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HDC3020 ACTIVE 0.5% RH digital humidity sensor, 0.19% long-term drift, 400 nA, 4-sec response time, NIST traceable Higher accuracy (±0.5 %RH) in smaller QFN package (2.5 mm × 2.5 mm)
HDC3020-Q1 ACTIVE Automotive 0.5% RH digital humidity sensor, 0.19% long-term drift, 400 nA, 4-sec response time Automotive (Q100) qualified, higher accuracy (±0.5 %RH) in QFN (2.5 mm × 2.5 mm)
HDC3021 ACTIVE 0.5% RH digital humidity sensor with removable tape cover Higher accuracy (±0.5 %RH) in smaller QFN with removable tape for conformal coating
HDC3022 ACTIVE 0.5% RH digital humidity sensor with permanent IP67 filter Higher accuracy (±0.5 %RH) in smaller QFN with permanent IP67 filter

Product details

Relative humidity accuracy (typ) (%RH) 2 Temperature accuracy (typ) (°C) 0.2 Relative humidity operating range (typ) (%RH) 0 to 100 Supply voltage (min) (V) 1.62 Supply voltage (max) (V) 3.6 Average supply current (typ) (A) 0.55 at 1 sample/sec Operating temperature range (°C) -40 to 125 Interface type I2C Rating Catalog
Relative humidity accuracy (typ) (%RH) 2 Temperature accuracy (typ) (°C) 0.2 Relative humidity operating range (typ) (%RH) 0 to 100 Supply voltage (min) (V) 1.62 Supply voltage (max) (V) 3.6 Average supply current (typ) (A) 0.55 at 1 sample/sec Operating temperature range (°C) -40 to 125 Interface type I2C Rating Catalog
DSBGA (YPA) 6 2.25 mm² 1.5 x 1.5
  • Relative humidity range: 0% to 100%
  • Humidity accuracy: ±2%
  • Sleep current: 50 nA
  • Average supply current (1 measurement per second)
    • RH only (11 bit): 300 nA
    • RH (11 bit) + temperature (11 bit): 550 nA
  • Temperature range:
    • Operating: –40°C to 85°C
    • Functional: –40°C to 125°C
  • Temperature accuracy: ±0.2°C typical
  • Supply voltage: 1.62 V to 3.6 V
  • Programmable sampling rate (5 Hz, 2 Hz, 1 Hz, 0.2 Hz, 0.1 Hz, 1/60 Hz, 1/120 Hz) or trigger on demand
  • I2C interface
  • Relative humidity range: 0% to 100%
  • Humidity accuracy: ±2%
  • Sleep current: 50 nA
  • Average supply current (1 measurement per second)
    • RH only (11 bit): 300 nA
    • RH (11 bit) + temperature (11 bit): 550 nA
  • Temperature range:
    • Operating: –40°C to 85°C
    • Functional: –40°C to 125°C
  • Temperature accuracy: ±0.2°C typical
  • Supply voltage: 1.62 V to 3.6 V
  • Programmable sampling rate (5 Hz, 2 Hz, 1 Hz, 0.2 Hz, 0.1 Hz, 1/60 Hz, 1/120 Hz) or trigger on demand
  • I2C interface

The HDC2010 is an integrated humidity and temperature sensor that provides high accuracy measurements with very low power consumption, in an ultra-compact WLCSP (Wafer Level Chip Scale Package). The sensing element of the HDC2010 is placed on the bottom part of the device, which makes the HDC2010 more robust against dirt, dust, and other environmental contaminants. The capacitive-based sensor includes new integrated digital features and a heating element to dissipate condensation and moisture. The HDC2010 digital features include programmable interrupt thresholds to provide alerts/system wake-ups without requiring a microcontroller to be continuously monitoring the system. This, combined with programmable sampling intervals, low inherent power consumption, and support for 1.8-V supply voltage, make the HDC2010 well suited for battery-operated systems.

