SI88344BC-ISR

Digital Isolators Overview

The SI88344BC-ISR is a Skyworks Solutions digital isolator featuring four unidirectional channels in a 24-SOIC package. It operates on a 3 V to 5.5 V supply with a maximum data rate of 100 Mb/s and isolation voltage of 5000 Vrms. The device exhibits a propagation delay of 18 ns, rise/fall times of 2.5 ns, and pulse width distortion of 4.5 ns. It supports an operating temperature range from -40°C to +125°C.

Digital Isolators Feature Summary

• Provides high-speed signal transmission via capacitive coupling technology.
• Ensures secure data transfer through robust 5000 Vrms insulation barriers.
• Delivers reliable operation within extended industrial temperature ranges.

Digital Isolators Applications

• Industrial automation systems
• Programmable logic controllers (PLC)
• Motor drive circuits

Digital Isolators Procurement Notes

Verify the specific suffix 'BC' against official Skyworks documentation to confirm the exact channel configuration and pinout compatibility for your design. Ensure that the 24-SOIC footprint matches your PCB layout requirements. Confirm that the 5000 Vrms isolation rating meets the safety standards required by your target application environment before finalizing procurement.

Digital Isolators Selection Notes

Select this component when designing systems requiring four isolated bidirectional or unidirectional data paths with high noise immunity. The 100 Mb/s speed and low propagation delay make it suitable for general-purpose serial communication interfaces. Consider the thermal performance and power consumption characteristics relative to your system's cooling capabilities and available voltage rails.

Digital Isolators Part Context

This part belongs to the Si8834x family of ISOvolt digital isolators, which integrate high-performance CMOS technology for superior reliability compared to traditional optocouplers. The series is designed to reduce size, cost, and power consumption while enhancing system-level reliability in demanding industrial environments.

Digital Isolators Replacement Considerations

SI88344BD-ISR is listed as a similar alternative by distributors, though availability may vary. Verify functional equivalence and pin compatibility before substitution.