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LM331N - Texas Instruments

Description: TEXAS INSTRUMENTS - LM331N - Voltage to Frequency Converter, 10 kHz, 1Hz to 100kHz, 0.01 %, 4V to 40V, DIP, 8 Pins

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LM331N - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - P (R-PDIP-T8)
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3D Models
LM331N - Texas Instruments  - 3D model - Dual-In-Line Packages - P (R-PDIP-T8)
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LM331N Details

  • Manufacturer Part Number:

    LM331N

  • Pbfree Code:

    No

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    DIP

  • Package Description:

    PLASTIC, DIP-8

  • Pin Count:

    8

  • HTS Code:

    8542.39.00.50

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Converter Type:

    VOLTAGE TO FREQUENCY CONVERTER

  • JESD-30 Code:

    R-PDIP-T8

  • JESD-609 Code:

    e0

  • Length:

    9.817 mm

  • Linearity Error-Max (EL):

    0.02%

  • Moisture Sensitivity Level:

    1

  • Negative Input Voltage-Max:

    -0.2 V

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Frequency-Max:

    0.1 MHz

  • Operating Temperature-Max:

    70 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP8,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Positive Input Voltage-Max:

    3 V

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.08 mm

  • Supply Current-Max:

    8 mA

  • Supply Voltage-Max:

    40 V

  • Supply Voltage-Min:

    4 V

  • Supply Voltage-Nom:

    5 V

  • Surface Mount:

    NO

  • Technology:

    BIPOLAR

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    TIN LEAD

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

LM331N Frequently Asked Questions (FAQs)

  • The LM331N can handle input voltages up to 40V, but it's recommended to keep it below 35V for reliable operation.
  • To ensure stability, use a minimum output capacitance of 10uF, and keep the distance between the regulator and the capacitor as short as possible. Also, use a low-ESR capacitor to minimize oscillation.
  • The LM331N is rated for operation up to 125°C, but its performance may degrade at high temperatures. Consider using a heat sink or a thermally-enhanced package for high-temperature applications.
  • Power dissipation (PD) can be calculated using the formula: PD = (VIN - VOUT) x IOUT. Make sure to consider the maximum power dissipation rating of the package and the thermal resistance (θJA) when designing your application.
  • Yes, the LM331N is suitable for battery-powered devices due to its low quiescent current (IQ) of 5mA. However, consider using a low-dropout regulator (LDO) or a switching regulator for more efficient power management.

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LM331N 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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