Datasheet

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Version:V1.0 —— May 2021
DHT20 Data Sheet
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2 Sensor Specifications
Relative Humidity
Parameter
Condition
Min
Typical
Value
Max
Unit
Resolution
Typical
-
0.024
-
%RH
Accuracy
Typical
-
±3
-
%RH
Tolerance
1
Max
See Figure 2
-
%RH
Repeatable
-
-
±0.1
-
%RH
Hysteresis
-
-
±1
-
%RH
Nonlinear
-
-
<0.1
-
%RH
Response Time
2
 63%
-
<8
-
s
Scope of Work
Extended
3
0
-
100
%RH
Prolonged Drift
4
Normal
-
<0.5
-
%RH/yr
Table 1. Humidity characteristics table
Figure 2. Typical and maximum humidity errors
Electrical Specifications
Parameter
Condition
Min
Typical Value
Max
Unit
Supply Voltage
Typical
2.2
3.3
5.5
V
Supply Current,
IDD
5
Dormancy
-
250
-
nA
Measure
-
980
-
µA
Power
Consumption
6
Dormancy
-
-
0.8
µW
Measure
-
3.2
-
mW
Communication
Standard I²C protocol
Table 2. Electrical Specifications