AHT10
Technical Manual
ASAIR®
Temperature and humidity sensor
• Fully calibrated
• Digital output, I
2
C interface
• Excellent long-term stability
• SMD package reflow solderable
• Fast response and strong anti-interference ability
Application range
HVAC, dehumidifiers, testing and testing equipment, consumer goods, automobiles, automatic control, data logger,
weather home appliances, humidity regulation, medical and other related temperature and humidity detection and
control.
1- ADR
2- SDA
3- SCL
4- VDD
5- GND
6- NC
Figure 1: AHT10 sensor package diagram (unit: mm tolerance: 0.1mm)
Product overview
AHT10, the new generation of temperature and humidity
sensors sets a new standard in size and intelligence: it is
embedded for reflow soldering
The dual-row flat leadless SMD package has
a 4x5mm bottom and a height of 1.6mm. The sensor
outputs a calibrated digital signal in standard I2C format.
The AHT10 is equipped with a newly designed
ASIC- specific chip, an improved MEMS semiconductor
capacitive humidity sensing element and a standard on-
chip temperature sensing element. Its performance has
been greatly improved beyond the reliability level of the
previous generation of sensors. The first generation of
temperature and humidity sensors have been improved to
make them more stable in harsh environments.
Each sensor is calibrated and tested with a product
lot number printed on the surface of the
product. Thanks to improved and miniaturized
sensors, it is more cost-effective and ultimately all
equipment will benefit from cutting-edge energy-
saving operating modes.
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