KP264 XENSIV™ Barometric Air Pressure Sensor Infineon Technologies KP264 XENSIV™ Digital Barometric Air Pressure (dBAP) Sensor features an SPI digital interface and offers absolute air pressure measurement. The KP264 IC is surface micromachined with a monolithic integrated signal conditioning circuit implemented in BiCMOS technology. This highly accurate, highly sensitive sensor is ideal for advanced automotive, industrial, and consumer applications.