SI88420EC-AS

Digital Isolators Overview

The SI88420EC-AS is a Skyworks Solutions digital isolator featuring two independent channels in a 16-pin SOIC package. It operates on a supply voltage range of 3 V to 5.5 V with a maximum current consumption of 9.5 mA. The device supports data rates up to 100 Mb/s and provides an insulation voltage of 5000 Vrms. Key electrical parameters include a propagation delay of 18 ns, rise and fall times of 2.5 ns, and pulse width distortion of 4.5 ns. It functions within a temperature range of -40°C to +125°C.

Digital Isolators Feature Summary

• Provides galvanic isolation between circuits using capacitive coupling technology.
• Features unidirectional signal transmission for each of the two isolated channels.
• Includes integrated DC-DC converter functionality for power isolation.

Digital Isolators Applications

• Industrial automation systems requiring high-speed signal isolation
• Medical equipment needing reliable patient isolation barriers
• Power electronics interfaces for motor control applications

Digital Isolators Procurement Notes

Verify the specific suffix 'AS' against official Skyworks documentation to confirm pinout and packaging details. Ensure compatibility with system voltage levels and thermal requirements. Check for moisture sensitivity handling instructions during storage and assembly. Confirm availability through authorized distributors as stock may be limited.

Digital Isolators Selection Notes

Select this component when bidirectional isolation is not required, as it is unidirectional only. Compare against the SI88421 series if bidirectional capability is needed. Consider the SOIC-16 package constraints for PCB layout. Verify that the 100 Mbps data rate meets the application's timing requirements.

Digital Isolators Part Context

This part belongs to the Si8842x family of digital isolators from Skyworks Solutions. These devices are designed for general-purpose isolation applications where high reliability and speed are critical. The family includes variants with different channel counts and bidirectional capabilities.

Digital Isolators Replacement Considerations

The SI88420EC-IS is a related variant within the same family. Verify functional equivalence regarding isolation voltage and data rate before substitution. Ensure pin compatibility and package dimensions match the existing design constraints.