SI86S640BC-IS1

Digital Isolators Overview

The SI86S640BC-IS1 is a Skyworks Solutions digital isolator featuring four unidirectional channels with a data rate of 150 Mbps. It provides an isolation voltage of 3750 Vrms using capacitive coupling technology. The device operates within a supply voltage range of 2.375 V to 5.5 V and supports a maximum propagation delay of 13 ns. It functions reliably across an extended temperature range from -40 °C to +125 °C. The component is housed in a 16-pin SOIC-NB package, designed for surface-mount installation.

Digital Isolators Feature Summary

• Provides galvanic isolation between circuits using high-reliability capacitive coupling technology.
• Supports high-speed data transmission with a maximum bit rate of 150 Mbps per channel.
• Features four independent unidirectional signal paths for flexible system integration.
• Ensures robust performance across wide industrial temperature ranges up to 125 °C.

Digital Isolators Applications

• Industrial automation control systems requiring reliable signal isolation
• Medical equipment interfaces needing certified safety isolation
• Power electronics monitoring and gate drive applications
• Data acquisition systems with mixed-signal ground separation

Digital Isolators Procurement Notes

Verify the specific suffix 'IS1' against official Skyworks documentation to confirm pinout and packaging details. Ensure compatibility with target PCB footprint standards. Check for recent Product Change Notifications regarding manufacturing site or material updates. Confirm that the 3750 Vrms rating meets the specific safety requirements of the end application environment.

Digital Isolators Selection Notes

Select this component when four unidirectional isolated channels are required at 150 Mbps speeds. Consider the 3750 Vrms isolation barrier for safety-critical designs. Evaluate power consumption relative to system thermal constraints. Compare against alternative Skyworks series like Si86xx if bidirectional functionality or different channel counts are needed.

Digital Isolators Part Context

This part belongs to the Si86S6x family of digital isolators from Skyworks Solutions. It utilizes proprietary capacitive isolation technology to replace traditional optocouplers. The family offers various channel configurations and isolation voltages. This specific model focuses on unidirectional signal transfer with standard SOIC packaging for easy retrofitting.

Digital Isolators Replacement Considerations

Direct substitutes include other Skyworks Si86S640 variants with different suffixes for packaging or temperature grades. Cross-brand replacements require matching 150 Mbps speed, 4-channel count, and 3750 Vrms isolation. Verify pin-to-pin compatibility before substitution.