC-Narrow) surface-mount format, it ensures reliable isolation for general-purpose applications.

Digital Isolators Feature Summary

• Provides galvanic isolation via high-reliability capacitive coupling technology
• Supports high-speed data transmission at rates up to 150 Mb/s
• Integrates a shutdown function for power management control
• Offers robust electrical isolation rated at 2500 Vrms

Digital Isolators Applications

• General-purpose digital signal isolation
• Industrial communication bus interfaces
• Power electronics control circuits
• Medical equipment signal isolation

Digital Isolators Procurement Notes

Verify the specific suffix 'A' against datasheet documentation to confirm exact configuration variants. Confirm package type matches SOIC-16 requirements. Check for NRND status implications on long-term availability. Ensure voltage ratings align with system isolation needs. Validate humidity sensitivity handling during assembly.

Digital Isolators Selection Notes

Select this component when five isolated channels are required for unidirectional signals. Compare propagation delay specifications against timing constraints. Evaluate power dissipation limits relative to thermal design. Consider the 2500 Vrms rating for safety compliance. Assess compatibility with existing logic levels and supply voltages.

Digital Isolators Part Context

This part belongs to the Skyworks SI8455BA series of digital isolators. It shares core architectural features with other members like the SI8455BB-B-ISR but differs in insulation voltage ratings and specific suffix configurations. The series is designed for high-density isolation applications requiring multiple channels in compact packages.

Digital Isolators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.