SI86S640HC-IS1R

Digital Isolators Overview

The SI86S640HC-IS1R is a Skyworks Solutions digital isolator featuring four unidirectional signal channels. It utilizes capacitive coupling technology to provide robust electrical isolation with a rated voltage of 3.75 kVrms. The device supports data transmission rates up to 10 Mbps and offers a common-mode transient immunity (CMTI) of 150 kV/µs. Packaged in a 16-lead SOIC with a 0.154-inch width, it is designed for surface-mount applications requiring high reliability and noise immunity in industrial and automotive environments.

Digital Isolators Feature Summary

• Provides four independent unidirectional signal isolation channels
• Utilizes silicon dioxide-based capacitive coupling for long-term reliability
• Delivers high common-mode transient immunity to suppress noise spikes
• Integrates on-chip DC/DC converter capability for power supply isolation

Digital Isolators Applications

• Industrial automation control systems
• Automotive telematics and ADAS interfaces
• Medical equipment signal isolation
• Power supply monitoring circuits

Digital Isolators Procurement Notes

Verify the specific suffix 'IS1R' corresponds to the tape-and-reel packaging format required for automated assembly processes. Confirm that the HC variant meets the necessary temperature range specifications for the intended operating environment. Ensure compatibility with the target system's logic voltage levels before integration into the design.

Digital Isolators Selection Notes

Select this component when four isolated bidirectional or unidirectional channels are required within a single package. The high CMTI rating makes it suitable for noisy environments with fast-switching power stages. Consider the SOIC-NB-16 footprint constraints and verify that the 10 Mbps data rate aligns with the communication requirements of the connected peripherals.

Digital Isolators Part Context

This part belongs to the Si86Sx family of automotive-grade digital isolators from Skyworks Solutions. These devices are engineered to replace traditional optocouplers while offering superior performance metrics including higher speed, lower power consumption, and enhanced consistency. The family emphasizes reliability in harsh electromagnetic interference conditions typical of modern electronic systems.

Digital Isolators Replacement Considerations

The SI86S640FC-IS1 is listed as a parametric equivalent. Verify if the FC suffix indicates a different packaging type or qualification level compared to the IS1R variant. Cross-reference pinouts and electrical characteristics to ensure functional compatibility without redesigning the PCB layout.