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LM322N - Texas Instruments

Description: The LM122 series are precision timers that offer great versatility with high accuracy. They operate with unregulated supplies from 4.5V to 40V while maintaining constant timing periods from microseconds to hours. Internal logic and regulator circuits complement the basic timing function enabling the LM122 series to operate in many different applications with a minimum of external components. The output of the timer is a floating transistor with built in current limiting. It can drive either ground refe

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Symbol
LM322N - Texas Instruments - PCB symbol
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PCB Footprints
LM322N - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - dip
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3D Models
LM322N - Texas Instruments - 3D model - Dual-In-Line Packages - dip
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LM322N Details

  • Manufacturer Part Number:

    LM322N

  • Rohs Code:

    No

  • Part Life Cycle Code:

    Obsolete

  • Package Description:

    DIP, DIP14,.3

  • Reach Compliance Code:

    Unknown

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Analog IC - Other Type:

    RECTANGULAR

  • JESD-30 Code:

    R-PDIP-T14

  • JESD-609 Code:

    e0

  • Length:

    19.18 mm

  • Number of Functions:

    1

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    70 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP14,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.08 mm

  • Supply Current-Max (Isup):

    4.5 mA

  • Supply Voltage-Max (Vsup):

    40 V

  • Supply Voltage-Min (Vsup):

    4.5 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

LM322N Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the LM322N is 15V, but it's recommended to keep it below 12V for reliable operation.
  • The LM322N is rated for operation up to 125°C, but its performance may degrade at high temperatures. It's recommended to derate the output current and voltage at high temperatures.
  • To ensure stability, use a minimum output capacitance of 10uF with an ESR of 0.1-10 ohms, and keep the input capacitance below 10uF.
  • The LM322N has a dropout voltage of around 1.5V, so it's not suitable for low-dropout applications. Consider using a low-dropout regulator like the LM1117 or LM337 instead.
  • Use a TVS diode or a transient voltage suppressor in parallel with the input capacitor to protect the LM322N from input voltage transients.

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LM322N 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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