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LM239AN - STMicroelectronics

Description: Comparator Standard (General Purpose) CMOS, DTL, ECL, MOS, Open-Collector, TTL 14-DIP , 2V ~ 32V , 2mA , -40°C ~ 105°C

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LM239AN - STMicroelectronics PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - DIP14_2025-1.2
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LM239AN - STMicroelectronics  - 3D model - Dual-In-Line Packages - DIP14_2025-1.2
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LM239AN Details

  • Manufacturer Part Number:

    LM239AN

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    DIP

  • Package Description:

    ROHS COMPLIANT, PLASTIC, DIP-14

  • Pin Count:

    14

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    0

  • Amplifier Type:

    COMPARATOR

  • Average Bias Current-Max (IIB):

    0.3 µA

  • Bias Current-Max (IIB) @25C:

    0.1 µA

  • Input Offset Voltage-Max:

    4000 µV

  • JESD-30 Code:

    R-PDIP-T14

  • JESD-609 Code:

    e4

  • Length:

    19.05 mm

  • Number of Functions:

    4

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    105 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Type:

    OPEN-COLLECTOR

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP14,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Packing Method:

    TUBE

  • Qualification Status:

    Not Qualified

  • Response Time-Nom:

    1300 ns

  • Seated Height-Max:

    5.33 mm

  • Supply Current-Max:

    2 mA

  • Supply Voltage Limit-Max:

    32 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    NO

  • Technology:

    BIPOLAR

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    NICKEL PALLADIUM GOLD

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

LM239AN Frequently Asked Questions (FAQs)

  • The maximum voltage that can be applied to the input pins is the supply voltage (VCC) + 0.3V. Exceeding this voltage can cause damage to the device.
  • To prevent oscillation, ensure that the input signals are clean and free of noise. You can also add hysteresis to the comparator by adding a small amount of positive feedback from the output to the non-inverting input.
  • The minimum input voltage required for the comparator to function correctly is 1.5V. Below this voltage, the comparator may not function correctly or may not function at all.
  • No, the LM239AN is a comparator, not an amplifier. It is designed to compare two input voltages and output a digital signal indicating which input is higher. It is not designed to amplify signals.
  • The pull-up resistor value depends on the load current required and the output voltage. A good starting point is to use a value between 1kΩ and 10kΩ. You can also use the datasheet's output current vs. output voltage graph to determine the correct value.

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LM239AN 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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