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Texas Instruments HDC1000

HDC1000 - Low Power, High Accuracy Digital Humidity Sensor with Integrated Temperature Sensor

The HDC1000 is an integrated humidity and temperature sensor that provides excellent measurement accuracy at very low power.

The device measures humidity based on a novel capacitive sensor. The humidity and temperature sensors are factory calibrated. The innovative WLCSP (Wafer Level Chip Scale Package) simplifies board design with the use of an ultra-compact package.

The sensing element of the HDC1000 is placed on the bottom part of the device, which makes the HDC1000 more robust against dirt, dust, and other environmental contaminants. The HDC1000 is functional within the full –40°C to +125°C temperature range.

Key Features

  • Relative Humidity (RH) Operating Range 0% to 100%
  • 14 Bit Measurement Resolution
  • Relative Humidity Accuracy ±3%
  • Temperature Range
    • Operating -20°C to 85°C
    • Functional -40°C to 125°C
  • Temperature Accuracy ±0.2°C
  • 200nA Sleep Mode Current
  • Average Supply Current:
    • 820 nA @ 1sps, 11 bit RH Measurement
    • 1.2 µA @ 1sps, 11 bit RH and Temperature Measurement
  • Supply Voltage 3 V to 5 V
  • I2C Interface

Applications

  • HVAC
  • Smart Thermostats and Room Monitors
  • White Goods
  • Printers
  • Handheld Meters
  • Medical Devices

Block Diagram

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