HTU31D

HTU31D

制造商：: TE Connectivity Passive Product

TE HTU31D Digital Humidity & Temperature Sensor

规格

Product Introduction

The HTU31D is a digital relative humidity sensor with temperature output. It is designed to meet the demands of energy-efficient sensors in appliance, consumer, industrial, medical, and automotive applications. The sensor provides fast response time, precision measurement, low hysteresis, and sustained performance even when exposed to extreme temperature and humidity environments. It is available in both digital and analog versions, combining multiple functions and various interfaces with an application-friendly operating voltage range.

Features

  • Fully calibrated, temperature compensated
  • Voltage supply range from 3V to 5.5V
  • Typical accuracy ±2%RH and ±0.2°C
  • Fast response time
  • Compact 6-Pin DFN package
  • Qualified according to AEC Q100 grade 1 standard
  • Typical power consumption down to 3.78µW
  • High reliability and environmental robustness
  • Full interchangeability with no calibration required in standard conditions
  • Quick recovery after long periods in saturation phase
  • Compatible with automatic assembly processes
  • Reflow solderable
  • Individual marking for compliance to stringent traceability requirements
  • Lead free sensor
  • Low power consumption

Applications

  • Home Appliance
  • Medical
  • Printers
  • Humidifier
  • Automotive
  • Meteorology
  • Environmental Monitoring

Specifications Table

Parameter Value
Humidity Operating Range 0 to 100 %RH
Relative Humidity Accuracy (Typical) ±2 %RH
Humidity Resolution (Typical) 0.01 %RH
Humidity Hysteresis @25°C ±0.7 %RH
Humidity Response Time 5 s
Recovery Time after Condensation (Typical) 10 s
Humidity Long Term Drift (Typical) 0.5 %RH/yr
Temperature Operating Range -40 to 125 °C
Temperature Accuracy (Typical) ±0.2 °C
Temperature Resolution (Typical) 0.016 °C
Temperature Response Time 10 s
Temperature Long Term Drift (Typical) 0.04 °C/yr
Storage Temperature -40 to 150 °C
Supply Voltage (Peak) 6V Vdc
Voltage Supply (Min) 3.0 V
Voltage Supply (Typ) 5.0 V
Voltage Supply (Max) 5.5 V
Current Consumption (Sleep mode) 0.05 to 0.20 µA
Current Consumption (Measuring) 450 µA
Power Dissipation (Sleep mode) 0.25 to 1 µW
Power Dissipation (Typical) 3.78 µW
Power Dissipation (Measuring) 2.25 mW
Heater Resistance 1.5 to 2.5 kΩ
Heater Power 10 to 16 W
Power Up Time 10 ms
Soft Reset Time 15 ms
Duration of Reset Pulse 2 ms
Humidity Conversion Time (OSR = 3) 8.34 ms
Humidity Conversion Time (OSR = 2) 4.21 ms
Humidity Conversion Time (OSR = 1) 2.14 ms
Humidity Conversion Time (OSR = 0) 1.11 ms
ESD HBM ±4 kV
ESD Charged Device Model 750 V
ESD Machine Model ±200 V

To learn more, please download the PDF.

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