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The SI88622BC-IS is a Skyworks Solutions digital isolator featuring two unidirectional channels and an integrated DC-DC converter. It operates within a 3 V to 5.5 V supply range and delivers a data rate of 100 Mb/s with a propagation delay of 18 ns. The device utilizes capacitive coupling for isolation, providing a rated insulation voltage of 3750 Vrms. It is housed in a 20-SOIC package and supports an operating temperature range from -40 °C to +125 °C.
Verify the complete part number including suffixes to ensure correct packaging and temperature grade. Confirm that the application circuit design accommodates the integrated DC-DC converter's output specifications. Check for moisture sensitivity handling requirements during storage and assembly processes.
Select this component when bidirectional isolation is not required and onboard isolated power generation is necessary. Compare against non-isolated power variants if external isolated supplies are available. Ensure the 20-SOIC footprint fits the target PCB layout constraints.
This part belongs to the Si8862x ISOvolt family, which combines digital isolation with integrated power conversion. It serves as a compact alternative to discrete optocoupler and isolated DC-DC converter combinations, reducing system size and complexity in industrial applications.
SI88622BD-ISR is a listed substitute offering similar functionality with different isolation ratings or performance characteristics. Verify electrical compatibility before substitution.