Mouser Electronics, Inc., the industry’s leading New Product Introduction (NPI) distributor with the widest selection of semiconductors and electronic components™, 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 https://www.mouser.com/new/infineon/infineon-xensiv-pas-co2-sensor/.
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