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LM4040AELT-2.5 - STMicroelectronics

Description: Precision micropower shunt voltage reference

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LM4040AELT-2.5 - STMicroelectronics - PCB symbol
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LM4040AELT-2.5 - STMicroelectronics PCB footprint - Other - Other - LM4040AELT-2.5-4
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LM4040AELT-2.5 - STMicroelectronics - 3D model - Other - LM4040AELT-2.5-4
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LM4040AELT-2.5 Details

  • Manufacturer Part Number:

    LM4040AELT-2.5

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    SOT-23, 3 PIN

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    18 Weeks

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    7

  • Analog IC - Other Type:

    TWO TERMINAL VOLTAGE REFERENCE

  • JESD-30 Code:

    R-PDSO-G3

  • Length:

    2.9 mm

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    3

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    0.015 A

  • Output Voltage-Max:

    2.5025 V

  • Output Voltage-Min:

    2.4975 V

  • Output Voltage-Nom:

    2.5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSOP

  • Package Equivalence Code:

    TO-236

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    NOT SPECIFIED

  • Seated Height-Max:

    1.12 mm

  • Surface Mount:

    YES

  • Temp Coef of Voltage-Max:

    70 ppm/°C

  • 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:

    0.1%

  • Width:

    1.3 mm

LM4040AELT-2.5 Frequently Asked Questions (FAQs)

  • A good PCB layout for the LM4040AELT-2.5 involves placing the device close to the power supply, using a solid ground plane, and keeping the input and output traces short and separate to minimize noise and parasitic inductance.
  • To ensure stability, make sure to follow the recommended capacitor values and types in the datasheet, and avoid using capacitors with high ESR. Also, keep the input and output capacitors close to the device and use a low-impedance power supply.
  • The maximum power dissipation of the LM4040AELT-2.5 is dependent on the ambient temperature and the thermal resistance of the package. According to the datasheet, the maximum power dissipation is 1.5W at 25°C ambient temperature, but this can be derated to 0.5W at 85°C ambient temperature.
  • Yes, the LM4040AELT-2.5 can be used as a voltage reference for an ADC or DAC. Its low noise and high stability make it suitable for precision analog-to-digital or digital-to-analog conversions. However, ensure that the reference voltage is within the input range of the ADC or DAC.
  • To protect the LM4040AELT-2.5 from reverse voltage or overvoltage conditions, use a diode or a voltage clamp circuit to limit the input voltage to within the recommended range. Additionally, consider using a voltage regulator or a power supply with built-in overvoltage protection.

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LM4040AELT-2.5 Overview

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About STMicroelectronics

STMicroelectronics (ST) is a global semiconductor company that designs, manufactures, and markets a broad range of integrated circuits (ICs), discrete devices, and other electronic components. STMicroelectronics offers a diverse portfolio of semiconductor products covering a wide range of applications and industries. Their product categories include microcontrollers, analog and mixed-signal ICs, MEMS (Micro-Electro-Mechanical Systems) sensors, power management ICs, RF (Radio Frequency) transceivers, aut

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