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TPA3122D2N - Texas Instruments

Description: Texas Instruments TPA3122D2N 2-Channel Audio Amplifier IC, Class-D Mono/Stereo, 20-Pin PDIP

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TPA3122D2N - Texas Instruments - PCB symbol
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PCB Footprints
TPA3122D2N - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - N (R-PDIP-T20)
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TPA3122D2N - Texas Instruments - 3D model - Dual-In-Line Packages - N (R-PDIP-T20)
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TPA3122D2N Details

  • Manufacturer Part Number:

    TPA3122D2N

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Pin Count:

    20

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.33.00.01

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Bandwidth-Nom:

    22 kHz

  • Consumer IC Type:

    CLASS D AUDIO AMPLIFIER

  • Gain:

    36 dB

  • JESD-30 Code:

    R-PDIP-T20

  • JESD-609 Code:

    e4

  • Length:

    25.4 mm

  • Number of Channels:

    2

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Power-Nom:

    15 W

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP20,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.08 mm

  • Supply Current-Max:

    37 mA

  • Supply Voltage-Max (Vsup):

    30 V

  • Supply Voltage-Min (Vsup):

    10 V

  • Surface Mount:

    NO

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

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

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

TPA3122D2N Frequently Asked Questions (FAQs)

  • TI recommends using a 10uF ceramic capacitor in parallel with a 100nF ceramic capacitor, both connected between the power supply pins (VCC and GND) and placed as close to the IC as possible.
  • The gain setting depends on the specific application requirements. A good starting point is to use the recommended gain setting from the datasheet (20dB for the TPA3122D2N). Then, adjust the gain resistors (Rf and Ri) to achieve the desired gain and frequency response.
  • The TPA3122D2N can handle up to 20W of continuous power per channel, but this depends on the supply voltage, load impedance, and ambient temperature. Be sure to check the power dissipation calculations in the datasheet to ensure safe operation.
  • Ensure good thermal conduction by using a heat sink or a thermally conductive PCB design. Monitor the junction temperature (TJ) and reduce power dissipation if TJ exceeds 150°C. Also, consider using thermal shutdown protection circuits or thermal sensors to prevent overheating.
  • Yes, the TPA3122D2N can be used in a bridged configuration to increase the power output. However, this requires careful design and layout considerations to ensure proper phase matching and reduced electromagnetic interference (EMI).

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TPA3122D2N 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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