The SHT30 is a high-accuracy digital humidity and temperature sensor manufactured by Sensirion AG. It builds upon Sensirion's CMOSens® technology, offering increased intelligence, reliability, and improved accuracy specifications compared to its predecessors. The SHT30 consists of a capacitive humidity sensor and a band-gap temperature sensor, coupled with an analog-to-digital converter (ADC), signal processing, and an I2C interface, all integrated on a single chip.
Applications:
- HVAC systems (Heating, Ventilation, and Air Conditioning)
- Home appliances
- Weather stations
- Data loggers
- Automotive climate control
- Industrial process control
- Medical equipment
Features:
- Fully calibrated, linearized, and temperature compensated digital output
- Wide supply voltage range (2.4V to 5.5V)
- I2C interface with selectable addresses
- Typical accuracy of ±2% RH and ±0.3°C
- Excellent long-term stability
- Low power consumption
- Small package size (typically DFN or LGA)
- Integrated heater for sensor testing and dehumidification
Benefits:
- High accuracy and reliability: Provides precise and consistent measurements in diverse environments.
- Easy integration: The digital I2C interface simplifies interfacing with microcontrollers and other digital systems.
- Low power consumption: Suitable for battery-powered applications.
- Small size: Allows for integration into compact devices.
- Robust performance: Resistant to environmental contaminants and fluctuations.
- Improved measurement performance: Offers best-in-class humidity and temperature measurement in demanding applications.
Additional Details:
The SHT30 series sensors are available in different accuracy grades to suit various application requirements. The sensor's internal heater can be used for functional testing or to drive off condensation. The I2C interface supports clock stretching and allows for communication with multiple sensors on the same bus. The sensor’s long-term stability ensures consistent performance over extended periods. It is often used where precise and stable environmental readings are critical for optimal system performance and decision-making.