The HDC2010 provides high accuracy measurement capability for a wide range of environmental monitoring applications and Internet of Things (IoT) such as smart thermostats, smart home assistants and wearables. The HDC2010 can also be used to provide critical temperature and humidity data for cold chain transportation and storage of perishable goods to help ensure products like food and pharmaceuticals arrive fresh.

The HDC2010 is factory-calibrated to 0.2°C temperature accuracy and 2% relative humidity accuracy and includes a heating element to burn away condensation and moisture for increased reliability. The HDC2010 supports operation from –40°C to 125°C and from 0% to 100% relative humidity.

The HDC2010 is an integrated humidity and temperature sensor that provides high accuracy measurements with very low power consumption, in an ultra-compact WLCSP (Wafer Level Chip Scale Package). The sensing element of the HDC2010 is placed on the bottom part of the device, which makes the HDC2010 more robust against dirt, dust, and other environmental contaminants. The capacitive-based sensor includes new integrated digital features and a heating element to dissipate condensation and moisture. The HDC2010 digital features include programmable interrupt thresholds to provide alerts/system wake-ups without requiring a microcontroller to be continuously monitoring the system. This, combined with programmable sampling intervals, low inherent power consumption, and support for 1.8-V supply voltage, make the HDC2010 well suited for battery-operated systems.

The HDC2010 provides high accuracy measurement capability for a wide range of environmental monitoring applications and Internet of Things (IoT) such as smart thermostats, smart home assistants and wearables. The HDC2010 can also be used to provide critical temperature and humidity data for cold chain transportation and storage of perishable goods to help ensure products like food and pharmaceuticals arrive fresh.

The HDC2010 is factory-calibrated to 0.2°C temperature accuracy and 2% relative humidity accuracy and includes a heating element to burn away condensation and moisture for increased reliability. The HDC2010 supports operation from –40°C to 125°C and from 0% to 100% relative humidity.

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HDC2022 ACTIVE 2% RH ultra-low-power digital relative humidity sensor, IP67 filter Permanent IP67 filter, p2p and software compatible
HDC2080 ACTIVE 2% RH ultra-low-power digital relative humidity sensor, interrupt/DRDY QFN package, software compatible

Technical documentation

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Type Title Date
* Data sheet HDC2010 Low-Power Humidity and Temperature Digital Sensors datasheet (Rev. D) PDF | HTML 02 Feb 2021
* User guide HDC20XX Silicon User's Guide PDF | HTML 30 Nov 2020
Application brief Using RH to Derive Vapor Pressure, Dew Point, Absolute Humidity, and Enthalpy PDF | HTML 09 Feb 2023
User guide BOOSTXL-BASSENSORS User's Guide (Rev. B) 01 Sep 2022
Application brief Improving System Reliability in Auto and Ind. Cameras w/ AccurateTemp. Sensing PDF | HTML 03 Jan 2022
White paper 85°C/85% RH Accelerated Life Test Impact on Humidity Sensors (Rev. A) PDF | HTML 07 Sep 2021
Technical article Why long-term consistent performance matters for relative humidity sensors PDF | HTML 21 Jun 2021
Application note Is a Protective Cover Needed for Humidity Sensors? PDF | HTML 21 Apr 2021
Technical article How accurate sensing in HVAC systems improves efficiency and saves consumers money PDF | HTML 26 Jan 2021
Technical article Interface to sensors in seconds with ASC Studio PDF | HTML 12 Nov 2020
White paper Simplifying Signal Chain Design for High Performance in Small Systems 22 Oct 2020
Application brief Self Diagnostics and Environmental Sensing in IP Network Cameras 10 Oct 2019
Application note Low-Power Design Techniques for Temperature-Sensing Applications 06 Jun 2019
Application note Programming the HDC20X0 Devices 29 Aug 2018
Application brief Humidity Sensors 09 Jul 2018
Application note Humidity Sensor: Storage and Handling Guidelines 28 Aug 2017
Application note Optimizing Placement and Routing for Humidity Sensors (Rev. A) 06 Mar 2017

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