• Digital Humidity and Temperature Sensor
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Digital Humidity and Temperature Sensor

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  • Price

    Price on request   ≥1piece

  • Model Number

    SHT15

  • Data Sheet

  • Package

    Original packaging

  • Specs

    SHT15

  • Quantity

    - +

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Product Description

SHT15 Digital Humidity and Temperature Sensor Product Summary
SHT1x (including SHT10, SHT11 and SHT15) is Sensirion’s family of surface mountable relative humidity and temperature sensors. The sensors integrate sensor elements plus signal processing on a tiny foot print and provide a fully calibrated digital output. A unique capacitive sensor element is used for measuring relative humidity while temperature is measured by a band-gap sensor. The applied CMOSens® technology guarantees excellent reliability and long term stability. Both sensors are seamlessly coupled to a 14bit analog to digital converter and a serial interface circuit. This results in superior signal quality, a fast response time and insensitivity to external disturbances (EMC).

Each SHT1x humidity sensor is individually calibrated in a precision humidity chamber. The calibration coefficients are programmed into an OTP memory on the chip. These coefficients are used to internally calibrate the signals from the sensors. The two-wire serial interface and internal voltage regulation allows for easy and fast system integration. SHT1x is supplied in a surface-mountable LCC (leadless chip carrier), which is approved for standard reflow soldering processes. 

SHT15 Digital Humidity and Temperature Sensor FEATURES
• Fully calibrated
• Digital output
• Low power consumption
• Excellent long term stability
• SMD type package – reflow solderable

SHT15 Digital Humidity and Temperature Sensor PERFORMANCE
Relative Humidity
Parameter
 Condition
 min
 typ
 max
 Units
Resolution
0.4
 0.05 0.05 %RH
8
 12 12 bit
Accuracy
 typical
±2.0 
%RH
maximal
 see Figure 2
Repeatability

±0.1
%RH
Hysteresis

±1
%RH
Non-linearity
 linearized
<<1
%RH
Response time
 τ (63%)
8
s
Operating Range
0
100 %RH
Long term drift
 normal
< 0.5
%RH/yr


Temperature
Parameter
 Condition
 min
 typ
 max
 Units
Resolution
0.04 0.01 0.01 °C
12 14 14 bit
Accuracy
 typical
±0.3
°C
maximal
 see Figure 3
Repeatability

±0.1 
°C
Operating Range
-40
123.8 °C
-40
254.9 
 °F
Response Time
 τ (63%)
 5
30 s
Long term drift

< 0.04
°C/yr


Electrical and General Items
Parameter
 Condition
 min
 typ
 max
 Units
Source Voltage
2.4 3.3 5.5 V
Power Consumption
 sleep
2 5 µW
measuring
3
mW
average
90
µW
Communication
 digital 2-wire interface, see Communication
Storage
 10 - 50°C (0 - 125°C peak), 20 - 60%RH


Other Series:

Series

Typ. Humidity 

Accuracy %RH

Typ. Temperature

Accuracy °C

Supply Voltage Range V

Interface

Package Size

(L x W x H) mm
SHT30 ±2 ±0.2 2.4 to 5.5 I2C, analog voltage 2.5 x 2.5 x 0.9
SHT31 ±2 ±0.2 2.4 to 5.5 I2C, analog voltage 2.5 x 2.5 x 0.9
SHT35 ±1.5 ±0.1 2.4 to 5.5 I2C 2.5 x 2.5 x 0.9
SHTW1
 ±3
 ±0.4
 1.62 to 1.98
 I2C
 1.3 x 0.7 x 0.5
SHTW2 ±3 ±0.4 1.62 to 1.98 I2C 1.3 x 0.7 x 0.5
SHTC1 ±3 ±0.3 1.62 to 1.98 I2C 2 x 2 x 0.8
SHT20 ±3 ±0.3 2.1 to 3.6 I2C, PWM, SDM 3 x 3 x 1.1
SHT21 ±2 ±0.3 2.1 to 3.6 I2C, PWM, SDM 3 x 3 x 1.1
SHT25 ±1.8 ±0.2 2.1 to 3.6 I2C 3 x 3 x 1.1
SHT10* ±4.5 ±0.5 2.4 to 5.5 Digital Sbus 7.5 x 4.9 x 2.6
SHT11*

±3

±0.4 2.4 to 5.5 Digital Sbus 7.5 x 4.9 x 2.6
SHT15* ±2 ±0.3 2.4 to 5.5 Digital Sbus 7.5 x 4.9 x 2.6
SHT71 ±3 ±0.4 2.4 to 5.5 Digital Sbus 19.5 x 5.08 x 3.1
SHT75 ±1.8 ±0.3 2.4 to 5.5 Digital Sbus 19.5 x 5.08 x 3.1
*Not recommended for new design (NRND); newer products available