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1-100694-01 Datasheet(PDF) 2 Page - Sensitron

Part No. 1-100694-01
Description  Humidity and Temperature Sensor
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Maker  SENSITRON [Sensitron]
Homepage  http://www.sensitron.com
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www.sensirion.com
Version 1.0 – January 2010
2/12
Sensor Performance
Relative Humidity1234
Parameter
Condition
min
typ
max
Units
12 bit
0.04
%RH
Resolution 1
8 bit
0.7
%RH
typ
2.0
%RH
Accuracy
tolerance 2
max
see Figure 2
%RH
Repeatability
0.1
%RH
Hysteresis
1
%RH
Nonlinearity
<0.1
%RH
Response time 3
 63%
8
s
Operating Range extended 4
0
100
%RH
Long Term Drift 5
normal
< 0.5
%RH/yr
± 0
± 2
± 4
± 6
± 8
± 10
0
10
20
30
40
50
60
70
80
90
100
Relative Humidity (%RH)
RH (%RH)
maximal tolerance
typical tolerance
Figure 2 Typical and maximal tolerance at 25°C for relative
humidity. For extensive information see Users Guide, Sect. 1.2.
Electrical Specification
Parameter
Conditions min
typ
max Units
Supply Voltage, VDD
2.1
3.0
3.6
V
sleep mode
-
0.15
0.4
µA
Supply Current, IDD 6
measuring
270
300
330
µA
sleep mode
-
0.5
1.2
µW
measuring
0.8
0.9
1.0
mW
Power Dissipation 6
average 8bit
-
1.5
-
µW
Heater
VDD = 3.0 V
5.5mW, T = + 0.5-1.5°C
Communication
digital 2-wire interface, true I2C protocol
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 Accuracies are tested at Outgoing Quality Control at 25°C (77°F) and 3.0V.
Values exclude hysteresis and non-linearity and are applicable to non-
condensing environments only.
3 Time for achieving 63% of a step function, valid at 25°C and 1 m/s airflow.
4 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.
Temperature567
Parameter
Condition
min
typ
max
Units
14 bit
0.01
°C
Resolution 1
12 bit
0.04
°C
typ
0.3
°C
Accuracy
tolerance 2
max
see Figure 3
°C
Repeatability
0.1
°C
-40
125
°C
Operating Range extended 4
-40
257
°F
Response Time 7
 63%
5
30
s
Long Term Drift
< 0.04
°C/yr
± 0.0
± 0.5
± 1.0
± 1.5
± 2.0
± 2.5
± 3.0
-40
-20
0
20
40
60
80
100
120
Temperature (°C)
T (°C)
Figure 3 Maximal tolerance for temperature sensor in °C.
Packaging Information
Sensor Type
Packaging
Quantity
Order Number
Tape & Reel
400
1-100707-01
Tape & Reel
1500
1-100645-01
SHT21
Tape & Reel
5000
1-100694-01
This datasheet is subject to change and may be amended
without prior notice.
5 Value may be higher in environments with vaporized solvents, out-gassing
tapes, adhesives, packaging materials, etc. For more details please refer to
Handling Instructions.
6 Min and max values of Supply Current and Power Dissipation are based on
fixed VDD = 3.0V and T<60°C. The average value is based on one 8bit
measurement per second.
7 Response time depends on heat conductivity of sensor substrate.




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