SGP40-D-R4
Overview
The Sensirion SGP40-D-R4 is a digital air quality sensor designed for detecting volatile organic compounds (VOCs). It provides an I2C interface for easy integration and operates from a low supply voltage range of 1.7V to 3.6V. This compact sensor is well-suited for applications requiring continuous monitoring of indoor air quality.
Why Choose This Part
The SGP40-D-R4 offers low power consumption, drawing 2.6mA at 3.3V, making it suitable for battery-powered or energy-sensitive applications. Its compact DFN package with dimensions of 2.44mm x 2.44mm x 0.85mm allows for integration into space-constrained designs. The sensor operates over a wide temperature range of -10C to 50C, ensuring reliable performance in various indoor settings.
Applications
Key Specifications
Getting Started
To get started with the SGP40-D-R4, engineers can use Sensirion's SEK-SGP40 evaluation kit, which includes the sensor and provides an easy way to interface with microcontrollers. Libraries and example code are available for common platforms like Arduino and Raspberry Pi, simplifying the process of reading data via the I2C interface. Consult the datasheet for detailed integration guidelines and VOC index calculation algorithms.
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