SI8661BB-AS1

Digital Isolators Overview

The SI8661BB-AS1 is a six-channel digital isolator from the Si866x series, manufactured by Skyworks Solutions Inc. It features capacitive coupling technology with an insulation voltage of 2500 Vrms and supports data rates up to 150 Mbps. The device operates within a supply voltage range of 2.375 V to 5.5 V, consuming 16.4 mA of operating current. It exhibits a propagation delay of 8 ns and functions across a temperature range of -40°C to +125°C. Packaged in a 16-pin SOIC, it is AEC-Q100 qualified for automotive applications.

Digital Isolators Feature Summary

• Capacitive coupling isolation architecture
• AEC-Q100 automotive qualification
• High common-mode transient immunity

Digital Isolators Applications

• Automotive gate driver interfaces
• Industrial motor control systems
• Power supply feedback loops

Digital Isolators Procurement Notes

Verify the specific suffix 'AS1' against the manufacturer's official documentation to confirm tape-and-reel packaging configuration. Ensure the component meets AEC-Q100 grade requirements for your target application environment. Cross-reference the pinout and electrical specifications with the latest datasheet revision to avoid integration errors during design-in.

Digital Isolators Selection Notes

Select this component when a six-channel unidirectional isolator with 2500 Vrms insulation is required. It is suitable for designs needing high-speed data transmission at 150 Mbps with low power consumption. Consider the SOIC-16 package constraints and the 8 ns propagation delay characteristics relative to system timing requirements.

Digital Isolators Part Context

This part belongs to the Si866x family of digital isolators, which utilize Skyworks' proprietary silicon dioxide (SiO2) isolation technology. The family offers various channel counts and insulation ratings. The SI8661BB variant specifically provides six channels with bidirectional or unidirectional options depending on the sub-model, tailored for robust signal transmission in noisy environments.

Digital Isolators Replacement Considerations

SI8661BC-AS1: Offers higher 3750 Vrms insulation but different power characteristics. SI8663BB-AS1: Provides identical 2500 Vrms rating and 6-channel configuration with similar performance metrics.