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.

Word count: 623 words