SI8631ED-B-IS

Digital Isolators Overview

The SI8631ED-B-IS is a Skyworks Solutions digital isolator featuring three unidirectional channels with capacitive coupling technology. It supports data rates up to 150 Mb/s and provides an insulation voltage of 5000 Vrms. The device operates within a supply voltage range of 2.5 V to 5.5 V, consuming approximately 3.9 mA of power. Key electrical parameters include a propagation delay of 8 ns, rise/fall times of 4 ns, and a common-mode transient immunity of 35 kV/µs. It functions reliably across an operating temperature range of -40°C to +125°C and is housed in a 16-SOIC package.

Digital Isolators Feature Summary

• High-speed signal transmission capability supporting 150 Mb/s data rates for efficient communication.
• Robust isolation performance with 5000 Vrms insulation voltage and high common-mode transient immunity.
• Ultra-low power consumption design suitable for energy-sensitive applications.

Digital Isolators Applications

• Automotive electronic systems requiring high-voltage isolation
• Industrial automation control circuits
• General-purpose digital isolation interfaces

Digital Isolators Procurement Notes

Verify the specific suffix 'B' indicates the wide SOIC package variant when sourcing. Confirm AEC-Q100 qualification status if automotive compliance is required, as this may vary by sub-part number. Ensure moisture sensitivity level requirements are met during storage and handling procedures.

Digital Isolators Selection Notes

Select this component for applications demanding high channel density with unidirectional signal flow. Consider the 16-SOIC footprint for board space constraints. Evaluate the 35 kV/µs CMTI rating against noise environments to ensure signal integrity without additional filtering.

Digital Isolators Part Context

This part belongs to the SI863x series of digital isolators from Skyworks Solutions. It utilizes proprietary capacitive coupling technology to provide reliable isolation without optical components. The series offers various channel configurations and voltage ratings to suit diverse interface needs.

Digital Isolators Replacement Considerations

SI8631BD-B-ISR shares similar specifications including 5000 Vrms isolation and 3-channel configuration. Verify package compatibility and exact parameter tolerances before substitution.