SI88343EC-AS

Digital Isolators Overview

The SI88343EC-AS is a digital isolator from Skyworks Solutions, housed in a SOIC-24 package. It features four channels with unidirectional polarity, supporting data rates up to 100 Mb/s. The device provides an insulation voltage of 5000 Vrms and operates within a supply voltage range of 3 V to 5.5 V. Key timing parameters include a propagation delay of 18 ns, rise and fall times of 2.5 ns, and pulse width distortion of 4.5 ns. It functions without a shutdown mode and withstands temperatures from -40°C to +125°C.

Digital Isolators Feature Summary

• Provides high-voltage isolation via capacitive coupling technology
• Integrates four independent signal channels for complex system interfacing
• Supports high-speed data transmission at 100 Mb/s rates
• Operates reliably across extended industrial temperature ranges

Digital Isolators Applications

• Industrial automation control systems
• Power monitoring and measurement equipment
• Medical instrumentation requiring galvanic isolation
• Communication interfaces in noisy environments

Digital Isolators Procurement Notes

Verify the specific suffix AS against official Skyworks documentation to confirm pinout and thermal characteristics. Ensure compatibility with SOIC-24 footprints during PCB layout. Confirm moisture sensitivity levels and reflow soldering profiles prior to assembly. Cross-reference datasheet revisions to ensure design stability. Validate insulation ratings against application safety standards.

Digital Isolators Selection Notes

Select this component when high isolation voltage and unidirectional signal transfer are required. The 100 Mb/s speed suits moderate bandwidth applications. Consider the SOIC-24 form factor for space-constrained designs. Evaluate the absence of a shutdown feature against power management needs. Compare CMTI specifications if high dv/dt immunity is critical for the specific environment.

Digital Isolators Part Context

This part belongs to the Si88343 series of digital isolators. It utilizes Skyworks' proprietary capacitive isolation technology. The series offers various channel configurations and insulation ratings. The EC-AS variant specifically denotes the 5000 Vrms insulation level and standard operating conditions.

Digital Isolators Replacement Considerations

Check SI88343BD-AS for similar specifications within the same family. Verify channel count and insulation voltage compatibility before substitution.