Texas Instruments HDC1080 High Accuracy Digital Humidity Sensor

Texas Instruments HDC1080 High Accuracy Digital Humidity Sensor is a digital humidity sensor with an integrated temperature sensor. This sensor 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. Typical applications include HVAC, smart thermostats & room monitors, printers, handheld meters, medical devices, and wireless sensors.

Features

  • Relative humidity accuracy ±2% (typical)
  • <0.5%/year Typical drift
  • 180µA Supply current (measuring)
  • Temperature accuracy ±0.2°C (typical)
  • Excellent stability at high-humidity
  • 14-bit measurement resolution
  • 100nA sleep mode current
  • Average supply current
  • 710nA @ 1sps, 11 bit RH measurement
  • 1.3µA @ 1sps, 11 bit RH, and temperature measurement
  • Supply voltage 2.7V to 5.5V
  • -20ºC to +85ºC Operating temperature range
  • Small 3mm×3mm device footprint
  • I2C interface

Applications

  • HVAC
  • Smart thermostats and room monitors
  • White goods (dryer, refrigerator, microwave, dishwasher)
  • Printers
  • Handheld meters
  • Camera defog
  • Medical devices
  • Wireless sensors

Typical Application Circuit

Application Circuit Diagram - Texas Instruments HDC1080 High Accuracy Digital Humidity Sensor
Publicado: 2016-04-07 | Actualizado: 2023-10-31