NDIR Thermopile-Based Gas Sensing Circuit

Analog Devices の部品 AD8629 を使用したリファレンス デザイン

メーカー

Analog Devices
  • アプリケーションカテゴリ
    センサーとトランスデューサー
  • 製品タイプ
    赤外線近接センサー

最終製品向け

  • Temperature Monitoring

説明

  • Complete thermopile-based gas sensor using the nondispersive infrared (NDIR) principle. This circuit is optimized for CO2 sensing, but can also accurately measure the concentration of a large number of gases by using thermopiles with different optical filters. The printed circuit board (PCB) is designed in an Arduino shield form factor and interfaces to the EVAL-ADICUP360 Arduino-compatible platform board. The signal conditioning is implemented with the AD8629 and the ADA4528-1 low noise amplifiers and the ADuCM360 precision analog microcontroller, which contains programmable gain amplifiers, dual 24-bit analog-to-digital converters (ADCs) and an ARM Cortex-M3 processor

主な特徴

  • Signal Conditioning Type
    Calibration

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