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    Mouser is now Shipping Infineon’s XENSIV PAS CO2 Sensor

    Mouser Electronics, Inc., is now stocking the XENSIV PAS CO2 carbon dioxide (CO2) sensor from Infineon Technologies. Based on photoacoustic spectroscopy (PAS), the sensor uses a high-sensitivity MEMS microphone to detect the pressure change generated by CO2 molecules within the sensor cavity. The result is a significantly miniaturized CO2 sensor that offers space savings of more than 75% in end products compared to other CO2 sensors on the market.

    The Infineon XENSIV PAS CO2 sensor, available from Mouser Electronics, integrates a photoacoustic transducer — including detector, infrared source, and optical filter — plus a microcontroller for signal processing and algorithms and a MOSFET to drive the infrared source. The integrated microcontroller converts the MEMS microphone output into a ppm reading, which is available either via the serial I²C, UART or PWM interface. The sensor measures a range from 0 ppm to 10,000 ppm with an accuracy of ± 30 ppm or ±3% of the reading.

    The sensor’s direct ppm readings, surface mounting capability, and simple design allow for fast integration into low- and high-volume applications such as smart home and building automation designs, demand-controlled ventilation, air purifiers, thermostats, weather stations, and personal assistants.

    To learn more, visit www.mouser.com.

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