The TDA7313ND is a high-performance digital controlled stereo audio processor produced by STMicroelectronics, a leader in semiconductor solutions. This advanced audio processor is designed with the modern audiophile in mind, offering an array of features that allow for superior sound customization and control.

Key Features

• Volume Control: The TDA7313ND provides precise volume control with a wide range of adjustment, ensuring users can set the audio output to their preferred levels.
• Three Stereo Inputs: With three selectable stereo inputs, users can connect multiple audio sources and switch between them seamlessly.
• Bass and Treble Control: Users can fine-tune the bass and treble frequencies to their liking, enhancing the overall listening experience.
• Loudness Function: The integrated loudness function compensates for the ear's lower sensitivity to bass and treble sounds at low volumes, providing a balanced sound at any volume level.
• Four Speaker Outputs: The device can drive up to four speakers, allowing for a versatile and immersive audio setup.
• Input Gain Control: Each input features adjustable gain control, enabling users to balance the input levels and prevent signal distortion.
• I<sup>2C Bus Interface: The TDA7313ND is equipped with an I<sup>2C bus interface, facilitating easy communication with microcontrollers and allowing for digital control of all functions.

Applications

The TDA7313ND is ideal for a variety of audio applications, including:

• High-fidelity home audio systems
• Car audio systems
• Multimedia and computer audio systems

Technical Specifications

This digital controlled stereo audio processor operates over a wide supply voltage range (6V to 10.5V) and is housed in a 28-pin SDIP package, making it suitable for various audio equipment designs. Its low distortion and noise levels, coupled with the ability to operate at low signal-to-noise ratios, make the TDA7313ND a top choice for audio enthusiasts seeking a high-quality sound experience.

For more detailed technical information, the TDA7313ND datasheet is available on the STMicroelectronics website, providing in-depth specifications, application notes, and connection diagrams.