TDA7439

The TDA7439 is a monolithic integrated audio processor. It is a versatile integrated circuit, so it can be used in many different audio applications. This article will discuss the application fields of the TDA7439, as well as the working principle.

Application Fields

The TDA7439 can be used in many different audio-related applications. Its most common usage is as the main audio processor of car audio systems. This makes it possible to create distortion-free, loud, and well-rounded sound in cars. Other areas of use include preamps, amplifiers, and mixers in professional audio equipment.

While it is primarily used in professional audio applications, it can also be found in audio systems in homes, dance clubs, on stages during concerts, and other locations where sound enhancement is desired.

Working Principle

The TDA7439 is an integrated circuit comprising multiple operation amplifiers and 18 specialized blocks. It uses an advanced commercial CMOS process to ensure high performance and reliability. It is capable of providing a wide range of audio processing, such as compression, equalization, bass boost, and gain control. All of these functions can be manipulated and adjusted to enhance the sound of the audio reproduction.

In addition, the TDA7439 also has adjustable loudness, a volume control range of 0 to -96dB, and an integrated subwoofer filter. It also contains a complex equalization system, allowing users to adjust the frequencies of high and low notes.

The TDA7439 works by manipulating the audio signal that is provided to it. It does this by first amplifying the signal, then using the 18 specialized blocks to filter out unwanted frequencies and enhance the sound. Finally, it amplifies the signal further and sends it out to the speakers.

Overall, the TDA7439 is a versatile and highly capable audio processor. It is able to provide excellent audio quality in a wide range of different application fields, making it a popular choice for professional audio equipment.