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HDC1080

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2% RH low-power digital relative humidity sensor

Data sheet
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2% RH low-power digital relative humidity sensor

HDC1080

ACTIVE
Data sheet Order now

Product details

Parameters

Relative humidity accuracy (Typ) (%RH) ±2 Temperature accuracy (Typ) (°C) ±0.2 Relative humidity operating range (Typ) (%RH) 0 - 100 Supply voltage (Min) 2.7 Supply voltage (Max) 5.5 Average supply current (Typ) (uA) 1.2 @ 1 sample/sec Operating temperature range (C) -40 to 125 Interface type I2C Package type Open cavity Rating Catalog open-in-new Find other Humidity sensors

Package | Pins | Size

WSON (DMB) 6 9 mm² 3 x 3 open-in-new Find other Humidity sensors

Features

  • 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 @ 1sps, 11 bit RH Measurement
    • 1.3 µA @ 1sps, 11 bit RH and Temperature
      Measurement
  • Supply Voltage 2.7 V to 5.5 V
  • Small 3 mm × 3 mm Device Footprint
  • I2C Interface
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Description

The HDC1080 is a digital humidity sensor with integrated temperature sensor that 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.

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Technical documentation

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Type Title Date
* Data sheet HDC1080 Low Power, High Accuracy Digital Humidity Sensor with Temperature Sensor datasheet (Rev. A) Jan. 14, 2016
Application note Is a Protective Cover Needed for Humidity Sensors? Apr. 21, 2021
Technical article Interface to sensors in seconds with ASC Studio Nov. 12, 2020
Technical article Understanding tamper detection sensors Nov. 18, 2019
Application note Humidity Sensor: Storage and Handling Guidelines Aug. 28, 2017
Application note Optimizing Placement and Routing for Humidity Sensors (Rev. A) Mar. 06, 2017
Technical article Industrial stack lights get smarter with LEDs Aug. 09, 2016
Technical article 2-wire 4-20mA transmitters: Controlling 2-Wire Transmitter Outputs with Externally Powered Sources (Part 4) Feb. 24, 2015

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Hardware development

EVALUATION BOARD Download
document-generic User guide
49
Description

The HDC1080EVM evaluation kit is a plug and play system to test and evaluate the HDC1080 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 (...)

Features
  • Streaming relative humidity and temperature measurements
  • Data logging
  • Full register access
  • USB plug & play
  • Detachable sensor section for prototyping remote operation
View details

Software development

CODE EXAMPLE OR DEMO Download
SNAC076.ZIP (62 KB)

Design tools & simulation

SIMULATION MODEL Download
SNAM192.ZIP (25 KB) - IBIS Model

Reference designs

REFERENCE DESIGNS Download
ADC-based, digitally-isolated, wide-input, 16-channel, AC/DC binary input reference design
TIDA-00420 — This reference design showcases a cost-optimized and scalable ADC-based AC/DC binary input module (BIM) architecture with reinforced isolation. The 16 channels of a 10- or 12-bit SAR ADC are used for sensing multiple binary inputs. The op amps, in addition to keeping the cost per-channel low (...)
document-generic Schematic
REFERENCE DESIGNS Download
Flat-Clamp TVS based Reference Design for Protection Against Transient for Grid Applications
TIDA-010008 — This reference design features multiple approaches for  protecting AC or DC analog input, DC analog output, AC or DC binary input, digital output with a high side or low side driver, LCD bias supply, USB interfaces (power and data) and onboard power supplies with 24, 12 or 5V input used in (...)
document-generic Schematic
REFERENCE DESIGNS Download
RGB Signal Light With IO-Link Interface Reference Design
TIDA-01437 — This reference design implements a five-segment LED smart stack light with 20 LEDs used in factory floor and industrial process automation of greater complexity. An IO-Link interface is implemented for controlling the stack light and reading back status information. The design features low power (...)
document-generic Schematic
REFERENCE DESIGNS Download
Micropower Electrochemical Gas Sensor Amplifier Reference Design
TIDA-00854 — This reference design consists of a micropower “Potentistat” type electrochemical sensor circuit for battery operated portable or long-life portable or fixed remote location devices. Using a nanopower amplifier and reference circuit allows the circuit to function continuously and (...)
document-generic Schematic
REFERENCE DESIGNS Download
RGB LED Signal Tower With IO-Link Interface Reference Design
TIDA-00980 — The objective of the TIDA-00980 reference design is to develop an embedded firmware to interface and control the functions of a multi-segment RGB signal tower used in factory floor and industrial process automation of greater complexity. This design helps to give more flexible usage along with (...)
document-generic Schematic
REFERENCE DESIGNS Download
±2% Accurate Humidity Sensing Reference Design Supporting Robust 2m Wire Communication
TIDA-00972 — The TIDA-00972 reference design provides a sensor module level solution for +/- 2% of accuracy and reliable Relative Humidity (RH) and +/- 0.2 °C accuracy temperature sensing. The sensor module utilizes TI’s digital humidity and temperature sensor HDC1080 together with integrated (...)
document-generic Schematic
REFERENCE DESIGNS Download
Field Transmitter with BLE Connectivity Powered from 4 to 20-mA Current Loop Reference Design
TIDA-00666 — TIDA-00666 enables Bluetooth Low Energy communication powered from a 2-wire 4- to 20-mA loop. For industrial process control instruments, analog 4- to 20-mA current loops are commonly used for analog signaling, with 4 mA representing the lowest end of the range and 20 mA the highest. This (...)
document-generic Schematic
REFERENCE DESIGNS Download
RGB LED Signal Tower With Wi-Fi® Interface Reference Design
TIDA-00994 — The objective of the TIDA-00994 reference design is to develop an embedded firmware of a multi-segment RGB signal tower used in factory floor and industrial process automation of greater complexity. A Wi-Fi ® interface is implemented to control the stack light and read back status information (...)
document-generic Schematic
REFERENCE DESIGNS Download
RGB LED Signal Tower for Industrial Automation Reference Design
TIDA-00979 — This reference design is a multi-segment RGB signal tower for industrial process automation. The reference design enables fully flexible control of color and brightness and allows easy modification of the amount of segments. With this smart process condition and safety indicator, any (...)
document-generic Schematic

CAD/CAE symbols

Package Pins Download
WSON (DMB) 6 View options

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