SI8642BD-B-IS2R

Digital Isolators Overview

The SI8642BD-B-IS2R is a Skyworks Solutions digital isolator featuring four channels with two forward and two reverse signal paths. It utilizes capacitive coupling technology to provide an insulation voltage of 5000 Vrms. The device supports data rates up to 150 Mbps and operates within a supply voltage range of 2.375 V to 5.5 V. Key electrical parameters include a propagation delay of 8 ns, rise and fall times of 4 ns, and a pulse width of 5 ns. It functions reliably across a temperature range of -40°C to +125°C and is housed in a SOIC-Wide-16 package.

Digital Isolators Feature Summary

• Capacitive isolation architecture provides high-speed signal transmission without magnetic interference.
• Integrated transient immunity ensures reliable operation in electrically noisy environments.
• Unidirectional channel configuration simplifies interface design for general-purpose applications.

Digital Isolators Applications

• Industrial automation control systems
• Power supply feedback loops
• Inverter gate drive circuits

Digital Isolators Procurement Notes

Verify the specific suffix 'IS2R' indicates reel packaging when sourcing components. Confirm that the manufacturer designation matches Skyworks Solutions Inc. to ensure authenticity. Cross-reference the datasheet version against the latest revision history to validate parameter consistency. Ensure compliance with RoHS directives as specified in official documentation before finalizing procurement orders.

Digital Isolators Selection Notes

Select this component for applications requiring robust galvanic isolation between low-voltage logic and high-voltage power stages. The wide operating supply voltage range accommodates various logic families. Consider the thermal performance and package dimensions for PCB layout optimization. Verify that the required insulation voltage meets the safety standards of the target system environment.

Digital Isolators Part Context

This part belongs to the Si864x series of digital isolators from Skyworks Solutions. The series is characterized by its use of CMOS silicon dioxide process technology for superior reliability compared to traditional optocouplers. The family offers various channel configurations and insulation ratings to suit diverse industrial and automotive requirements.

Digital Isolators Replacement Considerations

Compatible substitutes within the same family include SI8642BD-B-IS and SI8642BT-ISR. Verify pin compatibility and insulation voltage ratings when swapping parts. Ensure that alternative packages match the existing footprint constraints on the printed circuit board.