SI8631BT-ISR

Digital Isolators Overview

The SI8631BT-ISR is a unidirectional digital isolator from the Skyworks si863x series, utilizing capacitive coupling technology. It features three channels configured as two forward and one reverse channel within a 16-pin SOIC-Wide package. The device supports data rates up to 150 Mb/s with a typical propagation delay of 8 ns. It operates on a supply voltage range of 2.5 V to 5.5 V and offers an insulation voltage of 5000 Vrms. The component is qualified under AEC-Q100 standards for automotive applications and functions reliably across a temperature range of -40°C to +125°C.

Digital Isolators Feature Summary

• Capacitive coupling isolation technology for high reliability
• AEC-Q100 qualified for automotive environment suitability
• Unidirectional signal transmission capability
• General purpose interface support

Digital Isolators Applications

• Automotive electronic control units
• Industrial communication interfaces
• Power management systems requiring galvanic isolation

Digital Isolators Procurement Notes

Verify the specific suffix ISR indicates tape-and-reel packaging configuration distinct from tube variants. Confirm AEC-Q100 qualification status matches project requirements. Ensure the 16-SOIC-Wide footprint aligns with PCB layout constraints. Validate operating temperature range compliance for target thermal environments. Cross-reference datasheet revision history for any parameter updates.

Digital Isolators Selection Notes

Select this component when unidirectional isolation with high data rate is required in space-constrained designs. The wide SOIC package facilitates surface mount assembly. Consider the 5000 Vrms insulation rating for safety-critical applications. Evaluate power consumption against system budget constraints. Verify compatibility with logic levels supported by the 2.5 V to 5.5 V supply range.

Digital Isolators Part Context

Part of the si863x family of digital isolators offering robust performance in compact packages. Designed to replace optocouplers in modern high-speed applications. Provides enhanced common-mode transient immunity compared to traditional isolation methods. Integrates multiple channels in a single small form factor solution.

Digital Isolators Replacement Considerations

SI8631BT-IS serves as the tube-packaged equivalent with identical electrical characteristics. SI8631BD-B-ISR offers similar specifications in the same reel format but may differ in specific timing parameters or qualification details. Verify pinout compatibility before substitution.