www.sensirion.com November 2014 - 0.9 1/17
Preliminary Data Sheet SHT3x-DIS
Humidity and Temperature Sensor
Fully calibrated, linearized, and temperature
compensated digital output
Wide supply voltage range, from 2.4 to 5.5 V
I2C Interface with communication speeds up to 1
MHz and two user selectable addresses
Typical accuracy of 2%RH and 0.3°C
Very fast start-up and measurement time
Tiny 8-Pin DFN package
Product Summary
SHT3x-DIS is the next generation of Sensirion’s
temperature and humidity sensors. It builds on a new
CMOSens® sensor chip that is at the heart of Sensirion’s
new humidity and temperature platform. The SHT3x-DIS
has increased intelligence, reliability and improved
accuracy specifications compared to its predecessor. Its
functionality includes enhanced signal processing, two
distinctive and user selectable I2C addresses and
communication speeds of up to 1 MHz. The DFN
package has a footprint of 2.5 x 2.5 mm while keeping a
height of 0.9 mm. This allows for integration of the
SHT3x-DIS into a great variety of applications.
Additionally, the wide supply voltage range of 2.4 to 5.5
V guarantees compatibility with diverse assembly
situations. All in all, the SHT3x-DIS incorporates 15
years of knowledge of Sensirion, the leader in the
humidity sensor industry.
Benefits of Sensirion’s CMOSens
®
Technology
High reliability and long-term stability
Industry-proven technology with a track record of
more than 15 years
Designed for mass production
High process capability
Low signal noise
Content
1 Sensor Performance............................................. 2
2 Specifications ....................................................... 4
3 Pin Assignment .................................................... 6
4 Operation and Communication ............................. 7
5 Packaging ........................................................... 13
6 Shipping Package .............................................. 15
7 Quality ................................................................ 16
8 Ordering Information........................................... 16
9 Further Information ............................................. 16
Figure 1 Functional block diagram of the SHT3x-DIS. The
sensor signals for humidity and temperature are factory
calibrated, linearized and compensated for temperature
and supply voltage dependencies.
nRESET
AlertSDA SCLADDR
Power on
Reset
Alert Logic
RESET
Digital Interface
RH Sensor
T Sensor
Data processing
& Linearization
ADCADC
Calibration
Memory
VSS
VDD
VSS
VDD
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