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LF444CM - Texas Instruments

Description: OpAmpIC

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PCB Footprints
LF444CM - Texas Instruments PCB footprint - Other - Other - SOIC127P600X175-14N
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LF444CM - Texas Instruments  - 3D model - Other - SOIC127P600X175-14N
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LF444CM Details

  • Manufacturer Part Number:

    LF444CM

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Package Description:

    PLASTIC, SOP-14

  • Pin Count:

    14

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Date Of Intro:

    1987-01-01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Amplifier Type:

    OPERATIONAL AMPLIFIER

  • Architecture:

    VOLTAGE-FEEDBACK

  • Average Bias Current-Max (IIB):

    0.0001 µA

  • Bias Current-Max (IIB) @25C:

    0.00005 µA

  • Common-mode Reject Ratio-Min:

    70 dB

  • Common-mode Reject Ratio-Nom:

    100 dB

  • Frequency Compensation:

    YES

  • Input Offset Current-Max (IIO):

    0.00005 µA

  • Input Offset Voltage-Max:

    5000 µV

  • JESD-30 Code:

    R-PDSO-G14

  • JESD-609 Code:

    e0

  • Length:

    8.65 mm

  • Low-Bias:

    YES

  • Low-Offset:

    NO

  • Micropower:

    YES

  • Moisture Sensitivity Level:

    1

  • Neg Supply Voltage Limit-Max:

    -18 V

  • Neg Supply Voltage-Nom (Vsup):

    -15 V

  • Number of Functions:

    4

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    70 °C

  • 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

  • Power:

    NO

  • Programmable Power:

    NO

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Slew Rate-Nom:

    1 V/us

  • Subcategory:

    Operational Amplifier

  • Supply Current-Max:

    0.8 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

  • Unity Gain BW-Nom:

    1000

  • Voltage Gain-Min:

    15000

  • Wideband:

    NO

  • Width:

    3.9 mm

LF444CM Frequently Asked Questions (FAQs)

  • The maximum power dissipation of the LF444CM is 670mW, which is calculated based on the maximum junction temperature (Tj) of 150°C and the thermal resistance (RθJA) of 125°C/W.
  • To ensure stability in a unity-gain configuration, it's recommended to add a 10-22pF capacitor between the output and the inverting input pins to prevent oscillations.
  • To minimize noise and EMI, it's recommended to keep the input and output traces short and away from each other, use a ground plane, and decouple the power supply with a 0.1uF capacitor.
  • While the LF444CM can be used as a comparator, it's not recommended due to its relatively slow slew rate (0.5V/us) and limited output current (20mA). A dedicated comparator like the LM339 or LM2901 is a better choice.
  • To protect the LF444CM from overvoltage and ESD damage, use a voltage regulator to limit the input voltage to the recommended maximum of 36V, and consider adding ESD protection diodes or a TVS diode to the input pins.

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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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