SI8641AB-AS

Digital Isolators Overview

The SI8641AB-AS is a Skyworks Solutions digital isolator from the Si864x series, featuring four channels with three unidirectional forward and one reverse channel. It utilizes capacitive coupling for isolation, supporting data rates up to 1 Mbps. The device operates within a supply voltage range of 2.5 V to 5.5 V and provides an insulation voltage of 2.5 kVrms. Packaged in a SOIC-Wide-16 format, it is designed for surface mount installation and functions across a temperature range of -40°C to +125°C.

Digital Isolators Feature Summary

• Capacitive coupling technology ensures high-speed signal transmission without magnetic interference.
• Integrated design eliminates the need for start-up initialization sequences.
• Wide operating supply voltage range supports diverse system power requirements.

Digital Isolators Applications

• Industrial automation control systems
• Medical equipment signal isolation
• General-purpose interface circuits

Digital Isolators Procurement Notes

Verify the specific suffix 'AS' against official Skyworks documentation to confirm package type and thermal characteristics. Ensure compatibility with moisture sensitivity levels during storage and handling. Cross-reference the datasheet for exact pinout configurations and electrical limits before integration into final designs.

Digital Isolators Selection Notes

Select this component when a 1 Mbps data rate and 2.5 kVrms isolation are sufficient for the application. Consider the SOIC-Wide-16 package constraints for PCB layout. Evaluate the unidirectional/reverse channel mix against signal flow requirements compared to fully bidirectional alternatives.

Digital Isolators Part Context

This part belongs to the Si864x family of digital isolators by Skyworks Solutions. These devices are characterized by their use of silicon dioxide (SiO2) isolation technology, offering robust performance in noisy environments. The family includes variants with different isolation voltages and data rates to suit various industrial and commercial needs.

Digital Isolators FAQ

Does the SI8641AB-AS require initialization upon power-up?

No, the device does not require start-up initialization, allowing immediate operation once powered.

What is the maximum data rate supported by this model?

The SI8641AB-AS supports a maximum data rate of 1 Mbps.