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TPA3156D2DAD - Texas Instruments

Description: TPA3156D2 - 2x70-W, 4.5V-26V, Analog Input, Class-D Amplifier With Low Idle Power Dissipation

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TPA3156D2DAD Details

  • Manufacturer Part Number:

    TPA3156D2DAD

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Country Of Origin:

    Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Date Of Intro:

    2017-12-10

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Bandwidth-Nom:

    22 kHz

  • Consumer IC Type:

    CLASS D AUDIO AMPLIFIER

  • Gain:

    36 dB

  • JESD-30 Code:

    R-PDSO-G32

  • JESD-609 Code:

    e4

  • Length:

    11 mm

  • Moisture Sensitivity Level:

    3

  • Noise Figure-Nom:

    102 dB

  • Number of Channels:

    2

  • Number of Functions:

    1

  • Number of Terminals:

    32

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Power-Nom:

    70 W

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • Package Equivalence Code:

    TSSOP32,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.2 mm

  • Supply Voltage-Max (Vsup):

    26 V

  • Supply Voltage-Min (Vsup):

    4.5 V

  • Surface Mount:

    YES

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    6.1 mm

TPA3156D2DAD Frequently Asked Questions (FAQs)

  • TI recommends using a 10uF ceramic capacitor in parallel with a 100nF ceramic capacitor, placed as close as possible to the power pins (VIN and PVDD) to ensure stable operation.
  • The gain setting depends on the specific application requirements. TI provides a gain setting formula in the datasheet, but it's recommended to experiment with different gain settings and measure the output to determine the optimal value for your specific use case.
  • The TPA3156D2DAD can handle up to 20W of continuous power, but this can vary depending on the thermal design and heat sinking of the system. It's essential to ensure proper thermal management to prevent overheating.
  • Proper heat sinking, thermal design, and airflow are crucial to prevent overheating. TI recommends using a heat sink with a thermal resistance of 10°C/W or lower, and ensuring good airflow around the device.
  • TI provides a recommended PCB layout in the datasheet, which includes keeping the power traces short and wide, using a solid ground plane, and placing the decoupling capacitors close to the power pins.

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TPA3156D2DAD 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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