Original AUTOMOTIVE ISOLATED ANALOG AMP W SI8921BD-AS4

The Silicon Labs SI8921BD-AS4 is a digital isolator IC from the Si8xx series designed for high-speed, noise-free signal transmission between circuits with galvanic isolation up to a specified insulation rating. It features DC-DC conversion, optional shutdown control, and configurable frequency operation. This component ensures reliable data communication while protecting systems from ground loops, surges, and EMI. The part number includes specific configuration details suitable for various applications requiring isolated interfaces in industrial or communications settings.