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REF3440IDBVR - Texas Instruments

Description: 4.1-V low-drift low-power small-footprint series voltage reference

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REF3440IDBVR - Texas Instruments - PCB symbol
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PCB Footprints
REF3440IDBVR - Texas Instruments PCB footprint - SOT23 (6-Pin) - SOT23 (6-Pin) - DBV0006A
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3D Models
REF3440IDBVR - Texas Instruments - 3D model - SOT23 (6-Pin) - DBV0006A
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REF3440IDBVR Details

  • Manufacturer Part Number:

    REF3440IDBVR

  • 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:

    4.15 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

  • 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 (Ni/Pd/Au)

  • 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

REF3440IDBVR Frequently Asked Questions (FAQs)

  • It is recommended to place the REF3440IDBVR close to the analog-to-digital converter (ADC) or digital-to-analog converter (DAC) it is supplying, and to use a solid ground plane and decoupling capacitors to minimize noise. Additionally, keep the input and output traces separate and avoid running them parallel to each other.
  • To ensure stability, make sure to follow the recommended layout and placement guidelines, use a sufficient decoupling capacitor (e.g., 10uF) between the VIN and GND pins, and avoid using long traces or wires that can introduce inductance and cause oscillation.
  • The REF3440IDBVR can drive up to 10nF of capacitive load. Exceeding this limit may cause instability or oscillation.
  • The REF3440IDBVR has a fixed output voltage of 4.096V. If you need a different output voltage, you can use an external resistor divider network or an op-amp based voltage regulator to adjust the output voltage.
  • The REF3440IDBVR is specified to operate up to 125°C. However, its accuracy and stability may degrade at higher temperatures. If your application requires operation above 125°C, you may need to consider a different voltage reference or take additional measures to ensure reliability.

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REF3440IDBVR 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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