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HDC3021QDEHRQ1 - Texas Instruments

Description: Board Mount Humidity Sensors Automotive 0.5% RH digital humidity sensor with removable tape cover

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HDC3021QDEHRQ1 - Texas Instruments - PCB symbol
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PCB Footprints
HDC3021QDEHRQ1 - Texas Instruments PCB footprint - Small Outline No-lead - Small Outline No-lead - DEF0008A-C01
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3D Models
HDC3021QDEHRQ1 - Texas Instruments - 3D model - Small Outline No-lead - DEF0008A-C01
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HDC3021QDEHRQ1 Details

  • Manufacturer Part Number:

    HDC3021QDEHRQ1

  • 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:

    1.04 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:

    0.20-1.60V

  • Output Type:

    DIGITAL VOLTAGE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Equivalence Code:

    SOLCC8,.1,20

  • Package Shape/Style:

    SQUARE

  • Screening Level:

    AEC-Q100

  • 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)

HDC3021QDEHRQ1 Frequently Asked Questions (FAQs)

  • A good PCB layout for the HDC3021QDEHRQ1 involves keeping the analog and digital grounds separate, using a solid ground plane, and placing the device close to the battery or power source. Additionally, it's recommended to use a 4-layer PCB with a dedicated power plane and a dedicated ground plane.
  • To ensure proper calibration, follow the calibration procedure outlined in the datasheet, which involves applying a known humidity and temperature stimulus to the device and adjusting the internal calibration registers accordingly. It's also recommended to perform periodic recalibration to maintain accuracy.
  • The recommended power-up sequence for the HDC3021QDEHRQ1 involves applying the power supply voltage (VDD) before the input voltage (VIN). This ensures that the internal voltage regulators are properly enabled before the device starts operating.
  • To minimize power consumption, the HDC3021QDEHRQ1 can be put into sleep mode by setting the appropriate register bits. In sleep mode, the device's power consumption is significantly reduced. However, it's essential to ensure that the device is properly woken up before taking measurements to ensure accurate readings.
  • The recommended method for interfacing the HDC3021QDEHRQ1 with a microcontroller or other digital systems involves using a digital interface such as I2C or SPI. The device's digital output can be connected directly to the microcontroller's digital input pins, and the microcontroller can then read the humidity and temperature data from the device.

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HDC3021QDEHRQ1 Overview

Use the download button to access the HDC3021QDEHRQ1 schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like HDC30, or try a keyword search, such as Other Sensors/Transducers

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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