SI8642AB-ASR

Digital Isolators Overview

The SI8642AB-ASR is a four-channel digital isolator from the Si864x series, manufactured by Skyworks Solutions Inc. It features a maximum data rate of 150 Mbps and supports bidirectional signal transmission with two forward and two reverse channels. The device operates on a single power supply ranging from 2.375 V to 5.5 V. It provides high common-mode transient immunity and utilizes capacitive coupling for isolation. The component is housed in a 16-pin SOIC package and is designed for robust performance across a wide temperature range.

Digital Isolators Feature Summary

• Provides galvanic isolation between circuits using capacitive coupling technology
• Supports high-speed data transmission up to 150 Mbps
• Features bidirectional channel configuration for flexible signal routing
• Ensures high reliability with strong common-mode transient immunity

Digital Isolators Applications

• Industrial automation systems requiring isolated communication interfaces
• Medical equipment needing safe patient isolation barriers
• Power electronics control circuits with high voltage noise environments
• Automotive electronic modules adhering to AEC-Q100 standards

Digital Isolators Procurement Notes

Verify the specific suffix ASR indicates tape and reel packaging when sourcing. Confirm the manufacturer is Skyworks Solutions Inc. to ensure authenticity. Check for RoHS compliance status if required by your assembly process. Ensure the ordering part number matches the exact speed grade and insulation rating specifications needed for your design.

Digital Isolators Selection Notes

Select this component when a four-channel isolator with 150 Mbps speed is required. It is suitable for applications needing bidirectional data flow. Consider the 16-SOIC package size for PCB layout constraints. Verify that the operating voltage range of 2.375 V to 5.5 V aligns with your system power rails. Ensure the isolation voltage rating meets your safety requirements.

Digital Isolators Part Context

This part belongs to the Si864x family of digital isolators. These devices are known for low power consumption and high reliability. They replace traditional optocouplers in many modern designs. The family offers various channel counts and insulation ratings. This specific model focuses on general-purpose high-speed isolation tasks.

Digital Isolators Replacement Considerations

Check for direct pin-compatible alternatives within the same Skyworks Si864x series. Verify that any substitute matches the 150 Mbps data rate and 16-SOIC package. Ensure the replacement maintains similar isolation voltage and CMTI specifications. Consult official substitution guides for validated cross-references.