(ACTIVE) HDC1080 Low Power, High Accuracy Digital Humidity Sensor with Temperature Sensor


Functional Diagram


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
  • Supply Voltage 2.7 V to 5.5 V
  • Small 3 mm × 3 mm Device Footprint
  • I2C Interface


Relative humidity accuracy (Typ) (%RH) ±2    
Relative humidity operating range (Typ) (%RH) 0 - 100    
Temperature Accuracy (Typ) (°C) ±0.2    
Supply Voltage (Min) 2.7    
Supply Voltage (Max) 5.5    
Average supply current (Typ) (uA) 1.2 @ 1 sample/sec    
Interface I2C    
Rating Catalog    
Operating temperature range (C) -40 to 125    
Package size: mm2:W x L (PKG) See datasheet (WSON)    

Companion Products

Technical Documents

Datasheet (1)

Application notes (2)

User guides (1)

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