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LM319M - Texas Instruments

Description: High Speed Dual Comparator

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LM319M Details

  • Manufacturer Part Number:

    LM319M

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    SOP-14

  • Pin Count:

    14

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Date Of Intro:

    1989-01-01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Amplifier Type:

    COMPARATOR

  • Average Bias Current-Max (IIB):

    1.2 µA

  • Bias Current-Max (IIB) @25C:

    1 µA

  • Input Offset Voltage-Max:

    8000 µV

  • JESD-30 Code:

    R-PDSO-G14

  • JESD-609 Code:

    e0

  • Length:

    8.65 mm

  • Moisture Sensitivity Level:

    1

  • Neg Supply Voltage Limit-Max:

    -18 V

  • Neg Supply Voltage-Nom (Vsup):

    -15 V

  • Number of Functions:

    2

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    70 °C

  • Output Type:

    OPEN-COLLECTOR

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP14,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Packing Method:

    TUBE

  • Peak Reflow Temperature (Cel):

    235

  • Qualification Status:

    Not Qualified

  • Response Time-Nom:

    80 ns

  • Seated Height-Max:

    1.75 mm

  • Subcategory:

    Comparator

  • Supply Current-Max:

    12.5 mA

  • Supply Voltage Limit-Max:

    18 V

  • Supply Voltage-Nom (Vsup):

    15 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3.9 mm

LM319M Frequently Asked Questions (FAQs)

  • The LM319M can operate from -40°C to 125°C, but the recommended operating temperature range is -20°C to 85°C for optimal performance.
  • No, the LM319M is a comparator, not a voltage regulator. It's designed to compare two input voltages and output a high or low signal based on the comparison, not to regulate voltage.
  • The pull-up resistor value depends on the load current and the desired output voltage. A good starting point is to use a 1 kΩ to 10 kΩ resistor, and adjust as needed based on the specific application.
  • The maximum input voltage for the LM319M is 36V, but it's recommended to keep the input voltage below 30V for optimal performance and to prevent damage to the device.
  • Yes, the LM319M can be used as a Schmitt trigger by connecting the output to the negative input through a resistor, creating a positive feedback loop. This allows the comparator to act as a Schmitt trigger with hysteresis.

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LM319M 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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LM319M Alternates

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Part Image LM319AMX/NOPB Texas Instruments

Comparator, 2 Func, 8000uV Offset-Max, 80ns Response Time, BIPolar, PDSO14

Part Image LM319M onsemi

Comparator, 2 Func, 10000uV Offset-Max, 80ns Response Time, BIPolar, PDSO14

Part Image LM319D NXP Semiconductors

Comparator, 2 Func, 10000uV Offset-Max, 80ns Response Time, BIPolar, PDSO14

Part Image LM319D/T3 NXP Semiconductors

Comparator, 2 Func, 10000uV Offset-Max, 80ns Response Time, BIPolar, PDSO14

Part Image LM319MX onsemi

Comparator, 2 Func, 10000uV Offset-Max, 80ns Response Time, BIPolar, PDSO14

For a full list of alternate parts for LM319M, check out Findchips.com