SI8640BB-B-ISR

Digital Isolators Overview

The SI8640BB-B-ISR is a Skyworks Solutions digital isolator featuring four unidirectional channels with a data rate of 150 Mb/s. It utilizes capacitive coupling technology to provide an insulation voltage of 2500 Vrms. The device operates within a supply voltage range of 2.375 V to 5.5 V and supports a shutdown function. It is housed in a 16-pin QSOP package and is qualified under the AEC-Q100 automotive standard for operation between -40°C and +125°C.

Digital Isolators Feature Summary

• Four-channel unidirectional signal isolation using capacitive coupling
• Automotive qualification compliant with AEC-Q100 standards
• Integrated shutdown control for power management

Digital Isolators Applications

• Automotive electronic control units
• Industrial motor drive systems
• Power supply gate driver interfaces

Digital Isolators Procurement Notes

Verify the specific suffix 'B' indicates the correct channel configuration and polarity for your design requirements. Confirm that the QSOP-16 package dimensions align with your PCB footprint constraints. Ensure the 2.375 V minimum supply voltage meets your system's low-voltage operating conditions. Check for any recent product change notices regarding manufacturing location or material composition updates.

Digital Isolators Selection Notes

Select this component when high-speed unidirectional isolation is required in automotive environments. Compare against the SI8640BD variant if higher insulation voltage is needed. Consider the SI8640AB series if lower data rates are sufficient for cost optimization. Verify thermal dissipation capabilities within the QSOP package for your specific application load.

Digital Isolators Part Context

This part belongs to the Si864x family of digital isolators from Skyworks Solutions. It is designed to replace traditional optocouplers in applications requiring higher reliability and faster switching speeds. The family offers various insulation ratings and channel configurations to support diverse industrial and automotive interface needs.

Digital Isolators Replacement Considerations

The SI8640BD-B-ISR serves as a higher insulation voltage alternative within the same package. Cross-reference the SI8640AB-B-ISR for lower speed general-purpose applications. Ensure pin compatibility when substituting with other manufacturers' quad-channel isolators.