SI86SL42EC-AS1

Digital Isolators Overview

The SI86SL42EC-AS1 is a four-channel digital isolator from Skyworks Solutions, designed for automotive and industrial applications. It features capacitive coupling isolation with a rated insulation voltage of 3.75 kVrms. The device supports unidirectional signal transmission at data rates up to 150 Mb/s. Operating supply voltage ranges from 2.375 V to 5.5 V, with a typical operating current of 11 mA. It includes fail-safe outputs and power-on reset functionality. The component operates within a temperature range of -40°C to +125°C and is housed in a 16-pin SOIC package.

Digital Isolators Feature Summary

• Provides galvanic isolation via capacitive coupling technology for robust noise immunity
• Integrates fail-safe output circuitry to ensure defined logic states during invalid input conditions
• Includes power-on reset feature to initialize outputs to a known state upon power-up
• Optimized for low power consumption suitable for battery-operated or energy-efficient systems

Digital Isolators Applications

• Automotive electronic control units requiring high reliability and isolation
• Industrial communication interfaces such as SPI and UART links
• Motor drive circuits needing isolated gate driving signals
• Power conversion systems with isolated feedback paths

Digital Isolators Procurement Notes

Verify the specific suffix 'AS1' against official Skyworks documentation to confirm pinout and electrical characteristics match your design requirements. Ensure compatibility with your system's voltage levels and isolation standards before integration. Cross-reference the datasheet revision date to guarantee access to the most current technical specifications and reliability data.

Digital Isolators Selection Notes

Select this component when four independent unidirectional channels are required with 3.75 kVrms isolation capability. It is suitable for designs prioritizing low power consumption alongside high-speed data transmission up to 150 Mb/s. Consider the wide operating temperature range and automotive qualification if deploying in harsh environments. Compare against other Si86SL4x variants if bidirectional communication or different packaging options are needed.

Digital Isolators Part Context

This part belongs to the Si86SL4x family of low-power digital isolators from Skyworks Solutions. These devices utilize proprietary CMOS isolation technology to provide reliable signal transmission across isolation barriers. The family is characterized by small footprint, low jitter, and high common-mode transient immunity, making them ideal for modern embedded systems.

Digital Isolators Replacement Considerations

Check Skyworks datasheets for direct replacements within the Si86SL4x series, such as SI86SL42BC-IS1, ensuring identical channel count, isolation voltage, and package type. Verify that any substitute maintains the same unidirectional configuration and low-power profile.