HTU20D and HTU20D(F)
The digital HTU20D OEM sensor is a combination of capacitive humidity sensing element and temperature sensor. Each sensor is individually calibrated, compensated for and tested.
The humidity can be measured within a range of 0 to 100% RH. The temperature sensor is designed for a range of -40 to 125°C.
The outputs for humidity and temperature in I²C format are suitable for further data processing using simple, inexpensive microcontrollers.
The resolution of the HTU20D can be programmed (8/12 bits to 12/14 bits RH/T). As the sensor has a low power consumption it is suitable for battery operation, with information on the current battery level provided.
Secure data transmission is ensured by a CLC or cyclic redundancy check. Humidity and temperature signal response times and the recovery time (following full saturation) are within a range of a few seconds.
The HTU20D’s semiconductor components are mounted in a (reflow) solderable 3 x 3 mm2 DFN chip package (dual-flat no-lead) 0.9 mm high.
Variants of the HTU20
The HTU20D is also available as the optional HTU20D(F) with a PTFE filter membrane to protect it from dust, liquid and contamination.
Pre-assembled sensors on circuit boards in the HTU21D series – the PHTU21D – are also available which can be used as development modules for the OEM humidity sensors.
Analog humidity sensor HTU(F)353X or the digital HTU(F)383X version are also provided as ready-to-use humidity sensor modules based on the HTU.
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