SI8631BB-B-ISR

Digital Isolators Overview

The SI8631BB-B-ISR is a Skyworks Solutions digital isolator featuring three channels with a unidirectional configuration of two forward and one reverse path. It utilizes capacitive coupling technology to provide an isolation voltage of 2500 Vrms. The device supports data rates up to 150 Mb/s with a maximum propagation delay of 13 ns. It operates within a supply voltage range of 2.5 V to 5.5 V and withstands a common-mode transient immunity of 35 kV/µs. Packaged in a 16-SOIC (0.295 inch, 7.50 mm wide) format, it functions across temperatures from -40°C to +125°C.

Digital Isolators Feature Summary

• Capacitive coupling architecture ensures robust signal transmission without magnetic interference.
• High common-mode transient immunity protects against noise spikes in harsh environments.
• No start-up initialization required for immediate operational readiness upon power application.

Digital Isolators Applications

• Industrial automation control systems
• Power management circuitry isolation
• General-purpose digital communication interfaces

Digital Isolators Procurement Notes

Verify the specific suffix 'B' indicates the wide SOIC package variant when sourcing replacements. Confirm that the 'R' suffix denotes reel packaging suitable for automated assembly lines. Ensure compatibility with standard surface-mount reflow profiles. Check for AEC-Q100 qualification if automotive-grade reliability is required for the target application environment.

Digital Isolators Selection Notes

Select this component for applications requiring high-speed data transfer alongside galvanic isolation. The 150 Mbps rate suits most industrial protocols. Consider the 2500 Vrms rating for basic insulation needs. The wide SOIC footprint may impact PCB density compared to narrow variants. Evaluate thermal dissipation requirements given the operating temperature range and power consumption characteristics.

Digital Isolators Part Context

This part belongs to the SI863x series of digital isolators from Skyworks Solutions. It represents a general-purpose solution designed for replacing traditional optocouplers in modern electronic designs. The series emphasizes low latency and high reliability for diverse interface applications.

Digital Isolators Replacement Considerations

• ADUM231E1BRWZ

Digital Isolators FAQ

What is the channel configuration of the SI8631BB-B-ISR?

It features a 2/1 configuration, consisting of two forward channels and one reverse channel.

Does the device require initialization before operation?

No, the device does not require any start-up initialization and is ready to operate immediately.