Low Power, 4% Accuracy Digital Humidity Sensor with Integrated Temperature Sensor

HDC1008 is not recommended for new designs.
This product continues to be in production to support existing customers. Please consider one of these alternatives:
Similar functionality to the compared device.
HDC2010 ACTIVE 2% RH ultra-small, low-power digital relative humidity sensor This product 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)
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Product details

Parameters

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Features

  • Relative Humidity (RH) Operating Range 0% to
    100%
  • 14 Bit Measurement Resolution
  • Relative Humidity Accuracy ±4%
  • Temperature Accuracy ±0.2 °C
  • 200 nA 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
  • Tiny 2 mm × 1.6 mm Device Footprint
  • I2C Interface
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Description

The HDC1008 is a digital humidity sensor with integrated 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 HDC1008 is placed on the bottom part of the device, which makes the HDC1008 more robust against dirt, dust, and other environmental contaminants. The HDC1008 is functional within the full –40°C to +125°C temperature range.

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Technical documentation

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Type Title Date
* Data sheet HDC1008 Low Power, High Accuracy Digital Humidity Sensor with Temperature Sensor datasheet (Rev. B) Dec. 01, 2015
Technical article Interface to sensors in seconds with ASC Studio Nov. 12, 2020
Technical article Understanding tamper detection sensors Nov. 18, 2019
Technical article Achieve extremely long battery life in wireless sensor nodes Jun. 18, 2015
Technical article 2-wire 4-20mA transmitters: Controlling 2-Wire Transmitter Outputs with Externally Powered Sources (Part 4) Feb. 24, 2015

Design & development

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Design tools & simulation

SIMULATION MODEL Download
SLYM072A.ZIP (51 KB) - IBIS Model

Reference designs

REFERENCE DESIGNS Download
Energy Harvesting Ambient Light and Environment Sensor Node for Sub-1GHz Networks Reference Design
TIDA-00488 TIDA-00488 demonstrates an ultra-low power and a renewable method of wireless environmental sensing using daylight energy harvesting with a long backup battery life. This reference design uses our ultra-low power harvester power management SimpleLink™ ultra-low power sub-1 GHz wireless (...)
document-generic Schematic
REFERENCE DESIGNS Download
Humidity & Temp Sensor Node for Sub-1GHz Star Networks Enabling 10+ Year Coin Cell Battery Life
TIDA-00484 This reference design uses our nano-power system timer, boost converter, SimpleLink™ ultra-low power Sub-1 GHz wireless microcontroller (MCU) platform and humidity sensing technologies to demonstrate an ultra-low power method to duty-cycle sensor end nodes leading to extremely long (...)
document-generic Schematic
REFERENCE DESIGNS Download
Humidity & Temp Sensor Node for Star Networks Enabling 10+ Year Coin Cell Battery Life Ref Design
TIDA-00374 This reference design uses our nano-power system timer, SimpleLink™ ultra-low power wireless microcontroller (MCU) platform and humidity sensing technologies to demonstrate an ultra-low power method to duty-cycle sensor end nodes. These technologies lead to an extremely long battery (...)
document-generic Schematic
REFERENCE DESIGNS Download
Interrupt-based environmental sensor node with ambient light for Sub-1 GHz networks reference design
TIDA-00758 This reference design demonstrates a low-power method of wireless environmental sensing enabling up to 10 years of coin-cell battery life.  The ambient-light sensor enables lighting control for applications  such as automatic window blinds or daylight harvesting. This design uses our (...)
document-generic Schematic
REFERENCE DESIGNS Download
Backlight and Smart Lighting Control by Ambient Light and Proximity Sensor Reference Design
TIDA-00373 This system conserves power and extends backlight life by dynamically adjusting the backlight brightness relative to the environment's ambient light.  A capacitive proximity sensor wakes up the system when a user is close to save even more power.

 

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