HTU21P Ver la hoja de datos (PDF) - Unspecified
Número de pieza
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Fabricante
HTU21P Datasheet PDF : 21 Pages
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HTU21D(F) Sensor
Digital Relative Humidity sensor with Temperature output
TEMPERATURE
Characteristics
Symbol
Min
Typ
Max
Unit
Resolution
14 bit
12 bit
0.01
°C
0.04
°C
Temperature Operating Range
T
-40
+125
°C
typ
Temperature Accuracy @25°C
max
±0.3
°C
See graph 2
°C
Replacement
fully interchangeable
14 bit
44
50
ms
Measuring time (1)
13 bit
12 bit
22
25
ms
11
13
ms
11 bit
6
7
ms
PSSR
±25
LSB
Long term drift
0.04
°C/yr
Response Time (at 63% of signal) from 15°C to 45°C (2)
τT
10
s
(1) Typical values are recommended for calculating energy consumption while maximum values shall be applied for
calculating waiting times in communication.
(2) At 1m/s air flow
GRAPH 2 : TEMPERATURE ERROR BUDGET
2
1,8
1,6
1,4
1,2
1
0,8
0,6
0,4
0,2
0
-40 -20 0
Maximal Tolerance
Typical Tolerance
20 40 60 80
Temperature (°C)
100 120
USER GUIDE HTU21D(F)
APPLICATION INFORMATION
Soldering instructions: Lead free reflow soldering recommended process
For soldering HTU21D(F) sensor standard reflow soldering ovens may be used.
HPC199_3 HTU21D(F) Sensor Datasheet
www.meas-spec.com
5/21
October 2013
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