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Same functionality with different pin-out to the compared device.
HDC3021 ACTIVE 0.5% RH digital humidity sensor with removable tape cover Higher accuracy (±0.5 %RH) in 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 QFN with permanent IP67 filter
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 QFN package (2.5 mm × 2.5 mm)

Product details

Relative humidity accuracy (typ) (%RH) 2 Temperature accuracy (typ) (°C) 0.2 Relative humidity operating range (typ) (%RH) 0 to 100 Average supply current (typ) (µA) 1.3 Operating temperature range (°C) -40 to 85 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 Average supply current (typ) (µA) 1.3 Operating temperature range (°C) -40 to 85 Interface type I2C Rating Catalog
DSBGA (YPA) 8 3.9375 mm² (— mm × — mm)
  • 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 @ 1 sps, 11 bit RH Measurement
    • 1.3 µA @ 1 sps, 11 bit RH and Temperature Measurement
  • Supply Voltage 2.7 V to 5.5 V
  • Tiny 2 mm × 1.6 mm Device Footprint
  • I2C Interface
  • 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 @ 1 sps, 11 bit RH Measurement
    • 1.3 µA @ 1 sps, 11 bit RH and Temperature Measurement
  • Supply Voltage 2.7 V to 5.5 V
  • Tiny 2 mm × 1.6 mm Device Footprint
  • I2C Interface

The HDC1010 is a digital humidity sensor with integrated temperature sensor that provides excellent measurement accuracy at very low power. The HDC1010 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 innovative WLCSP (Wafer Level Chip Scale Package) simplifies board design with the use of an ultra-compact package. The sensing element of the HDC1010 is placed on the bottom part of the device, which makes the HDC1010 more robust against dirt, dust, and other environmental contaminants. The humidity and temperature sensors are factory calibrated and the calibration data is stored in the on-chip non-volatile memory.

The HDC1010 is a digital humidity sensor with integrated temperature sensor that provides excellent measurement accuracy at very low power. The HDC1010 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 innovative WLCSP (Wafer Level Chip Scale Package) simplifies board design with the use of an ultra-compact package. The sensing element of the HDC1010 is placed on the bottom part of the device, which makes the HDC1010 more robust against dirt, dust, and other environmental contaminants. The humidity and temperature sensors are factory calibrated and the calibration data is stored in the on-chip non-volatile memory.

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Technical documentation

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Top documentation Type Title Format options Date
* Data sheet HDC1010 Low Power, High Accuracy Digital Humidity Sensor with Temperature Sensor datasheet (Rev. A) PDF | HTML Aug 29, 2016
Application note TI Humidity Sensors: Programming & Integration Guide PDF | HTML Nov 3, 2025
Application note How to Debug RH Accuracy Issues in RH Sensors PDF | HTML Oct 30, 2025
Application note Is a Protective Cover Needed for Humidity Sensors? PDF | HTML Apr 21, 2021
Application note Humidity Sensor: Storage and Handling Guidelines Aug 28, 2017
Application note Optimizing Placement and Routing for Humidity Sensors (Rev. A) Mar 6, 2017
Application note HDC1010 Pin FMEA Dec 15, 2016
Technical article How to use boost converters in wireless sensor nodes PDF | HTML Oct 6, 2015

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Evaluation board

HDC1010EVM — HDC1010 Low Power Humidity and Temperature Sensor Evaluation Module

The HDC1010EVM evaluation kit is a plug and play system to test and evaluate the HDC1010 humidity and temperature sensor. The EVM utilizes a USB interface for control and data streaming, and can be to plugged into a PC USB port. With the simple GUI, humidity and temperature measurements can be (...)
User guide: PDF
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Simulation model

HDC1010 IBIS MODEL (Rev. A)

SLYM072A.ZIP (51 KB) - IBIS model
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DSBGA (YPA) 8 Ultra Librarian

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