SI8718BC-A-IS

Digital Isolators Overview

The SI8718BC-A-IS is a single-channel digital isolator from Skyworks Solutions Inc., utilizing capacitive coupling technology. It offers a high data rate of 15 Mb/s with a typical propagation delay of 30 ns and rise/fall times of 2.5 ns. The device supports supply voltages between 2.5 V and 5.5 V, consuming approximately 1.7 mA of operating current. It provides an insulation voltage of 3.75 kVrms and a common-mode transient immunity (CMTI) of 35 kV/µs. Operating temperatures range from -40°C to +125°C, housed in an 8-SOIC package.

Digital Isolators Feature Summary

• Capacitive coupling isolation for robust signal transmission
• High common-mode transient immunity of 35 kV/µs
• Low power consumption suitable for battery-operated systems
• Wide operating temperature range for industrial environments

Digital Isolators Applications

• Industrial automation and process control systems
• Medical equipment requiring galvanic isolation
• Power management circuits and motor drives
• Smart grid and energy metering applications

Digital Isolators Procurement Notes

Verify the specific suffix 'A-IS' against the manufacturer's latest documentation to confirm pinout and electrical specifications. Note that this component may be obsolete; check for recommended replacements if availability is critical. Ensure compliance with RoHS directives and AEC-Q100 qualification requirements if automotive use is intended. Confirm package dimensions match PCB footprint constraints before ordering.

Digital Isolators Selection Notes

Select this component when high-speed digital isolation is required with minimal power overhead. The 15 Mb/s data rate suits most standard communication protocols. Consider the 3.75 kVrms isolation barrier for safety-critical applications. The wide temperature range makes it suitable for harsh environments. Verify input/output logic compatibility with the host system voltage levels.

Digital Isolators Part Context

This part belongs to the SI87xx series of digital isolators, designed as alternatives to traditional optocouplers. It features silicon-based capacitive isolation technology, offering superior performance in speed, power, and size compared to optical devices. The series is known for high reliability and consistent performance across varying environmental conditions.

Digital Isolators Replacement Considerations

Skyworks recommends checking for direct substitutes within the same family or updated generations. Consult official replacement guides for compatible parts with identical pinouts and specifications. Verify that any substitute maintains the required isolation voltage and data rate standards.