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HTS221 데이터시트(PDF) 27 Page - STMicroelectronics

부품명 HTS221
상세설명  Capacitive digital sensor for relative humidity and temperature
PDF  33 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

HTS221 데이터시트(HTML) 27 Page - STMicroelectronics

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HTS221
Humidity and temperature data conversion
33
Step 1: Temperature conversion from ADC_OUT (LSB) to °C
Data to build the Temperature calibration curve are stored in device registers.
Linear interpolation (example)
Figure 9. Step 1: Linear interpolation to convert LSB to °C
Conclusion: current temperature is 15 °C.
Input temperature LSB (ADC)
Output temperature (°C)
T0_OUT = 300
(Msb T0_degC U T0_degC)_x8 = 80 °C => 80/8 =
10.0°C
T1_OUT = 500
(Msb T1_degC U T1_degC)_x8 = 160 °C => 160/8 =
20.0°C
Temperature conversion:
T_OUT = 400
T_degC_x8 =120 °C =>T_degC=120/8 = 15.0 °C



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