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AHT10 Technical Manual

Temperature and Humidity Sensor

• Full calibration

AHT10, as a new generation of temperature and 

humidity sensors, has established a new standard 

in size and intelligence. It is embedded in a double 

row flat no-lead package suitable for reflow 

soldering, with a bottom of 4 x 5 mm and a height 

of 1.6 mm. The sensor outputs calibrated digital 

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signals in standard I C format.AHT10 is equipped 

with a newly designed ASIC chip, an improved 

MEMS semiconductor capacitive humidity sensing 

element and a standard on-chip temperature 

sensing element. As a result, the performance 

of the new generation of temperature and humidity 

sensors has greatly improved or even exceeded 

that of the previous ones with more stability in 

harsh environments.

Each sensor is calibrated and tested, with product 

batch number printed on the surface of the product. 

Due to the improvement and miniaturization of the 

sensor, its cost-effective ratio is higher, and 

finally all equipment will benefit from the cutting-

edge energy-saving operation mode.

Application Scope

HVAC system, dehumidifier, test and inspection equipment, consumer goods, automobiles, automatic control, 
data recorder, weather station, household appliances, humidity regulation, medical and other related
temperature and humidity detection and control.

Figure 1: AHT10 Sensor Package Diagram (Unit: mm   Tolerance: 0.1 mm)

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• Digital output, I C interface

• Excellent long-term stability

• SMD package suitable for reflow soldering

• Quick response and strong anti-jamming capability

Product Overview

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0.8

0.8

4.0

5.0

1.27

1.0

AHT10

1.6

2.7

ASAIR

XXXXXX

®

1

2

3

4

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6

ADR

SDA

SCL

NC

GND

VDD

ASAIR

®

www.aosong.com      Guangzhou Aosong Electronics Co.,Ltd.        Tel

:

400

-

630

-

5378

  

     Versior

:

V1

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1  

Содержание AHT10

Страница 1: ...ach sensor is calibrated and tested with product batch number printed on the surface of the product Due to the improvement and miniaturization of the sensor its cost effective ratio is higher and nall...

Страница 2: ...Package Quantity AHT10 4000PCS Roll Tape package Package Information 1 This precision is the test precision of the sensor with 3 3V voltage at 25 excluding hysteresis and nonlinearity and only suitab...

Страница 3: ...ing scope as shown in Figure 4 Long term exposure to abnormal scope especially when humidity 80 may lead to temporary signal drift drift 3 RH after 60 hours When the sensor is restored to normal worki...

Страница 4: ...o use no cleaning type 3 solders tin 9 and to purify it with nitrogen during re ux ASAIR 4 10 2 1 Welding Speci cation www aosong com Guangzhou Aosong Electronics Co Ltd Tel 400 630 5378 Versior V1 1...

Страница 5: ...be stored in the original package including sealed ESD bag and meet the following conditions temperature range 10 50 0 85 in a limited time humidity 20 60 RH no ESD packaged sensor For sensors that h...

Страница 6: ...frequency 3 3 Serial data SDA SDA pins are used for data input and output of sensors When sending commands to sensors SDA is valid at the rising edge of serial clock SCL and SDA must remain stable whe...

Страница 7: ...for sample reference 5 1 Start Sensor Step 1 Make the sensor power on with selected voltage of VDD power supply voltage ranging from 1 8 V to 3 6 V When the sensor is powered on it takes 20 millisecon...

Страница 8: ...nt data Read temperature and humidity data Trigger measurement 0xAC humidity data humidity temperature temperature data temperature data This command see Table 9 is used to restart the sensor system w...

Страница 9: ...erature and humidity sensor Date YYYY MM DD 5 0 1 8 1 2 1 0 Batch XXXXXX AHT10 ASAIR XXXXXX Qty 4000PCS Model AHT10 All AHT10 sensors have laser labels on their surfaces See Figure 18 AHT10 is packed...

Страница 10: ...sult in death and serious bodily injury Due to the inherent component design it is sensitive to static electricity In order to prevent the damage and the reduction of the product s performance caused...

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