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LM4040CEM3-2.5 - Texas Instruments

Description: Voltage References 100-ppm/-C precision micropower shunt voltage reference 3-SOT-23

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LM4040CEM3-2.5 - Texas Instruments PCB footprint - SOT23 (3-Pin) - SOT23 (3-Pin) - DBZ0003A height 1.12
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LM4040CEM3-2.5 - Texas Instruments  - 3D model - SOT23 (3-Pin) - DBZ0003A height 1.12
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LM4040CEM3-2.5 Details

  • Manufacturer Part Number:

    LM4040CEM3-2.5

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOT-23

  • Package Description:

    SOT-23, 3 PIN

  • Pin Count:

    3

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Analog IC - Other Type:

    TWO TERMINAL VOLTAGE REFERENCE

  • JESD-30 Code:

    R-PDSO-G3

  • JESD-609 Code:

    e0

  • Length:

    2.92 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    3

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Voltage-Max:

    2.512 V

  • Output Voltage-Min:

    2.488 V

  • Output Voltage-Nom:

    2.5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TO-236

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.12 mm

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temp Coef of Voltage-Max:

    100 ppm/°C

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.95 mm

  • Terminal Position:

    DUAL

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

    NOT SPECIFIED

  • Trim/Adjustable Output:

    NO

  • Voltage Tolerance-Max:

    0.5%

  • Width:

    1.3 mm

LM4040CEM3-2.5 Frequently Asked Questions (FAQs)

  • Texas Instruments recommends a star-grounded layout with the voltage regulator GND pin connected to a solid ground plane. This helps to reduce noise and improve stability.
  • While the LM4040CEM3-2.5 is rated for operation up to 125°C, it's essential to consider the junction temperature (TJ) and ensure it doesn't exceed 150°C. Use thermal management techniques, such as heat sinks or thermal interfaces, to keep the TJ within safe limits.
  • To ensure a stable output voltage, add a 10uF ceramic capacitor between the OUT and GND pins. This helps to filter out noise and reduce the risk of oscillation during power-up and power-down.
  • Yes, the LM4040CEM3-2.5 is suitable for use as a voltage reference for ADCs. Its low noise and high stability make it an excellent choice for this application. However, ensure the output voltage is within the ADC's specified input range.
  • Texas Instruments recommends using a 1uF to 10uF ceramic capacitor between the VIN and GND pins. This helps to filter out noise and improve the regulator's stability.

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LM4040CEM3-2.5 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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