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HTS221 数据表(PDF) 28 Page - STMicroelectronics

部件名 HTS221
功能描述  Capacitive digital sensor for relative humidity and temperature
PDF  33 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

HTS221 数据表(HTML) 28 Page - STMicroelectronics

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Humidity and temperature data conversion
HTS221
28/33
DocID026333 Rev 4
Step 2: Humidity conversion from ADC_OUT (LSB) to rH %
Linear interpolation for relative Humidity (example)
Figure 10. Step 2: Linear interpolation to convert LSB to rH%
Conclusion: current relative humidity value is 30%.
Input: relative Humidity LSB (ADC)
Output: relative Humidity (% rH)
H0_T0_OUT = 0x4000
H0_rH_x2 = 40% rH => 40/2 = 20.0% rH
H1_T0_OUT = 0x6000
H1_rH_x2 = 80% rH => 80/2 = 40% rH
Humidity conversion:
H_OUT = 0x5000
H_rH_x2 = 60% [interp.] => 60/2 = 30.0% rH



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