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HDC3020DEFR - Texas Instruments

Description: Board Mount Humidity Sensors 0.5% RH digital humidity sensor, 0.19% long-term drift, 400 nA, 4-sec response time, NIST traceable

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HDC3020DEFR - Texas Instruments - PCB symbol
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PCB Footprints
HDC3020DEFR - Texas Instruments PCB footprint - Small Outline No-lead - Small Outline No-lead - DEF0008A-C01
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HDC3020DEFR - Texas Instruments - 3D model - Small Outline No-lead - DEF0008A-C01
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HDC3020DEFR Details

  • Manufacturer Part Number:

    HDC3020DEFR

  • 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

  • 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)

HDC3020DEFR 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 common ground point for the analog and digital grounds.
  • Calibrate the sensor in a controlled environment, and ensure proper sensor sealing to prevent contamination. Use a low-pass filter to reduce noise and averaging to improve accuracy.
  • The maximum cable length for the I2C interface is approximately 3 meters (10 feet) due to signal attenuation and capacitance. Use a repeater or buffer for longer distances.
  • Use the EN pin to control the power mode. Set EN high to enable the device and low to disable. The device will enter low power mode when EN is low, reducing current consumption to <1 μA.
  • The recommended clock frequency for the I2C interface is 100 kHz to 400 kHz. Faster clock speeds may cause communication errors.

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HDC3020DEFR 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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