SI88220ED-AS

Digital Isolators Overview

The SI88220ED-AS is a dual-channel digital isolator from the Si88220 series, manufactured by Skyworks Solutions. It features an integrated DC-DC converter providing 5000 Vrms isolation voltage and supports data rates up to 100 Mb/s. The device operates on a single supply voltage between 3 V and 5.5 V with a typical quiescent current of 7.2 mA per channel. It utilizes capacitive coupling technology for signal transmission and offers a propagation delay of 18 ns. The component is housed in a 16-pin SOIC-Wide package and is rated for operation within a temperature range of -40°C to +125°C.

Digital Isolators Feature Summary

• Integrates a high-efficiency DC-DC converter to provide isolated power and signal channels within a single package.
• Utilizes CMOS-based capacitive coupling technology to achieve high reliability and low power consumption compared to optical isolators.
• Provides robust common-mode transient immunity to ensure accurate data transmission in electrically noisy environments.

Digital Isolators Applications

• Industrial automation systems requiring galvanic isolation
• Inverter and motor drive control circuits
• Programmable logic controller (PLC) input/output modules

Digital Isolators Procurement Notes

Verify the specific suffix 'AS' against the manufacturer's official datasheet to confirm pinout compatibility and packaging type. Ensure that the integrated DC-DC converter requirements align with your system's power budget and isolation voltage standards before integration.

Digital Isolators Selection Notes

Select this component when a compact solution combining signal isolation and isolated power delivery is required. It serves as a direct replacement for traditional optocoupler plus external DC-DC converter combinations, reducing board space and component count in high-speed digital communication interfaces.

Digital Isolators Part Context

This part belongs to the Si88xx ISOvolt family of digital isolators from Skyworks Solutions. These devices are designed to replace legacy optocouplers in industrial applications, offering superior performance metrics including higher data rates, lower power consumption, and enhanced long-term reliability through advanced CMOS manufacturing processes.

Digital Isolators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing designs by comparing pin configurations and electrical specifications with alternative Skyworks isolator models.