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LM148FKB - Texas Instruments

Description: Military-grade, quad, 36-V, 1-MHz operational amplifier with QML certification | FK | 20 | -55 to 125

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LM148FKB Details

  • Manufacturer Part Number:

    LM148FKB

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    QLCC

  • Package Description:

    LCCC-20

  • Pin Count:

    20

  • 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:

    S-CQCC-N20

  • JESD-609 Code:

    e0

  • Length:

    8.89 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:

    20

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -55 °C

  • Package Body Material:

    CERAMIC, METAL-SEALED COFIRED

  • Package Code:

    QCCN

  • Package Equivalence Code:

    LCC20,.35SQ

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER

  • Packing Method:

    TUBE

  • Power:

    NO

  • Programmable Power:

    NO

  • Qualification Status:

    Not Qualified

  • Screening Level:

    38535Q/M; 38534H; 883B

  • Seated Height-Max:

    2.03 mm

  • 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:

    YES

  • Technology:

    BIPOLAR

  • Temperature Grade:

    MILITARY

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    QUAD

  • Unity Gain BW-Nom:

    1000

  • Voltage Gain-Min:

    25000

  • Wideband:

    NO

  • Width:

    8.89 mm

LM148FKB Frequently Asked Questions (FAQs)

  • The maximum power dissipation of the LM148FKB 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 LM148FKB is an op-amp, it can be used as a comparator in certain applications. However, it's not recommended for high-speed or high-precision comparator applications due to its limited slew rate and bandwidth.
  • 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.
  • To minimize noise and ensure proper operation, use a star-grounding technique, where the grounds of the power supplies, analog signals, and digital signals are connected at a single point. Also, keep the layout compact and symmetrical, with the op-amp inputs and outputs routed away from noisy signals.
  • The LM148FKB is rated for operation up to 125°C, but its performance may degrade at higher temperatures. If you need to operate the device in a high-temperature environment, consider using a thermally-enhanced package or a different op-amp designed for high-temperature operation.

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LM148FKB 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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