STMicroelectronics

TDA7295  

Audio Amplifiers

The TDA7295 is a monolithic integrated circuit designed by STMicroelectronics for audio amplification applications. It is a high-performance, single-supply, audio power amplifier with a wide range of features that make it suitable for various applications.

Description:

The TDA7295 is a class-D audio power amplifier that operates from a single supply voltage ranging from 4.5V to 12V. It is designed to deliver high-quality audio output with low distortion and low power consumption. The device is available in a compact, thermally enhanced, multi-lead plastic package, making it suitable for portable and power-sensitive applications.

Features:

1. High Efficiency: The TDA7295 operates in class-D mode, offering high efficiency up to 85%, which reduces power consumption and generates less heat.
2. Wide Supply Voltage Range: The amplifier can operate with a supply voltage between 4.5V and 12V, making it suitable for various power sources.
3. High Output Power: The TDA7295 can deliver up to 2 x 5W of output power into a 4-ohm load, making it suitable for driving speakers in portable audio devices and home audio systems.
4. Low Distortion: The amplifier features a low total harmonic distortion (THD) of less than 0.1%, ensuring high-quality audio output.
5. Advanced Thermal Management: The device includes a thermal shutdown protection feature to prevent damage due to overheating.
6. Easy External Filter: The TDA7295 requires a simple LC output filter, making it easy to implement in various applications.
7. Compact Package: The amplifier is available in a small, thermally enhanced multi-lead plastic package, which is ideal for space-constrained applications.

Applications:

1. Portable Audio Devices: Due to its high efficiency and low power consumption, the TDA7295 is suitable for use in portable audio devices such as Bluetooth speakers, MP3 players, and headphones.
2. Home Audio Systems: The TDA7295 can be used in home audio systems, including soundbars, mini-speakers, and home theater systems, to deliver high-quality audio output.
3. Car Audio: The amplifier can be used in car audio systems to drive speakers and subwoofers, providing high-quality sound and efficient power usage.
4. Voice Assistants and Smart Speakers: The TDA7295 can be used in voice assistant devices and smart speakers to provide clear and high-quality audio output.
5. Industrial Audio Applications: The amplifier can be used in industrial audio systems, such as public address systems and intercoms, where high efficiency and low distortion are essential.

In summary, the STMicroelectronics TDA7295 is a versatile, high-efficiency audio power amplifier with a wide range of features that make it suitable for various applications, from portable audio devices to home and car audio systems. Its compact size, low power consumption, and high output power make it an attractive choice for designers looking to implement high-quality audio solutions.

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