SI8620AB-AS

Digital Isolators Overview

The SI8620AB-AS is a dual-channel digital isolator from Skyworks Solutions, utilizing capacitive coupling technology for signal transmission. It supports data rates up to 1 Mbps with a maximum propagation delay of 35 ns. The device operates on a supply voltage range of 2.5 V to 5.5 V and draws a typical operating current of 3.3 mA. It features an insulation voltage rating of 2500 Vrms and functions within a temperature range of -40°C to +125°C. Packaged in an SOIC-8 format, it provides unidirectional isolation without requiring start-up initialization.

Digital Isolators Feature Summary

• Capacitive coupling isolation technology eliminates the need for optical components or transformers.
• Unidirectional signal transmission with no requirement for start-up initialization sequences.
• Wide operating supply voltage compatibility supporting both 2.5 V and 5.5 V logic systems.
• High common-mode transient immunity ensures reliable operation in noisy environments.

Digital Isolators Applications

• General-purpose digital isolation in industrial communication interfaces
• Isolation between microcontrollers and peripheral devices in embedded systems
• Signal isolation in power monitoring and control circuits

Digital Isolators Procurement Notes

Verify the specific suffix 'AS' corresponds to the tube packaging variant when ordering, as other suffixes indicate reel or tape configurations. Confirm the manufacturer part number matches Skyworks Solutions Inc. documentation exactly. Ensure the procurement channel sources genuine components to avoid counterfeit risks associated with semiconductor devices. Check for RoHS compliance status if required by your manufacturing standards.

Digital Isolators Selection Notes

Select this component when low power consumption is critical alongside moderate speed requirements up to 1 Mbps. The dual-channel configuration is suitable for bidirectional buses requiring separate forward and reverse paths. Consider the SOIC-8 package dimensions for PCB layout constraints. Verify that the 2500 Vrms isolation rating meets the safety requirements of the target application circuit.

Digital Isolators Part Context

The SI8620AB-AS belongs to the Si86xx series of digital isolators from Skyworks Solutions. This family utilizes proprietary capacitive isolation technology to replace traditional optocouplers. The AB variant specifically denotes the 1 Mbps data rate capability within the dual-channel lineup. It serves as a modern alternative to legacy isolation technologies in compact electronic designs.

Digital Isolators Replacement Considerations

Direct replacements include other variants within the Si862x family such as the SI8620BC-B-IS for higher speed applications. Cross-reference pinouts and isolation ratings when substituting with competitors like ADuM series devices. Ensure voltage levels and channel counts match the original design specifications during replacement.

Digital Isolators FAQ

Does the SI8620AB-AS require any initialization sequence upon power-up?

No, the device does not require any start-up initialization sequence to begin operation.

What is the maximum data rate supported by this specific model?

The SI8620AB-AS supports a maximum data rate of 1 Mbps.