SI8641BA-B-IUR

Digital Isolators Overview

The SI8641BA-B-IUR is a general-purpose digital isolator from the Si864x series, manufactured by Skyworks Solutions Inc. It features four channels with a configuration of three forward and one reverse path. The device utilizes capacitive coupling technology to provide an isolation voltage of 1000 Vrms. It supports data rates up to 150 Mb/s with a typical propagation delay of 13 ns. The component operates within a supply voltage range of 2.5 V to 5.5 V and offers a common-mode transient immunity of 35 kV/µs. It is housed in a 16-SSOP package and functions across a temperature range of -40°C to +125°C.

Digital Isolators Feature Summary

• Provides high-speed signal transmission with a data rate of 150 Mb/s using capacitive coupling technology.
• Features a quad-channel architecture consisting of three unidirectional forward paths and one reverse path.
• Delivers robust noise immunity with a common-mode transient rejection capability of 35 kV/µs.

Digital Isolators Applications

• Industrial automation systems requiring galvanic isolation
• Power monitoring circuits for energy management
• General-purpose digital communication interfaces

Digital Isolators Procurement Notes

Verify that the ordering suffix matches the required tape-and-reel packaging format. Confirm the specific insulation rating and channel directionality align with the design requirements. Ensure the operating temperature range meets the environmental constraints of the target application.

Digital Isolators Selection Notes

Select this component when a 1000 Vrms isolation barrier is sufficient for the system. Choose this part over higher-rated variants if cost optimization is prioritized while maintaining high-speed data transfer capabilities. Consider the 16-SSOP footprint for surface-mount assembly compatibility.

Digital Isolators Part Context

This part belongs to the Si864x family of low-power digital isolators. It shares the core capacitive coupling architecture with other members like the SI8641BB but differs in insulation voltage ratings and specific channel configurations. The family is designed for applications demanding reliable signal transmission across isolated boundaries.

Digital Isolators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify pinout and electrical specifications before considering any alternative components from different manufacturers.