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TPA3128D2DAP
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TPA3128D2DAP

Product Overview

Category

The TPA3128D2DAP belongs to the category of audio amplifier integrated circuits.

Use

It is primarily used for amplifying audio signals in various applications such as home theater systems, multimedia speakers, and automotive audio systems.

Characteristics

  • High efficiency: The TPA3128D2DAP offers high power efficiency, resulting in reduced power consumption and heat dissipation.
  • Wide operating voltage range: It can operate within a wide voltage range, making it suitable for different power supply configurations.
  • Low distortion: This amplifier provides low total harmonic distortion (THD) and noise, ensuring high-quality audio output.
  • Thermal and short-circuit protection: The device incorporates built-in protection mechanisms to prevent damage from overheating or short-circuits.

Package

The TPA3128D2DAP is available in a small outline package (SOP) with a thermal pad, which aids in heat dissipation.

Essence

This audio amplifier IC combines high efficiency, low distortion, and protection features to deliver superior audio performance.

Packaging/Quantity

The TPA3128D2DAP is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

  • Power Supply Voltage: 4.5V to 26V
  • Output Power: Up to 30W per channel
  • Total Harmonic Distortion + Noise (THD+N): <0.1%
  • Signal-to-Noise Ratio (SNR): >100dB
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The TPA3128D2DAP has a 32-pin package with the following pin configuration:

  1. Mute
  2. BTL_OUT1
  3. BTL_OUT2
  4. GND
  5. PVCC
  6. VDD
  7. SD
  8. I2C_SCL
  9. I2C_SDA
  10. AGND
  11. BTL_OUT3
  12. BTL_OUT4
  13. PVCC
  14. VDD
  15. SD_MODE
  16. RESET
  17. STBY
  18. I2S_BCLK
  19. I2S_WS
  20. I2SDATAIN
  21. I2SDATAOUT
  22. AGND
  23. PVCC
  24. VDD
  25. BTL_OUT5
  26. BTL_OUT6
  27. PVCC
  28. VDD
  29. AGND
  30. BTL_OUT7
  31. BTL_OUT8
  32. Mute

Functional Features

  • Class D Amplification: The TPA3128D2DAP utilizes class D amplifier technology, which offers high efficiency and low power dissipation.
  • Integrated Audio Processing: It incorporates built-in audio processing features such as volume control, equalization, and dynamic range compression.
  • Flexible Input Interface: The device supports various input interfaces, including I2S and digital audio interfaces, enabling easy integration into different audio systems.
  • Protection Mechanisms: The amplifier includes thermal shutdown and short-circuit protection to safeguard the device and connected speakers.

Advantages and Disadvantages

Advantages

  • High power efficiency
  • Low distortion and noise
  • Wide operating voltage range
  • Integrated audio processing features
  • Thermal and short-circuit protection

Disadvantages

  • Limited output power compared to higher wattage amplifiers
  • Requires additional external components for complete audio system implementation

Working Principles

The TPA3128D2DAP operates on the principle of class D amplification. It converts the incoming analog audio signal into a high-frequency pulse-width modulated (PWM) signal. This PWM signal is then amplified using power MOSFETs, resulting in an amplified audio output. The class D amplification technique ensures high efficiency by minimizing power dissipation.

Detailed Application Field Plans

The TPA3128D2DAP finds applications in various audio systems, including: - Home theater systems - Multimedia speakers - Automotive audio systems - Portable audio devices - Professional audio equipment

Detailed and Complete Alternative Models

  1. TPA3116D2: A similar audio amplifier IC with higher output power capability.
  2. TPA3255: An advanced audio amplifier IC with even higher power efficiency and output power.
  3. TAS5611A: Another class D audio amplifier IC suitable for high-end audio applications.

These alternative models offer different features and performance characteristics, allowing designers to choose the most suitable option based on their specific requirements.

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Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät TPA3128D2DAP :n soveltamiseen teknisissä ratkaisuissa

Sure! Here are 10 common questions and answers related to the application of TPA3128D2DAP in technical solutions:

  1. Q: What is TPA3128D2DAP? A: TPA3128D2DAP is a class D audio amplifier integrated circuit (IC) that provides high-quality audio amplification for various applications.

  2. Q: What is the power output of TPA3128D2DAP? A: TPA3128D2DAP can deliver up to 30 watts per channel into 8 ohms or 50 watts per channel into 4 ohms.

  3. Q: Can TPA3128D2DAP be used in stereo systems? A: Yes, TPA3128D2DAP is designed for stereo applications and can drive two speakers simultaneously.

  4. Q: Is TPA3128D2DAP suitable for portable devices? A: Yes, TPA3128D2DAP is compact and low-power, making it suitable for portable audio devices like Bluetooth speakers or headphones.

  5. Q: Does TPA3128D2DAP require external components for operation? A: Yes, TPA3128D2DAP requires a few external components such as capacitors, resistors, and an input source to function properly.

  6. Q: Can TPA3128D2DAP handle different audio input sources? A: Yes, TPA3128D2DAP supports various audio input sources including line-level inputs, headphone outputs, and digital audio interfaces.

  7. Q: Does TPA3128D2DAP have built-in protection features? A: Yes, TPA3128D2DAP includes protection features like thermal shutdown, overcurrent protection, and short-circuit protection to ensure safe operation.

  8. Q: Can TPA3128D2DAP be used in automotive audio systems? A: Yes, TPA3128D2DAP is suitable for automotive applications and can provide high-quality audio amplification in car audio systems.

  9. Q: What is the voltage supply range for TPA3128D2DAP? A: TPA3128D2DAP operates with a voltage supply range of 4.5V to 26V, making it compatible with various power sources.

  10. Q: Are there any application notes or reference designs available for TPA3128D2DAP? A: Yes, Texas Instruments provides application notes and reference designs that can help users implement TPA3128D2DAP in their technical solutions effectively.

Please note that these answers are general and may vary depending on specific implementation requirements. It's always recommended to refer to the datasheet and application notes provided by the manufacturer for detailed information.