SI88322BD-ISR

Digital Isolators Overview

The SI88322BD-ISR is a general-purpose digital isolator from Skyworks Solutions, featuring two reverse channels and zero forward channels. It operates with unidirectional signal flow and utilizes capacitive coupling technology for isolation. The device supports data rates up to 100 Mb/s with a maximum propagation delay of 18 ns. It provides an insulation voltage of 5000 Vrms and includes an integrated DC-DC converter. The component functions within a supply voltage range of 3 V to 5.5 V and is housed in a 20-SOIC wide package.

Digital Isolators Feature Summary

• Integrates a high-voltage DC-DC converter to power the isolated side without external components
• Provides robust capacitive coupling isolation rated at 5000 Vrms
• Features unidirectional signal transmission with dedicated reverse channel configuration

Digital Isolators Applications

• Industrial automation systems requiring galvanic isolation
• Power monitoring circuits in energy management infrastructure
• General-purpose interface isolation in electronic control units

Digital Isolators Procurement Notes

Verify the specific suffix ISR indicates reel packaging configuration distinct from tube variants. Confirm RoHS compliance status through official documentation prior to integration. Check current lifecycle status as NRND to assess long-term availability risks for production planning. Ensure thermal dissipation requirements align with the specified power dissipation limits during operation.

Digital Isolators Selection Notes

Select this component when bidirectional isolation is not required due to its unidirectional architecture. The integrated DC-DC converter simplifies board layout by eliminating external transformer requirements. Consider the 20-SOIC wide package dimensions for footprint compatibility. Evaluate the 100 Mb/s data rate against system timing constraints to ensure signal integrity across the isolation barrier.

Digital Isolators Part Context

This part belongs to the Si88322 series of digital isolators designed for general-purpose applications. It shares architectural similarities with other members like the SI88320BD-ISR but differs in channel configuration and specific pinout arrangements. The series emphasizes compact integration of isolation and power conversion technologies.

Digital Isolators Replacement Considerations

Public confirmed substitute: SI88322BC-ISR.