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TDA7381 - STMicroelectronics

Description: 4 x 25 W quad bridge car radio amplifier

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TDA7381 - STMicroelectronics - PCB symbol
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TDA7381 - STMicroelectronics PCB footprint - Other - Other - TDA7381
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TDA7381 - STMicroelectronics - 3D model - Other - TDA7381
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TDA7381 Details

  • Manufacturer Part Number:

    TDA7381

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    ZFM

  • Package Description:

    ROHS COMPLIANT, FLEXIWATT-25

  • Pin Count:

    25

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    5

  • Bandwidth-Nom:

    20 kHz

  • Consumer IC Type:

    CLASS AB AUDIO AMPLIFIER

  • Gain:

    26 dB

  • Harmonic Distortion:

    10%

  • JESD-30 Code:

    R-PZIP-T25

  • JESD-609 Code:

    e3

  • Number of Channels:

    4

  • Number of Functions:

    1

  • Number of Terminals:

    25

  • Output Power-Nom:

    18 W

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    ZIP

  • Package Equivalence Code:

    ZIP25,.16,.16,40

  • Package Shape:

    RECTANGULAR

  • Package Style:

    FLANGE MOUNT

  • Qualification Status:

    Not Qualified

  • Supply Current-Max:

    300 mA

  • Supply Voltage-Max (Vsup):

    14.4 V

  • Supply Voltage-Min (Vsup):

    14.4 V

  • Surface Mount:

    NO

  • Technology:

    BIPOLAR

  • Terminal Finish:

    Tin (Sn)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    1 mm

  • Terminal Position:

    ZIG-ZAG

TDA7381 Frequently Asked Questions (FAQs)

  • A good PCB layout for the TDA7381 involves keeping the power supply lines as short as possible, using a solid ground plane, and placing the input and output capacitors close to the IC. Additionally, it's recommended to use a shielded enclosure and to keep the audio signals away from the power supply lines.
  • The input and output capacitors should be chosen based on the frequency response and impedance of the circuit. A good starting point is to use capacitors with a value of 2.2uF to 4.7uF for the input and output stages. The capacitor type should be a low-ESR ceramic or film capacitor.
  • The maximum power dissipation of the TDA7381 is dependent on the ambient temperature and the thermal resistance of the package. The maximum power dissipation can be calculated using the formula: Pd = (TJ - TA) / θJA, where Pd is the power dissipation, TJ is the junction temperature, TA is the ambient temperature, and θJA is the thermal resistance.
  • The TDA7381 has a built-in overvoltage protection circuit, but it's still recommended to add external protection circuitry to protect the device from overvoltage and undervoltage conditions. A voltage regulator or a voltage supervisor can be used to regulate the input voltage and prevent damage to the device.
  • The recommended operating voltage range for the TDA7381 is 9V to 18V, with a typical voltage of 12V. Operating the device outside of this range may affect its performance and reliability.

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TDA7381 Overview

Use the download button to access the TDA7381 schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like TDA73, or try a keyword search, such as Audio/Video Amplifiers

About STMicroelectronics

STMicroelectronics (ST) is a global semiconductor company that designs, manufactures, and markets a broad range of integrated circuits (ICs), discrete devices, and other electronic components. STMicroelectronics offers a diverse portfolio of semiconductor products covering a wide range of applications and industries. Their product categories include microcontrollers, analog and mixed-signal ICs, MEMS (Micro-Electro-Mechanical Systems) sensors, power management ICs, RF (Radio Frequency) transceivers, aut

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