HDC2022 - Texas Instruments

HDC2022 Low-Power Humidity and Temperature Sensor

The HDC2022 is an integrated relative humidity and temperature sensor with a factory-installed PTFE membrane cover over the opening of the relative humidity sensor. The cover is a hydrophobic micropourous PTFE foil that protects against dust and water according to IP67 specifications. The cover is designed to adhere to the package over lifetime operation wh.

Features

• Factory-installed IP67 rated water and dust protection cover
• RH measurement range: 0% to 100%
• Temperature measurement range:
  –40°C to 125°C
• Humidity accuracy: ±2% (typical), ±3% (maximum)
• Temperature accuracy: ±0.2°C (typical), ±0.4°C (maximum)
• Supply voltage range: 1.62 V to 3.6 V
• I2C interface compatibility
• 50 nA sleep mode current
• 550 nA average supply current (11-bit accuracy option, 1 measurement/second)
• Continuous conversion or one-shot measurement mode
• Backward-compatible with HDC2080 2 Applications
• Thermostats
• Smart speakers (with voice assistant)
• Washers .