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Texas Instruments - HDC1080

The HDC1080 is a digital humidity sensor with integrated temperature sensor that provides excellent measurement accuracy at very low power. The HDC1080 operates over a wide supply range, and is a low cost, low power alternative to competitive solutions in a wide range of common applications. The humidity and temperature sensors are factory calibrated. 


  • Relative Humidity Accuracy ±2% (typical)
  • Temperature Accuracy ±0.2°C (typical)
  • Excellent Stability at High Humidity
  • 14 Bit Measurement Resolution
  • 100 nA Sleep Mode Current
  • Average Supply Current:
    • 710 nA @ 1sps, 11 bit RH Measurement
    • 1.3 µA @ 1sps, 11 bit RH and Temperature Measurement
  • Supply Voltage 2.7 V to 5.5 V
  • Small 3 mm × 3 mm Device Footprint
  • I2C Interface


  • AC Charging (Pile) Station
  • Air Conditioner Indoor Unit
  • Air Conditioner Outdoor Unit
  • Air Purifiers & Humidifiers
  • Air Quality and Gas Detection
  • Applications Processor Module
  • Bedside Patient Monitor
  • Blood Glucose Monitors

Block Diagram

Texas Instruments - HDC1080, Digital Humidity Sensor





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