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REF3440QDBVRQ1 - Texas Instruments

Description: Automotive low-drift low-power small-footprint series voltage reference

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REF3440QDBVRQ1 - Texas Instruments - PCB symbol
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PCB Footprints
REF3440QDBVRQ1 - Texas Instruments PCB footprint - SOT23 (6-Pin) - SOT23 (6-Pin) - DBV0006A
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3D Models
REF3440QDBVRQ1 - Texas Instruments - 3D model - SOT23 (6-Pin) - DBV0006A
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REF3440QDBVRQ1 Details

  • Manufacturer Part Number:

    REF3440QDBVRQ1

  • 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

  • Analog IC - Other Type:

    THREE TERMINAL VOLTAGE REFERENCE

  • Input Voltage-Max:

    12 V

  • Input Voltage-Min:

    2.55 V

  • JESD-30 Code:

    R-PDSO-G6

  • JESD-609 Code:

    e4

  • Length:

    2.9 mm

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    6

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Voltage-Max:

    4.098048 V

  • Output Voltage-Min:

    4.093952 V

  • Output Voltage-Nom:

    4.096 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    LSSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Screening Level:

    AEC-Q100

  • Seated Height-Max:

    1.45 mm

  • Supply Voltage-Max (Vsup):

    12 V

  • Supply Voltage-Min (Vsup):

    4.596 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temp Coef of Voltage-Max:

    6 ppm/°C

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.95 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Trim/Adjustable Output:

    NO

  • Width:

    1.6 mm

REF3440QDBVRQ1 Frequently Asked Questions (FAQs)

  • Texas Instruments recommends a star-ground connection, with the REF3440QDBVRQ1 placed close to the analog-to-digital converter (ADC) or digital-to-analog converter (DAC), and using a separate analog ground plane to minimize digital noise coupling.
  • Use a 10nF to 100nF ceramic capacitor in parallel with a 1μF to 10μF tantalum or electrolytic capacitor to bypass the REF3440QDBVRQ1, and place them as close as possible to the device.
  • The REF3440QDBVRQ1 has a temperature coefficient of ±2ppm/°C, which means its output voltage will vary by ±2mV over the operating temperature range of -40°C to 125°C. Ensure proper thermal management and consider temperature compensation if high accuracy is required.
  • Yes, the REF3440QDBVRQ1 can be used as a reference for multiple ADCs or DACs, but ensure that the total load current does not exceed the device's maximum rating (10mA) and that the output impedance is considered in the system design.
  • Use a power-up sequence that ensures the REF3440QDBVRQ1 is powered up before the ADC or DAC, and use a power-down sequence that ensures the REF3440QDBVRQ1 is powered down after the ADC or DAC. Consider using a voltage supervisor or reset controller to manage the power-up and power-down sequences.

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REF3440QDBVRQ1 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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