TPA2008D2
Stereo Class-D audio amplifiers with evaluation modules
Manufacturer： ['rochester', 'analog-devices', 'ti']
series introduction
# TPA2008D2 Product Series Introduction
## Overview
The TPA2008D2 is a remarkable product series developed by Texas Instruments, designed to meet the diverse audio amplification needs in a wide range of applications. This series of audio power amplifiers offers high - performance, compact, and energy - efficient solutions for both consumer and industrial audio systems.
## Key Features
### High - Efficiency Operation
The TPA2008D2 series is engineered with a high - efficiency Class D amplifier architecture. This design significantly reduces power dissipation compared to traditional Class AB amplifiers. As a result, it can deliver more power to the speakers while generating less heat. For example, in battery - powered devices, this high efficiency translates into longer battery life. The amplifier can achieve efficiencies of up to 90% in typical operating conditions, which is a substantial advantage for portable and low - power applications.
### Low Distortion
One of the standout features of the TPA2008D2 is its low total harmonic distortion plus noise (THD+N). It can maintain a THD+N as low as 0.1% at typical output levels. This ensures that the audio signal is reproduced with high fidelity, allowing users to enjoy clear and accurate sound. Whether it is music playback, voice communication, or other audio applications, the low distortion of the TPA2008D2 guarantees a high - quality audio experience.
### Integrated Shutdown and Thermal Protection
The series comes with an integrated shutdown function. This allows the amplifier to be powered down when not in use, further conserving power. Additionally, it has built - in thermal protection. In case the amplifier temperature rises above a safe level due to high - power operation or environmental factors, the thermal protection circuit will automatically reduce the output power or shut down the amplifier to prevent damage. This feature enhances the reliability and durability of the product.
### Flexible Gain Settings
The TPA2008D2 offers flexible gain settings. Users can adjust the gain according to their specific application requirements. This flexibility makes it suitable for a variety of audio sources with different signal levels. For example, it can be used with low - level audio signals from microphones or high - level signals from pre - amplifiers.
## Applications
### Portable Audio Devices
In portable media players, smartphones, and tablets, the TPA2008D2 is an ideal choice. Its high - efficiency design helps to extend the battery life of these devices, while the low distortion ensures excellent audio quality. The compact size of the amplifier also makes it easy to integrate into the limited space of portable devices.
### Bluetooth Speakers
With the growing popularity of Bluetooth speakers, the TPA2008D2 series provides a reliable audio amplification solution. It can drive speakers of different sizes and impedance levels, delivering powerful and clear sound. The integrated protection features ensure the long - term stability of the Bluetooth speaker system.
### Automotive Audio Systems
In automotive applications, the TPA2008D2 can be used in car infotainment systems. Its ability to operate in a wide temperature range and its robust design make it suitable for the harsh automotive environment. The low distortion and high - efficiency characteristics also contribute to a better in - car audio experience.
## Package and Pin Configuration
The TPA2008D2 is available in a small - outline integrated circuit (SOIC) package. This package offers good thermal performance and is easy to mount on printed circuit boards (PCBs). The pin configuration is designed for easy connection to external components such as power supplies, audio input sources, and speakers. The clear and well - defined pin functions simplify the circuit design process, reducing the development time and cost for engineers.
## Electrical Characteristics
- **Supply Voltage Range**: The TPA2008D2 can operate
Images for reference
TPA2008D2EVM
24-TSSOP Exposed Pad
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