SI8645BT-IS2

Digital Isolators Overview

The SI8645BT-IS2 is a general-purpose digital isolator from the Si864x series, manufactured by Skyworks Solutions Inc. It features four unidirectional channels with a data rate of 150 Mb/s and an insulation voltage of 5000 Vrms. The device utilizes capacitive coupling technology and operates within a supply voltage range of 2.375 V to 5.5 V. It exhibits a propagation delay of 8 ns and functions across a temperature range of -40°C to +125°C. Packaged in a 16-SOIC wide format, it supports AEC-Q100 qualification for automotive applications.

Digital Isolators Feature Summary

• Provides galvanic isolation in mixed-signal systems using capacitive coupling technology
• Features four unidirectional signal channels for general-purpose digital isolation
• Supports high common-mode transient immunity for reliable noise rejection
• Includes shutdown functionality to minimize power consumption during idle states

Digital Isolators Applications

• Industrial automation and control systems
• Automotive electronics requiring AEC-Q100 compliance
• Mixed-signal circuit isolation interfaces
• General-purpose digital communication links

Digital Isolators Procurement Notes

Verify the specific suffix IS2 against official Skyworks documentation to confirm package type and tape-and-reel specifications. Ensure compatibility with required isolation voltages and operating temperatures. Confirm RoHS compliance status through current datasheets. Check for regional distribution restrictions or limited availability notices before finalizing procurement plans.

Digital Isolators Selection Notes

Select this component when four unidirectional isolated channels are required for general-purpose applications. Consider the 150 Mb/s data rate and 5000 Vrms insulation rating for system requirements. Evaluate the SOIC-16 package dimensions for PCB layout constraints. Verify that the 2.375 V to 5.5 V supply range matches the target system voltage levels.

Digital Isolators Part Context

The SI8645BT-IS2 belongs to the Si864x family of digital isolators from Skyworks Solutions. This series is designed for robust performance in noisy environments. The part integrates capacitive isolation technology to replace traditional magnetic couplers. It offers high reliability and low power consumption compared to legacy solutions.

Digital Isolators Replacement Considerations

Consult official Skyworks substitution guides for verified alternatives. Cross-reference channel count, insulation voltage, and package dimensions. Ensure functional equivalence in data rate and operating temperature range before replacing.