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LM4752TS - Texas Instruments

Description: Power Amplifier

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LM4752TS - Texas Instruments PCB footprint - Other - Other - TO127P1435X464-8N
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LM4752TS Details

  • Manufacturer Part Number:

    LM4752TS

  • Pbfree Code:

    No

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    D2PAK

  • Package Description:

    PLASTIC, TO-220, DDPAK-7

  • Pin Count:

    4

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Bandwidth-Nom:

    65 kHz

  • Consumer IC Type:

    AUDIO AMPLIFIER

  • Gain:

    34 dB

  • Harmonic Distortion:

    10%

  • JESD-30 Code:

    R-PSSO-G7

  • JESD-609 Code:

    e0

  • Length:

    10.16 mm

  • Moisture Sensitivity Level:

    3

  • Number of Channels:

    2

  • Number of Functions:

    1

  • Number of Terminals:

    7

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Power-Nom:

    7 W

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TO-263

  • Package Equivalence Code:

    SMSIP7H,.55,50TB

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    235

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    4.79 mm

  • Supply Current-Max:

    20 mA

  • Supply Voltage-Max (Vsup):

    32 V

  • Supply Voltage-Min (Vsup):

    9 V

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    TIN LEAD

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    SINGLE

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

    20

  • Width:

    8.64 mm

LM4752TS Frequently Asked Questions (FAQs)

  • A good PCB layout for the LM4752TS involves keeping the analog and digital grounds separate, using a star-ground configuration, and placing the device close to the power supply. Additionally, using a 4-layer PCB with a dedicated ground plane can help reduce noise and EMI.
  • To optimize the gain setting, start by setting the gain to the minimum recommended value (20dB) and then adjust it based on the input signal level. Use an oscilloscope to monitor the output signal and adjust the gain to achieve the desired signal-to-noise ratio. Also, consider using a variable gain amplifier or an automatic gain control circuit to optimize the gain dynamically.
  • The LM4752TS has a maximum junction temperature of 150°C. To ensure reliable operation, ensure good airflow around the device, use a heat sink if necessary, and avoid operating the device near its maximum power rating. Also, consider using thermal interface materials to improve heat transfer between the device and the heat sink.
  • To troubleshoot issues with the LM4752TS, start by checking the power supply voltage and ensuring it is within the recommended range. Then, check the input signal level and ensure it is within the recommended range. Use an oscilloscope to monitor the output signal and look for signs of distortion or oscillation. Check the PCB layout and ensure that it is not contributing to the issue. Finally, consult the datasheet and application notes for troubleshooting guides and FAQs.
  • Yes, the LM4752TS can be used in a stereo audio application. To configure it, use two devices, one for each channel, and connect the inputs and outputs accordingly. Ensure that the power supply and ground connections are made to both devices, and consider using a common mode filter to reduce noise and hum.

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LM4752TS 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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Part Image LM4752TS National Semiconductor Corporation

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