SI8663BD-AS

Digital Isolators Overview

The SI8663BD-AS is an automotive-grade digital isolator from the Si866x series, manufactured by Skyworks Solutions. It features six unidirectional channels with a capacitive coupling isolation type and a 5000 Vrms insulation voltage. The device supports data rates up to 150 Mb/s with a propagation delay of 8 ns and rise/fall times of 4 ns. It operates within a supply voltage range of 2.375 V to 5.5 V, consuming 16.4 mA of working power current. Packaged in SOIC-16, it meets AEC-Q100 qualification standards and functions between -40°C and +125°C.

Digital Isolators Feature Summary

• Provides high-voltage galvanic isolation via capacitive coupling technology for robust signal transmission.
• Certified for automotive applications through AEC-Q100 qualification standards.
• Delivers high-speed data transfer capabilities suitable for demanding communication protocols.

Digital Isolators Applications

• Automotive electronic control units requiring reliable signal isolation
• Industrial systems utilizing capacitive coupled digital interfaces
• General-purpose isolated communication channels

Digital Isolators Procurement Notes

Verify that the specific part number matches the required automotive grade and channel configuration. Confirm package dimensions align with PCB layout requirements. Ensure environmental operating ranges meet system specifications. Check for moisture sensitivity levels during storage and handling procedures.

Digital Isolators Selection Notes

Choose this component when high voltage isolation and automotive reliability are critical. Consider the unidirectional nature of the channels for appropriate circuit design. Evaluate power consumption against system constraints. Verify compatibility with existing interface protocols and voltage levels.

Digital Isolators Part Context

This device belongs to the Si866x family of digital isolators, designed for general-purpose applications. It offers a balance of speed, isolation voltage, and low power consumption. The SOIC-16 package provides a compact solution for space-constrained designs.

Digital Isolators Replacement Considerations

SI8663BB-AS1 (2.5 kV variant)

Digital Isolators FAQ

What is the common mode transient immunity rating?

The SI8663BD-AS has a minimum common mode transient immunity of 35kV/µs.

Does this device include a shutdown function?

No, the SI8663BD-AS does not feature a shutdown pin; it operates continuously once powered.