• WLCSP Digital Humidity and Temperature Sensor
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WLCSP Digital Humidity and Temperature Sensor

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  • Price

    Price on request   ≥1piece

  • Model Number

    SHTW2

  • Data Sheet

  • Package

    Original packaging

  • Specs

    SHTW2

  • Quantity

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Product Description

SHTW2 Digital Humidity and Temperature Sensor Product Summary
The SHTW2 is a digital humidity and temperature sensor in a flip chip package. This type of package opens up a new category of ultra-small humidity sensors which are suitable for applications with the tightest space constraints. At the same time, the flip chip package impresses with its pure simplicity.

The sensor is based on Sensirion’s CMOSens ® technology, which offers a complete sensor system on a single chip, consisting of a capacitive humidity sensor, a bandgap temperature sensor, analog and digital signal processing, A/D converter, calibration data memory, and a digital communication interface supporting I2C fast mode.

The sensor covers a humidity measurement range of 0 to 100 %RH and a temperature measurement range of -30 to 100 °C with a typical accuracy of ±3 %RH and ±0.4°C. The operation voltage of 1.8 V and the low power consumption make the SHTW2 suitable for mobile or wireless applications running on the tightest power budgets. With the industry-proven quality and reliability of Sensirion’s humidity and temperature sensors and constant accuracy over a large measurement range, the SHTW2 offers an unprecedented performance-to-price ratio. Tape and reel packaging together with suitability for standard SMD assembly processes make the SHTW2 predestined for high-volume applications.

SHTW2 Digital Humidity and Temperature Sensor FEATURES
• Ultra-small flip chip package: 1.3 × 0.7 × 0.5 mm3
• Fully calibrated and reflow solderable
• Ultra-low power consumption
• Power-up and measurement within 1 ms
• 1.8 V supply voltage
• Typical accuracy: ±3 %RH and ±0.4 °C

SHTW2 Digital Humidity and Temperature Sensor Specifications
Relative Humidity
Parameter
 Conditions
 Value
 Units
Accuracy tolerance
 Typ.
 ±3.0
 %RH
Max.
 see Figure 2
 %RH
Repeatability
 - 0.1 %RH
Resolution
 - 0.01 %RH
Hysteresis
 - ±1
 %RH
Specified range
 extended
 0 to 100
 %RH
Response time
 τ63%
 8
 s
Long-term drift
 Typ.
 <0.25
 %RH/y


Temperature
Parameter
 Conditions
 Value
 Units
Accuracy tolerance
 Typ.
 ±0.4
 °C
Max.
 see Figure 3
 °C
Repeatability
 - 0.1 °C
Resolution
 - 0.01 °C
Specified range
 - -30 to +100
 °C
Response time
 τ63%
 <5 to 30
 s
Long-term drift
 Normal range
 <0.02
 °C/y


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