Infineon Launches XENSIV PAS210 Miniaturized CO2 Sensor

July 1, 2019 Alix Paultre

Infineon Technologies has developed a CO2 sensor technology based on photoacoustic spectroscopy (PAS), which uses a high-sensitivity MEMS microphone as a detector. Enabling significant miniaturization of CO2 sensors, the PAS210 integrates the photoacoustic transducer including the detector, the infrared source, and the optical filter. It also holds a microcontroller for signal processing and algorithms as well as a MOSFET to drive an infrared source.

The PAS210 saves more than 75 percent space in customer products compared to commercially available legacy sensors. The integrated microcontroller converts the MEMS microphone output into a ppm reading, which is available either via the serial I²C, UART or PWM interface. XENSIV PAS210 CO2 measurement capabilities cover a range from 0 ppm to 10,000 ppm with an accuracy of ± 30 ppm or ±3 percent of the reading. In a pulsed mode, the XENSIV PAS210 CO2 sensor is designed to have a lifetime of 10 years.

For more information, visit www.infineon.com.

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