SI8660BD-B-IS

Digital Isolators Overview

The SI8660BD-B-IS is a six-channel digital isolator from the Si866x series, manufactured by Skyworks Solutions Inc. It utilizes capacitive coupling technology to provide electrical isolation with a rated 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 timing parameters include a propagation delay of 8 ns, rise and fall times of 4 ns, and a pulse width distortion of 5 ns. It features unidirectional signal transmission across all six channels without reverse paths. The component is qualified under AEC-Q100 standards for automotive applications and functions reliably in temperatures ranging from -40 °C to +125 °C.

Digital Isolators Feature Summary

• Six-channel unidirectional digital isolation using capacitive coupling technology
• High-speed operation supporting data rates up to 150 Mbps
• Robust insulation capability rated at 5000 Vrms
• Automotive qualification compliant with AEC-Q100 standards

Digital Isolators Applications

• Industrial automation control systems
• Automotive electronic modules
• Medical equipment signal isolation
• Power electronics gate drive circuits

Digital Isolators Procurement Notes

Verify the specific suffix against official Skyworks documentation to confirm package type and insulation rating. Ensure compatibility with system voltage requirements and thermal management needs. Confirm that the selected variant meets the necessary regulatory certifications for the target application environment. Cross-reference part numbers carefully to avoid confusion between different isolation voltage levels within the same family.

Digital Isolators Selection Notes

Select this component when high channel density and robust isolation are required for unidirectional signals. Consider the 5000 Vrms rating for applications demanding higher safety margins compared to lower-rated variants. Evaluate power consumption and thermal dissipation capabilities relative to the enclosure size. Verify that the 150 Mbps speed meets the communication requirements of the specific interface being isolated.

Digital Isolators Part Context

This device belongs to the Si86xx family of digital isolators, which offers various configurations of channel counts and isolation voltages. The SI8660BD-B-IS specifically provides six forward channels with no reverse channels, distinguishing it from bidirectional models like the SI8662 series. It shares common design principles with other members of the family but differs in pinout and isolation specifications.

Digital Isolators Replacement Considerations

SI8660BB-B-IS (2.5 kVrms), SI8660BC-B-IS (3.75 kVrms), SI8660BA-B-IS (1 kVrms). Verify insulation voltage and package dimensions before substitution.