The Sensirion SHTW2 is a digital humidity and temperature sensor in a tiny WLCSP4 flip-chip SMT package. A complete sensor system is contained within a single chip, and includes a capacitive humidity sensor, a bandgap temperature sensor, analogue and digital signal processing circuits, calibration data memory and a digital interface which supports I2C fast mode communication. The low power consumption and 1.8V operating voltage make this device ideal for mobile or wireless applications where space and available power is limited.
Operating supply voltage 1.8V Idle state current 0.7uA, average operating current 4.8uA Humidity measurement range 0 to 100 %RH, typical accuracy ±3 %RH Temperature measurement range -30 to 100 °C, typical accuracy ±0.4°C
Temperature & Humidity Sensors, Sensirion
Attribute
Value
Sensor Function
Temperature & Humidity
Output Type
Digital
Interface Type
Serial-I2C
Accuracy
±0.4 °C, ±3%RH
Mounting Type
Surface Mount
Pin Count
4
Minimum Operating Temperature
-40 °C
Operating Temperature Range
-40 to +125 °C
Maximum Operating Temperature
+125 °C
Minimum Operating Supply Voltage
1.62 V
Maximum Operating Supply Voltage
1.98 V
Package Type
Flip Chip
Length
1.34mm
Height
0.42mm
Width
0.77mm
Dimensions
1.34 x 0.77 x 0.42mm
Resolution
0.01 (Humidity) %RH, 0.01 (Temperature) °C
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