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TPA321DR - Texas Instruments

Description: 350-mW Mono Class-AB Audio Amplifier with Differential Inputs

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TPA321DR - Texas Instruments PCB footprint - Small Outline Packages - Small Outline Packages - D0008A
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TPA321DR - Texas Instruments  - 3D model - Small Outline Packages - D0008A
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TPA321DR Details

  • Manufacturer Part Number:

    TPA321DR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC

  • Pin Count:

    8

  • Country Of Origin:

    Taiwan

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Bandwidth-Nom:

    4 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:

    0.35 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:

    1.5 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

TPA321DR Frequently Asked Questions (FAQs)

  • According to TI's application notes, a 10uF ceramic capacitor in parallel with a 100nF ceramic capacitor is recommended for power supply decoupling to ensure stability and minimize noise.
  • To minimize electromagnetic interference (EMI) and ensure optimal performance, keep the power supply traces short and wide, use a solid ground plane, and place the amplifier close to the power supply. Also, keep the input and output traces separate and away from each other.
  • The maximum power dissipation of the TPA321DR is 2.5W. However, this value can be affected by the ambient temperature, PCB layout, and heat sinking. It's essential to ensure proper heat sinking and thermal management to prevent overheating.
  • Yes, the TPA321DR can be used in a bridged configuration to increase the output power. However, this requires careful consideration of the power supply, PCB layout, and thermal management to ensure reliable operation.
  • The recommended input impedance for the TPA321DR is 47kΩ to 100kΩ. This ensures optimal signal-to-noise ratio and prevents signal attenuation.

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TPA321DR 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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