SI8621BT-IS2R

Digital Isolators Overview

The SI8621BT-IS2R is a two-channel digital isolator from Skyworks Solutions, utilizing proprietary capacitive coupling technology. It operates within a supply voltage range of 2.5 V to 5.5 V and supports data rates up to 150 Mb/s. The device features an isolation voltage of 5000 Vrms and offers a propagation delay of 8 ns with rise and fall times of 4 ns. It is housed in a 16-pin SOIC-Wide package, rated for operation between -40°C and +125°C, and includes a shutdown function.

Digital Isolators Feature Summary

• Capacitive coupling isolation technology
• Integrated shutdown control
• High common-mode transient immunity

Digital Isolators Applications

• Industrial automation systems
• Power supply monitoring circuits
• Motor control interfaces

Digital Isolators Procurement Notes

Verify the specific suffix 'IS2R' confirms the reel packaging format required for automated assembly processes. Ensure the order matches the exact part number to guarantee the correct tape-and-reel configuration and channel count. Cross-reference the manufacturer's latest documentation to confirm current production status and any potential obsolescence notices before finalizing procurement plans.

Digital Isolators Selection Notes

Select this component when high-speed signal transmission across isolated boundaries is required alongside robust noise immunity. The 150 Mb/s data rate and low propagation delay make it suitable for demanding communication protocols. Consider the wide operating temperature range and AEC-Q100 qualification if automotive or harsh industrial environments are involved.

Digital Isolators Part Context

This part belongs to the Si862x series of digital isolators, which are designed to replace traditional optocouplers in modern applications. The series leverages silicon dioxide (SiO2) insulation for superior reliability and performance compared to polymer-based alternatives. It provides a compact solution for galvanic isolation in space-constrained designs.

Digital Isolators Replacement Considerations

Direct replacements may include other Skyworks Si862x variants with different packaging options such as tube or cut tape formats. Verify that substitute parts maintain the same 16-pin SOIC-Wide footprint and electrical specifications to ensure board compatibility without redesign.