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1-100645-01 PDF预览

1-100645-01

更新时间: 2024-01-01 09:18:58
品牌 Logo 应用领域
SENSITRON 传感器换能器温度传感器输出元件
页数 文件大小 规格书
12页 489K
描述
Humidity and Temperature Sensor

1-100645-01 数据手册

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Sensor Performance  
Relative Humidity1234  
Temperature567  
Parameter  
Parameter  
Condition min  
typ max Units  
Condition min  
typ  
0.01  
max Units  
12 bit  
8 bit  
typ  
0.04  
0.7  
%RH  
%RH  
14 bit  
12 bit  
typ  
°C  
°C  
°C  
°C  
°C  
Resolution 1  
Resolution 1  
0.04  
%RH  
Accuracy  
tolerance 2  
2.0  
see Figure 2  
0.1  
Accuracy  
tolerance 2  
0.3  
see Figure 3  
0.1  
max  
%RH  
max  
Repeatability  
Hysteresis  
%RH  
Repeatability  
-40  
125  
257  
30  
°C  
°F  
%RH  
1  
<0.1  
Operating Range extended 4  
-40  
5
Nonlinearity  
Response time 3  
%RH  
Response Time 7  
Long Term Drift  
s
8
s
63%  
63%  
Operating Range extended 4  
0
100 %RH  
%RH/yr  
< 0.04  
°C/yr  
Long Term Drift 5  
normal  
< 0.5  
T (°C)  
RH (%RH)  
± 10  
± 8  
± 6  
± 4  
± 2  
± 0  
± 3.0  
± 2.5  
± 2.0  
± 1.5  
± 1.0  
± 0.5  
± 0.0  
maximal tolerance  
typical tolerance  
0
10 20 30 40 50 60 70 80 90 100  
-40  
-20  
0
20  
40  
60  
80  
100  
120  
Relative Humidity (%RH)  
Temperature (°C)  
Figure 3 Maximal tolerance for temperature sensor in °C.  
Figure 2 Typical and maximal tolerance at 25°C for relative  
humidity. For extensive information see Users Guide, Sect. 1.2.  
Packaging Information  
Electrical Specification  
Sensor Type  
Packaging  
Tape & Reel  
Tape & Reel  
Tape & Reel  
Quantity  
400  
Order Number  
1-100707-01  
1-100645-01  
1-100694-01  
Parameter  
Conditions min typ max Units  
2.1 3.0 3.6  
0.15 0.4 µA  
270 300 330 µA  
0.5 1.2 µW  
0.8 0.9 1.0 mW  
1.5 µW  
5.5mW, T = + 0.5-1.5°C  
Supply Voltage, VDD  
V
SHT21  
1500  
sleep mode  
measuring  
-
Supply Current, IDD 6  
Power Dissipation 6  
5000  
sleep mode  
measuring  
-
average 8bit  
VDD = 3.0 V  
-
-
Heater  
Communication  
digital 2-wire interface, true I2C protocol  
This datasheet is subject to change and may be amended  
without prior notice.  
Table 1 Electrical specification. For absolute maximum  
values see Chapter 3 of Users Guide.  
1
Default measurement resolution is 14bit (temperature) / 12bit (humidity). It can  
be reduced to 12/8bit, 11/11bit or 13/10bit by command to user register.  
2
5
Accuracies are tested at Outgoing Quality Control at 25°C (77°F) and 3.0V.  
Value may be higher in environments with vaporized solvents, out-gassing  
Values exclude hysteresis and non-linearity and are applicable to non-  
condensing environments only.  
tapes, adhesives, packaging materials, etc. For more details please refer to  
Handling Instructions.  
3
6
Time for achieving 63% of a step function, valid at 25°C and 1 m/s airflow.  
Min and max values of Supply Current and Power Dissipation are based on  
4
fixed VDD = 3.0V and T<60°C. The average value is based on one 8bit  
measurement per second.  
Normal operating range: 0-80%RH, beyond this limit sensor may read a  
reversible offset with slow kinetics (<3%RH after 200hours at 90%RH). For more  
details please see Section 1.1 of the Users Guide.  
7
Response time depends on heat conductivity of sensor substrate.  
www.sensirion.com  
Version 1.0 – January 2010  
2/12  

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