SI8641BB-B-IU

Digital Isolators Overview

The SI8641BB-B-IU is a unidirectional digital isolator from the Si864x series, manufactured by Skyworks Solutions Inc. It features four channels with a capacitive coupling isolation type and a rated insulation voltage of 2500 Vrms. 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 2.375 V to 5.5 V and functions within a temperature range of -40°C to +125°C. Packaged in a 16-SSOP (QSOP) format, it includes a shutdown feature and exhibits a common-mode transient immunity of 35 kV/µs.

Digital Isolators Feature Summary

• Provides robust galvanic isolation via capacitive coupling technology for signal integrity across potential differences.
• Integrates a dedicated shutdown pin to minimize power consumption during inactive periods.
• Ensures high-speed data transmission with low propagation delay and jitter characteristics.

Digital Isolators Applications

• Industrial automation control systems requiring reliable signal isolation
• Power electronics monitoring and gate drive circuits
• General-purpose isolated communication interfaces

Digital Isolators Procurement Notes

Verify the specific suffix 'B' indicates the QSOP package variant when sourcing. Confirm that the component meets RoHS compliance standards as listed in official documentation. Ensure the supplier provides valid traceability records for automotive or industrial grade requirements if applicable. Cross-reference the manufacturer part number against distributor catalogs to avoid packaging discrepancies.

Digital Isolators Selection Notes

Select this model for applications requiring four independent unidirectional channels with moderate isolation voltage. Compare against higher voltage variants like the SI8641BT if enhanced isolation ratings are necessary. Consider the SI8641EC for wider SOIC packages if board space allows. Evaluate power consumption needs against the active current specifications provided in the datasheet.

Digital Isolators Part Context

This component belongs to the Si864x family of digital isolators, designed for general-purpose isolation tasks. It utilizes CMOS technology to achieve high performance while maintaining low power consumption. The family offers various package options and isolation ratings to suit diverse design constraints.

Digital Isolators FAQ

What is the maximum operating temperature for the SI8641BB-B-IU?

The maximum operating temperature is +125°C.

Does this device support bidirectional signal transmission?

No, the SI8641BB-B-IU is configured for unidirectional signal transmission only.