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HDC3022DEJR - Texas Instruments

Description: 0.5% RH digital humidity sensor with permanent IP67 filter

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HDC3022DEJR - Texas Instruments - PCB symbol
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PCB Footprints
HDC3022DEJR - Texas Instruments PCB footprint - Small Outline No-lead - Small Outline No-lead - DEJ0008A-C01
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3D Models
HDC3022DEJR - Texas Instruments - 3D model - Small Outline No-lead - DEJ0008A-C01
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HDC3022DEJR Details

  • Manufacturer Part Number:

    HDC3022DEJR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Accuracy-Max (%):

    0.5%

  • Accuracy-Max (Cel):

    0.1 Cel

  • Additional Feature:

    IP67

  • Body Breadth:

    2.5 mm

  • Body Height:

    0.75 mm

  • Body Length or Diameter:

    2.5 mm

  • JESD-609 Code:

    e4

  • Mounting Feature:

    SURFACE MOUNT

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output:

    OPEN-DRAIN

  • Output Range:

    0.4-1.4V

  • Output Type:

    DIGITAL VOLTAGE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Equivalence Code:

    SOLCC8,.09,20

  • Package Shape/Style:

    SQUARE

  • Sensors/Transducers Type:

    HUMIDITY AND TEMPERATURE SENSOR

  • Supply Voltage-Max:

    5.5 V

  • Supply Voltage-Min:

    1.62 V

  • Surface Mount:

    YES

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

HDC3022DEJR Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the analog and digital sections separate, and use a ferrite bead or inductor to filter the power supply.
  • Calibrate the sensor in a controlled environment, and ensure the sensor is not exposed to direct sunlight or moisture. Use a low-pass filter to reduce noise and averaging to improve accuracy.
  • The maximum cable length for I2C communication is approximately 3 meters (10 feet) due to signal attenuation and capacitance. Use a repeater or buffer if longer distances are required.
  • Use the EN pin to control the power mode. When EN is low, the device enters low power mode. Ensure the I2C bus is idle before entering low power mode to avoid data corruption.
  • The recommended I2C clock frequency is 100 kHz to 400 kHz. Faster clock speeds may cause data corruption or errors.

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HDC3022DEJR Overview

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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