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TPA3251D2DDV - Texas Instruments

Description: 175W Stereo / 350W Mono PurePath™ Ultra-HD, Analog-In Class-D Amplifier

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TPA3251D2DDV - Texas Instruments - PCB symbol
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TPA3251D2DDV - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - DDV0044D
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TPA3251D2DDV Details

  • Manufacturer Part Number:

    TPA3251D2DDV

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TSSOP

  • Pin Count:

    44

  • Country Of Origin:

    Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    IT ALSO REQUIRES PVDD=36

  • Consumer IC Type:

    CLASS D AUDIO AMPLIFIER

  • JESD-30 Code:

    R-PDSO-G44

  • JESD-609 Code:

    e4

  • Length:

    14 mm

  • Moisture Sensitivity Level:

    3

  • Noise Figure-Nom:

    111 dB

  • Number of Channels:

    4

  • Number of Functions:

    1

  • Number of Terminals:

    44

  • Operating Temperature-Max:

    70 °C

  • Output Power-Nom:

    175 W

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • Package Equivalence Code:

    TSSOP44,.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):

    13.2 V

  • Supply Voltage-Min (Vsup):

    10.8 V

  • Surface Mount:

    YES

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.635 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    6.1 mm

TPA3251D2DDV 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 and desired output power. TI provides a gain setting calculator tool to help determine the optimal gain setting. Additionally, the datasheet provides a gain vs. frequency graph to help with gain selection.
  • The maximum output power of the TPA3251D2DDV depends on the supply voltage and load impedance. With a 24V supply and 4Ω load, the maximum output power is approximately 100W per channel. Refer to the datasheet for more information on output power vs. supply voltage and load impedance.
  • To prevent overheating, ensure good airflow around the device, use a heat sink if necessary, and monitor the device temperature using the thermal shutdown feature. The TPA3251D2DDV has a built-in thermal shutdown feature that turns off the device when the junction temperature exceeds 150°C.
  • TI provides a recommended PCB layout in the datasheet, which includes guidelines for component placement, trace routing, and thermal management. Following these guidelines helps ensure optimal performance and reliability.

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TPA3251D2DDV 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 TPA3251D2DDVR Texas Instruments

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