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AHT20 Integrated temperature and humidity Sensor
Technical parameter

Supply voltage
DC : 2.3 - 5.5V
Measuring range (humidity) 0 ~ 99.9% RH
Measuring range (temperature) -40 ~ + 85 ℃
Humidity accuracy
± 2 % RH ( 25 ℃ )
Temperature accuracy ± 0.3 ℃
Resolution
temperature: 0.015℃ Humidity: 0.1%RH
Response time
temperature: 5s humidity: 5s 1/e (63%)
Output signal IIC signal

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  • Product Details
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1. product overview


AHT20 is a high precision, fully calibrated, temperature and humidity sensor which is chip package, MEMS production process, to ensure that products with high reliability and excellent long-term stability. The sensor includes a capacitive humidity sensing element and a high performance microprocessor CMOS. The product has excellent quality, fast response, strong anti-interference ability, low cost and other advantages. AHT20  using standard I2C communication, ultra small volume, low power consumption, make it become the best choice of applications.even the most demanding applications support a wide range of operating power supply voltage, the device can provide a low cost and low power consumption advantages all kinds of common scenarios, temperature and humidity sensors are in constant temperature and humidity chamber of high precision calibration, direct output after temperature compensation for humidity, temperature and other information, the user does not need to In order to compensate the humidity for the humidity, the accurate information of temperature and humidity can be obtained.


2. Application Range


HVAC, dehumidifier, testing and testing equipment, consumer goods, automotive, automatic control, data recorder, weather station, home appliances, medical and other related humidity control, humidity measurement and control.


3. product Feature


●   Input voltage range: 2.3V -- 5.5V

 ●  I2C interface and alarm function
●  Ultra low power consumption
●  SMD encapsulation
●  Humidity precision + 2% RH (typical value)
●  Temperature accuracy of + 0.3 C (typical value)