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TPA731D - Texas Instruments

Description: 700-mW Mono, Differential Input, Class-AB Audio Amplifier with Active High Shutdown

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TPA731D - Texas Instruments - PCB symbol
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TPA731D - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - 8-SOIC
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TPA731D - Texas Instruments - 3D model - Small Outline Packages - 8-SOIC
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TPA731D Details

  • Manufacturer Part Number:

    TPA731D

  • Brand Name:

    Texas Instruments

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SOIC

  • Pin Count:

    8

  • Country Of Origin:

    Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    0

  • Bandwidth-Nom:

    20 kHz

  • Consumer IC Type:

    AUDIO AMPLIFIER

  • Harmonic Distortion:

    0.5%

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Power-Nom:

    0.7 W

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max:

    2.5 mA

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    2.5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3.9 mm

TPA731D Frequently Asked Questions (FAQs)

  • Texas Instruments provides a recommended PCB layout in the TPA731D datasheet, which includes guidelines for component placement, trace routing, and thermal management. It's essential to follow these guidelines to ensure optimal performance and minimize electromagnetic interference (EMI).
  • The gain setting of the TPA731D depends on the specific requirements of your application. The datasheet provides a gain selection table that helps you choose the correct gain setting based on the input signal level and desired output power. You can also use the TPA731D's gain adjustment pins to fine-tune the gain setting.
  • The maximum power dissipation of the TPA731D depends on the ambient temperature and the thermal resistance of the PCB. The datasheet provides a power dissipation calculation formula and a thermal resistance table to help you determine the maximum power dissipation for your specific application.
  • The TPA731D has built-in overvoltage protection (OVP) and overcurrent protection (OCP) circuits. However, it's still recommended to add external protection components, such as voltage regulators and current limiters, to ensure the amplifier is protected from voltage and current surges.
  • The recommended input coupling capacitor value for the TPA731D depends on the input signal frequency and impedance. A general rule of thumb is to use a capacitor value between 1uF and 10uF, with a voltage rating that matches the input signal amplitude.

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TPA731D Overview

Use the download button to access the TPA731D schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like TPA73, or try a keyword search, such as Audio/Video Amplifiers

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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For a full list of alternate parts for TPA731D, check out Findchips.com