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TDA7385 - STMicroelectronics

Description: Audio Amplifiers 4X30W Quad Brdg Amp

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TDA7385 - STMicroelectronics - PCB symbol
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PCB Footprints
TDA7385 - STMicroelectronics PCB footprint - Transistor Outline, Vertical - Transistor Outline, Vertical - Flexiwatt25 (vertical)_1
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3D Models
TDA7385 - STMicroelectronics - 3D model - Transistor Outline, Vertical - Flexiwatt25 (vertical)_1
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TDA7385 Details

  • Manufacturer Part Number:

    TDA7385

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    ZIP

  • Package Description:

    FLEXIWATT-25

  • Pin Count:

    25

  • 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

  • Length:

    29.23 mm

  • Number of Channels:

    4

  • Number of Functions:

    1

  • Number of Terminals:

    25

  • Output Power-Nom:

    35 W

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SZIP

  • Package Equivalence Code:

    ZIP25,.16,.16,40

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE, SHRINK PITCH

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    19.37 mm

  • 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

  • Width:

    4.5 mm

TDA7385 Frequently Asked Questions (FAQs)

  • A good PCB layout for the TDA7385 involves keeping the power supply lines (VIN and VCC) separate from the signal lines, using a star connection for the power supply, and placing the decoupling capacitors close to the IC. A 4-layer PCB with a dedicated power plane and a dedicated ground plane is recommended.
  • The output filter components (L, C, and R) should be chosen based on the desired cutoff frequency, impedance, and attenuation. A good starting point is to use the values recommended in the datasheet, and then adjust them based on the specific application requirements and measurement results.
  • The maximum power dissipation of the TDA7385 depends on the package type and the ambient temperature. For the DFN8 package, the maximum power dissipation is 1.4 W at 70°C, and for the SO8 package, it is 1.1 W at 70°C. The power dissipation can be calculated using the formula: Pd = (VIN - VOUT) x IOUT + VIN x IQ, where IQ is the quiescent current.
  • To ensure the stability of the TDA7385, it is essential to follow the recommended layout and component selection guidelines, use a sufficient output capacitor value, and ensure that the input voltage is within the recommended range. Additionally, the output voltage should be monitored to prevent overvoltage or undervoltage conditions.
  • The TDA7385 is rated for operation up to 150°C, but the maximum junction temperature (TJ) should not exceed 150°C. The device can be used in high-temperature environments, but the power dissipation should be derated accordingly, and the thermal management should be ensured through proper heat sinking and cooling.

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TDA7385 Overview

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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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