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TDA7850A - STMicroelectronics

Description: Amplifier IC 4-Channel (Quad) Class AB 27-Flexiwatt (Vertical) 85W

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TDA7850A - STMicroelectronics - PCB symbol
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TDA7850A - STMicroelectronics PCB footprint - Other - Other - TDA7850A-3
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TDA7850A Details

  • Manufacturer Part Number:

    TDA7850A

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    ZFM

  • Package Description:

    ROHS COMPLIANT, FLEXIWATT-27

  • Pin Count:

    27

  • 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

  • Harmonic Distortion:

    10%

  • JESD-30 Code:

    R-XZIP-T27

  • JESD-609 Code:

    e3

  • Number of Channels:

    4

  • Number of Functions:

    1

  • Number of Terminals:

    27

  • Output Power-Nom:

    30 W

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    ZIP

  • Package Equivalence Code:

    ZIP27,.16,.16,40

  • Package Shape:

    RECTANGULAR

  • Package Style:

    FLANGE MOUNT

  • Qualification Status:

    Not Qualified

  • Supply Current-Max:

    280 mA

  • Surface Mount:

    NO

  • Technology:

    MOS

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    1 mm

  • Terminal Position:

    ZIG-ZAG

TDA7850A Frequently Asked Questions (FAQs)

  • STMicroelectronics recommends a 4-layer PCB with a solid ground plane, and to keep the analog and digital grounds separate. Additionally, it's recommended to use a common mode filter and a shielded inductor to reduce EMI.
  • Use a combination of ceramic and electrolytic capacitors for power supply decoupling. Place a 100nF ceramic capacitor close to the IC, and a 10uF electrolytic capacitor further away. Ensure the capacitors are connected to a solid ground plane.
  • Use a heat sink with a thermal resistance of less than 10°C/W. Apply a thermal interface material (TIM) between the IC and the heat sink. Ensure good airflow around the heat sink to maintain a junction temperature below 150°C.
  • Check the audio signal path for any signs of distortion or clipping. Verify the correct configuration of the I2S interface and the audio codec. Use an oscilloscope to measure the audio signal and check for any signs of noise or interference.
  • Implement overcurrent protection using a dedicated IC or a fuse. Monitor the TDA7850A's temperature and shutdown the device if it exceeds 150°C. Use a watchdog timer to detect and reset the device in case of a fault.

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TDA7850A 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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