The TDA7468D from STMicroelectronics is a sophisticated audio processor IC designed to cater to the advanced demands of modern audio systems. This highly integrated circuit provides a multitude of features that make it an ideal choice for applications requiring audio signal processing, such as Hi-Fi systems, TV sets, and multimedia speakers.

Key Features

• Input Multiplexer: The TDA7468D comes with a dual input audio selector that can manage up to four stereo inputs, allowing flexibility in audio source selection.
• Tone Control: With built-in bass and treble control, users can fine-tune the audio output to their preferences, ensuring a high-quality listening experience.
• Volume Control: The device includes an independent volume control function with a wide range of adjustment, providing precise control over the output level.
• Loudness Function: The integrated loudness function compensates for the human ear's sensitivity at different frequencies, ensuring a balanced sound at all volume levels.
• Input Gain Control: Each input channel has its own gain control, allowing for the normalization of varying input signals for consistent audio output.

Technical Specifications

• Supply Voltage Range: 4.5V to 9.0V
• Low Distortion: Ensures high-quality audio reproduction.
• Low Noise: Minimizes background noise to maintain audio clarity.
• I²C Bus Control Interface: Enables easy and flexible control over the various functions of the IC through a standard I²C communication protocol.

Applications

The versatile nature of the TDA7468D makes it suitable for a wide array of audio applications. Its ability to handle multiple inputs and provide comprehensive tone and volume control makes it a popular choice for:

• Audio/Video Receivers
• Home Theater Systems
• Car Audio Systems
• Personal Computers and Multimedia Speakers

With the TDA7468D, STMicroelectronics offers a robust audio processing solution that integrates multiple features into a single chip, streamlining design and enhancing audio performance across various platforms.