SI88441EC-AS

Digital Isolators Overview

The SI88441EC-AS is a general-purpose digital isolator manufactured by Skyworks Solutions, Inc. It features four channels with unidirectional signal transmission capability. The device operates within a supply voltage range of 3 V to 5.5 V and supports data rates up to 100 Mb/s. It provides an insulation voltage of 5000 Vrms and exhibits a propagation delay of 18 ns. The component is housed in a 20-SOIC package and functions reliably across an operating temperature range from -40°C to +125°C.

Digital Isolators Feature Summary

• Utilizes capacitive coupling technology for high-speed digital isolation
• Integrates a DC-DC converter for independent power domain operation
• Provides robust common-mode transient immunity

Digital Isolators Applications

• Industrial automation systems requiring galvanic isolation
• Medical equipment signal interface circuits
• Power electronics control gate drive isolation

Digital Isolators Procurement Notes

Verify the specific suffix AS against official Skyworks documentation to confirm pinout and packaging details. Ensure compatibility with system voltage levels and thermal requirements before integration. Check current availability status as distribution may vary by region.

Digital Isolators Selection Notes

Select this component when four-channel unidirectional isolation with integrated power conversion is required. Consider the SOIC-20 footprint constraints and the 100 Mb/s data rate limit. Evaluate thermal performance within the specified industrial temperature range during design.

Digital Isolators Part Context

This part belongs to the Si8844x family of digital isolators from Skyworks Solutions. These devices are designed to replace traditional optocouplers in applications demanding higher reliability, lower power consumption, and improved speed. The family offers various channel configurations and isolation ratings.

Digital Isolators FAQ

What type of isolation technology does the SI88441EC-AS use?

It utilizes silicon dioxide (SiO2) capacitive coupling technology for signal transmission across the isolation barrier.

Does the SI88441EC-AS include an integrated power supply?

Yes, it includes an integrated DC-DC converter that allows the isolated side to operate independently without an external power source.