SI88344EC-ASR

Digital Isolators Overview

The SI88344EC-ASR is a general-purpose digital isolator from Skyworks Solutions, housed in a 24-SOIC package. It features four unidirectional channels with a data rate of 100 Mb/s and an isolation voltage of 5000 Vrms. The device operates on a supply voltage between 3 V and 5.5 V, consuming 10.8 mA of operating current. Propagation delay is typically 17.5 ns, with rise and fall times of 2.5 ns. It supports a pulse width distortion of 4.5 ns and functions within a temperature range of -40°C to +125°C.

Digital Isolators Feature Summary

• Provides high-speed signal transmission via capacitive coupling technology
• Offers robust electrical isolation for safety-critical applications
• Integrates shutdown functionality for power management

Digital Isolators Applications

• Automotive electronic systems requiring galvanic isolation
• Industrial communication interfaces such as CAN and LIN
• Medical equipment needing patient isolation barriers

Digital Isolators Procurement Notes

Verify the specific suffix ASR indicates reel packaging configuration against official Skyworks documentation. Confirm that the EC designation aligns with automotive qualification standards required for your application. Ensure compatibility with moisture sensitivity level requirements during assembly processes.

Digital Isolators Selection Notes

Select this component when four isolated bidirectional or unidirectional channels are needed with integrated DC-DC converter capabilities. Compare propagation delay specifications against system timing budgets. Evaluate thermal performance within the specified operating temperature range for reliable long-term operation.

Digital Isolators Part Context

This part belongs to the Si8834x family of automotive-grade digital isolators. These devices combine high-speed isolation with integrated power conversion, reducing external component count. The series is designed for demanding environments where reliability and signal integrity are paramount.

Digital Isolators Replacement Considerations

SI88344EC-ISR is a documented substitute offering similar specifications in tube packaging.