SI88342BC-ISR

Digital Isolators Overview

The SI88342BC-ISR is a general-purpose digital isolator manufactured by Skyworks Solutions Inc. It features four unidirectional channels with a 2/2 input-output configuration, housed in a 24-SOIC package. The device supports data rates up to 100Mbps and provides an isolation voltage of 5000Vrms. It operates within a supply voltage range of 3V to 5.5V and withstands a common-mode transient immunity of 40kV/µs. The component functions across a temperature range of -40°C to 125°C.

Digital Isolators Feature Summary

• Utilizes capacitive coupling technology for signal transmission across the isolation barrier
• Provides high common-mode transient immunity to ensure reliable operation in noisy environments
• Features low propagation delay and pulse width distortion for precise timing applications
• Offers a compact surface-mount package suitable for space-constrained designs

Digital Isolators Applications

• Industrial automation systems requiring galvanic isolation
• Medical equipment needing high-voltage safety barriers
• Power electronics interfaces for motor control and inverters
• General-purpose digital communication links between isolated domains

Digital Isolators Procurement Notes

Verify the specific suffix 'BC' against official Skyworks documentation to confirm it denotes the correct variant for your design requirements. Ensure that the 24-SOIC footprint matches your PCB layout constraints. Confirm compliance with RoHS3 standards if required by your manufacturing process. Check current availability status as this part may be subject to supply fluctuations.

Digital Isolators Selection Notes

Select this component when a four-channel unidirectional isolator with 5000Vrms capability is needed. Consider the 100Mbps data rate limit for high-speed interface requirements. Evaluate the 24-SOIC package size against available board space. Verify that the operating temperature range meets the environmental conditions of the target application.

Digital Isolators Part Context

This device belongs to the Si88342 family of digital isolators from Skyworks Solutions. The family utilizes proprietary capacitive isolation technology to provide robust performance in electrically noisy environments. These components are designed to replace traditional optocouplers while offering superior reliability and lower power consumption.

Digital Isolators Replacement Considerations

SI88342BD-ISR is listed as a similar substitute part number.