SI8620DB-AS

Digital Isolators Overview

The SI8620DB-AS is a dual-channel digital isolator from Skyworks Solutions, utilizing capacitive coupling technology for signal transmission. It features a unidirectional channel configuration with a data rate of 150 Mb/s and an insulation voltage of 2500 Vrms. The device operates within a supply voltage range of 2.5 V to 5.5 V, consuming 3.3 mA of working power current. Key timing parameters include a propagation delay of 35 ns and a fall time associated with the standard package variant. It supports an operating temperature range from -40°C to +125°C and is housed in an SOIC-8 surface-mount package.

Digital Isolators Feature Summary

• Capacitive coupling isolation architecture
• Dual unidirectional channel design
• High common-mode transient immunity
• Wide operating temperature range

Digital Isolators Applications

• Industrial automation control systems
• Power supply feedback loops
• Motor drive gate driving interfaces
• General-purpose digital isolation

Digital Isolators Procurement Notes

Verify the specific suffix 'AS' against the manufacturer's official documentation to confirm the tube packaging format and exact electrical tolerances. Ensure that the 2500 Vrms insulation rating aligns with your system's safety requirements. Cross-reference the SOIC-8 pinout with your PCB layout to prevent orientation errors during assembly. Confirm compliance with RoHS directives as specified in the latest datasheet revision.

Digital Isolators Selection Notes

Select this component when dual-channel unidirectional isolation is required at 150 Mb/s speeds. The 2500 Vrms rating suits applications where moderate isolation voltage is sufficient compared to higher-rated 3750 Vrms variants. Consider the 3.3 mA current consumption for power-sensitive designs. The SOIC-8 package offers a compact footprint suitable for space-constrained industrial boards.

Digital Isolators Part Context

This part belongs to the Si86xx series of low-power digital isolators. It serves as a general-purpose interface solution replacing traditional optocouplers in many applications. The family emphasizes reliability through capacitive coupling, avoiding the degradation issues associated with LED-based isolation over time.

Digital Isolators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.