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型号: SHT11
厂商: ETC
描述: humidity & temperature sensor
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SHT1x / SHT7x  
Humidity & Temperature Sensor  
SHT7x  
Evaluation Kit  
Available  
SHT1x  
- Relative humidity and temperature sensors  
- Dew point  
- Fully calibrated, digital output  
- Excellent long-term stability  
- No external components required  
- Ultra low power consumption  
- Surface mountable or 4-pin fully interchangeable  
- Small size  
- Automatic power down  
SHT1x / SHT7x Product Summary  
The SHTxx is a single chip relative humidity and  
temperature multi sensor module comprising a calibrated  
digital output. Application of industrial CMOS processes with  
patented micro-machining (CMOSens® technology) ensures  
highest reliability and excellent long term stability. The  
device includes a capacitive polymer sensing element for  
relative humidity and a bandgap temperature sensor. Both  
are seamlessly coupled to a 14bit analog to digital converter  
and a serial interface circuit on the same chip. This results in  
superior signal quality, a fast response time and insensitivity  
to external disturbances (EMC) at a very competitive price.  
Each SHTxx is individually calibrated in a precision humidity  
chamber with a chilled mirror hygrometer as reference. The  
calibration coefficients are programmed into the OTP  
memory. These coefficients are used internally during  
measurements to calibrate the signals from the sensors.  
The 2-wire serial interface and internal voltage regulation  
allows easy and fast system integration. Its tiny size and low  
power consumption makes it the ultimate choice for even  
the most demanding applications.  
The device is supplied in either a surface-mountable LCC  
(Leadless Chip Carrier) or as a pluggable 4-pin single-in-line  
type package. Customer specific packaging options may be  
available on request.  
Applications  
Block Diagram  
_ HVAC  
_ Test & Measurement  
_ Data Logging  
_ Automation  
_ Automotive  
Calibration  
Memory  
SCK  
_ Consumer Goods  
_ Weather Stations  
_ Humidifiers  
%RH  
Sensor  
DATA  
_ White Goods  
_ Medical  
Digital 2-  
wire  
_ Dehumidifiers  
Interface  
&
D
CRC  
generator  
A
Ordering Information  
GND  
VDD  
Temp.  
Sensor  
Temperature  
Humidity  
accuracy  
[%RH]  
Part  
accuracy [K]  
Package  
Number  
@ 25 °C  
SHT11  
SHT15  
SHT71  
SHT75  
SMD (LCC)  
SMD (LCC)  
4-pin single-in-line  
4-pin single-in-line  
±3.0  
±2.0  
±3.0  
±1.8  
±0.4  
±0.3  
±0.4  
±0.3  
www.sensirion.com  
Sensirion, Eggbühlstr. 14, 8052 Zürich, Switzerland, Tel: +41 1 306 40 00, Fax: +41 1 306 40 30  
v2.02