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濕度感測器

HDC2022

現行

2% RH 超低功耗數位相對濕度感測器、IP67 濾波器

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產品規格表
使用指南

現在提供此產品的更新版本

open-in-new 比較替代產品
功能相同，但引腳輸出與所比較的裝置不同
HDC3022 現行 具有永久式 IP67 濾波器的 0.5% RH 數位濕度感測器 Higher accuracy (±0.5 %RH) in smaller QFN package
HDC3022-Q1 現行 具有永久式 IP67 濾波器的車用 0.5% RH 數位濕度感測器 Automotive (Q100) qualified, higher accuracy (±0.5 %RH) in QFN (2.5 mm × 2.5 mm)

HDC2022

現行
產品規格表 立即訂購

產品詳細資料

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 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 Operating temperature range (°C) -40 to 125 Interface type I2C Rating Catalog
WSON (DEP) 6 9 mm² 3 x 3
  • Factory-installed IP67 rated water and dust protection cover
  • RH measurement range: 0% to 100%
  • Temperature measurement range: –40°C to 125°C

  • Humidity accuracy: ±2% (typical), ±3% (maximum)

  • Temperature accuracy: ±0.2°C (typical), ±0.4°C (maximum)

  • Supply voltage range: 1.62 V to 3.6 V
  • I2C interface compatibility
  • 50 nA sleep mode current
  • 550 nA average supply current (11-bit accuracy option, 1 measurement/second)

  • Continuous conversion or one-shot measurement mode

  • Backward-compatible with HDC2080
  • Factory-installed IP67 rated water and dust protection cover
  • RH measurement range: 0% to 100%
  • Temperature measurement range: –40°C to 125°C

  • Humidity accuracy: ±2% (typical), ±3% (maximum)

  • Temperature accuracy: ±0.2°C (typical), ±0.4°C (maximum)

  • Supply voltage range: 1.62 V to 3.6 V
  • I2C interface compatibility
  • 50 nA sleep mode current
  • 550 nA average supply current (11-bit accuracy option, 1 measurement/second)

  • Continuous conversion or one-shot measurement mode

  • Backward-compatible with HDC2080

The HDC2022 is an integrated relative humidity and temperature sensor with a factory-installed PTFE membrane cover over the opening of the relative humidity sensor. The cover is a hydrophobic micropourous PTFE foil that protects against dust and water according to IP67 specifications. The cover is designed to adhere to the package over lifetime operation while maintaining the same response time as a sensor without the membrane. The cover has a filtration efficiency of 99.99% down to a particle size of 100 nm.

The device is backward-compatible with the HDC2080, providing high accuracy measurements with very low power consumption in a small DFN package. The capacitive-based sensor includes new integrated digital features and a heating element to dissipate condensation and moisture. The digital features include programmable interrupt thresholds to provide alerts and system wake-ups without requiring a microcontroller to continuously monitor the system. Combined with programmable sampling intervals, low power consumption, and 1.8-V supply voltage support, the is designed for ultra-low power battery-operated systems.

The HDC2022 is an integrated relative humidity and temperature sensor with a factory-installed PTFE membrane cover over the opening of the relative humidity sensor. The cover is a hydrophobic micropourous PTFE foil that protects against dust and water according to IP67 specifications. The cover is designed to adhere to the package over lifetime operation while maintaining the same response time as a sensor without the membrane. The cover has a filtration efficiency of 99.99% down to a particle size of 100 nm.

The device is backward-compatible with the HDC2080, providing high accuracy measurements with very low power consumption in a small DFN package. The capacitive-based sensor includes new integrated digital features and a heating element to dissipate condensation and moisture. The digital features include programmable interrupt thresholds to provide alerts and system wake-ups without requiring a microcontroller to continuously monitor the system. Combined with programmable sampling intervals, low power consumption, and 1.8-V supply voltage support, the is designed for ultra-low power battery-operated systems.
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技術文件

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類型 標題 日期
* Data sheet HDC2022 High-Accuracy, Low-Power Humidity and Temperature Sensor datasheet (Rev. A) 2020年 6月 26日
* User guide HDC20XX Silicon User's Guide PDF | HTML 2020年 11月 30日
Application brief Using RH to Derive Vapor Pressure, Dew Point, Absolute Humidity, and Enthalpy PDF | HTML 2023年 2月 9日
White paper 85°C/85% RH Accelerated Life Test Impact on Humidity Sensors (Rev. A) PDF | HTML 2021年 9月 7日
Technical article Why long-term consistent performance matters for relative humidity sensors PDF | HTML 2021年 6月 21日
Application note Is a Protective Cover Needed for Humidity Sensors? PDF | HTML 2021年 4月 21日
Technical article How accurate sensing in HVAC systems improves efficiency and saves consumers money PDF | HTML 2021年 1月 26日
Technical article Interface to sensors in seconds with ASC Studio PDF | HTML 2020年 11月 12日
Application note Programming the HDC20X0 Devices 2018年 8月 29日
Application note Humidity Sensor: Storage and Handling Guidelines 2017年 8月 28日
Application note Optimizing Placement and Routing for Humidity Sensors (Rev. A) 2017年 3月 6日

設計與開發

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開發板

HDC2022EVM — HDC2022 溫度和濕度感測評估模組

The Texas Instruments HDC2022EVM evaluation module (EVM) enables designers to evaluate the operation and performance of the HDC2022 Relative Humidity and Temperature Sensor. The EVM hosts an MSP430F5528 microcontroller (µC) as well as the HDC2022. The µC is used to control the HDC2022 (...)
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開發板

HDC2080EVM — HDC2080 低功耗濕度和溫度感測器評估模組

The HDC2080EVM (evaluation module) is an easy to use, plug-and-play, platform for evaluating the functionality and performance of the HDC2080 humidity and temperature sensor.  The EVM utilizes a USB interface with MSP430F5528 microcontroller to establish communication between the HDC2080 (...)
使用指南: PDF
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  • 鉛塗層/球物料
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  • MTBF/FIT 估算值
  • 材料內容
  • 認證摘要
  • 進行中持續性的可靠性監測
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