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LM148J - Texas Instruments

Description: Operational Amplifiers - Op Amps Series Quad 741 Op Amp

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LM148J - Texas Instruments PCB footprint - Ceramic Dual-In-Line Packages - Ceramic Dual-In-Line Packages - J0014A
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LM148J Details

  • Manufacturer Part Number:

    LM148J

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Pin Count:

    14

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Amplifier Type:

    OPERATIONAL AMPLIFIER

  • Architecture:

    VOLTAGE-FEEDBACK

  • Average Bias Current-Max (IIB):

    0.325 µA

  • Bias Current-Max (IIB) @25C:

    0.1 µA

  • Common-mode Reject Ratio-Min:

    70 dB

  • Common-mode Reject Ratio-Nom:

    90 dB

  • Frequency Compensation:

    YES

  • Input Offset Current-Max (IIO):

    0.025 µA

  • Input Offset Voltage-Max:

    5000 µV

  • JESD-30 Code:

    R-GDIP-T14

  • JESD-609 Code:

    e0

  • Length:

    19.43 mm

  • Low-Bias:

    NO

  • Low-Offset:

    NO

  • Micropower:

    YES

  • Neg Supply Voltage Limit-Max:

    -22 V

  • Neg Supply Voltage-Nom (Vsup):

    -15 V

  • Number of Functions:

    4

  • Number of Terminals:

    14

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -55 °C

  • Package Body Material:

    CERAMIC, GLASS-SEALED

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP14,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Packing Method:

    TUBE

  • Power:

    NO

  • Programmable Power:

    NO

  • Qualification Status:

    Not Qualified

  • Screening Level:

    38535Q/M;38534H;883B

  • Seated Height-Max:

    5.08 mm

  • Slew Rate-Min:

    0.25 V/us

  • Slew Rate-Nom:

    0.5 V/us

  • Subcategory:

    Operational Amplifier

  • Supply Current-Max:

    3.6 mA

  • Supply Voltage Limit-Max:

    22 V

  • Supply Voltage-Nom (Vsup):

    15 V

  • Surface Mount:

    NO

  • Technology:

    BIPOLAR

  • Temperature Grade:

    MILITARY

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Unity Gain BW-Nom:

    1000

  • Voltage Gain-Min:

    25000

  • Wideband:

    NO

  • Width:

    7.62 mm

LM148J Frequently Asked Questions (FAQs)

  • The maximum power dissipation of the LM148J is 670mW, which is calculated based on the maximum junction temperature (Tj) of 150°C and the thermal resistance (RθJA) of 125°C/W.
  • While the LM148J 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 follow proper compensation techniques, such as adding a capacitor in the feedback loop or using a resistor in series with the feedback capacitor. Additionally, ensure that the gain and phase margins are sufficient to prevent oscillations.
  • The input impedance of the LM148J is typically around 2MΩ, which is relatively high. This makes it suitable for use in high-impedance circuits, such as audio amplifiers or instrumentation amplifiers.
  • Yes, the LM148J can be used in a single-supply configuration, but you'll need to ensure that the input signals are referenced to the midpoint of the supply voltage. You may also need to add external resistors to set the common-mode voltage.

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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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