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LM321MF - Texas Instruments

Description: Low Power Single Op Amp

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PCB Footprints
LM321MF - Texas Instruments PCB footprint - SOT23 (5-Pin) - SOT23 (5-Pin) - DBV0005A_
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LM321MF - Texas Instruments  - 3D model - SOT23 (5-Pin) - DBV0005A_
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LM321MF Details

  • Manufacturer Part Number:

    LM321MF

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOT-23

  • Package Description:

    PLASTIC, SOT-23, 5 PIN

  • Pin Count:

    5

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Amplifier Type:

    OPERATIONAL AMPLIFIER

  • Architecture:

    VOLTAGE-FEEDBACK

  • Average Bias Current-Max (IIB):

    0.5 µA

  • Bias Current-Max (IIB) @25C:

    0.25 µA

  • Common-mode Reject Ratio-Min:

    65 dB

  • Common-mode Reject Ratio-Nom:

    85 dB

  • Frequency Compensation:

    YES

  • Input Offset Current-Max (IIO):

    0.05 µA

  • Input Offset Voltage-Max:

    7000 µV

  • JESD-30 Code:

    R-PDSO-G5

  • JESD-609 Code:

    e0

  • Length:

    2.9 mm

  • Low-Bias:

    NO

  • Low-Offset:

    NO

  • Micropower:

    NO

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    5

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    LSSOP

  • Package Equivalence Code:

    TSOP5/6,.11,37

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Power:

    NO

  • Programmable Power:

    NO

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.45 mm

  • Slew Rate-Nom:

    0.5 V/us

  • Subcategory:

    Operational Amplifier

  • Supply Current-Max:

    0.7 mA

  • Supply Voltage Limit-Max:

    32 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.95 mm

  • Terminal Position:

    DUAL

  • Unity Gain BW-Nom:

    1000

  • Voltage Gain-Min:

    25000

  • Wideband:

    NO

  • Width:

    1.6 mm

LM321MF Frequently Asked Questions (FAQs)

  • The maximum power dissipation of the LM321MF is 670mW, which is calculated based on the maximum junction temperature (150°C) and the thermal resistance (125°C/W) of the package.
  • While the LM321MF can be used as a comparator, it's not the best choice due to its relatively slow slew rate (0.5V/μs) and limited bandwidth (1MHz). A dedicated comparator like the LM339 or LM2901 would be a better option.
  • To ensure stability, make sure to add a compensation capacitor (e.g., 10nF to 100nF) between the output and the inverting input. This helps to reduce the phase shift and prevent oscillations.
  • The input impedance of the LM321MF is typically around 2MΩ, which is relatively high. This makes it suitable for use in high-impedance circuits or as a buffer amplifier.
  • Yes, the LM321MF can be used in a single-supply configuration. However, the input common-mode voltage range is limited to within 2V of the positive supply rail. Ensure that the input signal is within this range to maintain proper operation.

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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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