STMicroelectronics TDA7439D Audio Processor

The TDA7439D from STMicroelectronics is a sophisticated audio processor IC, specifically designed to deliver a high-quality audio experience in modern audio and video equipment. This cutting-edge component is ideal for applications requiring advanced signal processing for tone and volume control, as well as input selection.

Key Features:

• Input Multiplexer: The TDA7439D includes a 4 stereo input multiplexer, which provides flexibility in audio source selection. This feature allows users to switch between different audio sources without the need for additional switching components.
• Independent Volume Control: Each input channel comes with independent volume control, offering precise adjustment of the audio level for each source, ensuring a tailored listening experience.
• Bass, Middle, and Treble Control: The integrated tone control includes adjustable bass, middle, and treble frequencies. This allows for fine-tuning of the audio output to match listener preferences or to compensate for room acoustics.
• Loudness Function: An onboard loudness function is also available, enhancing the listening experience at low volumes by boosting the bass and treble response.
• Standby and Mute Functions: Energy efficiency and user convenience are addressed with standby and mute functions, which help to reduce power consumption and enable quick audio muting when needed.

Technical Specifications:

• Supply Voltage Range: 6V to 10.5V
• Total Harmonic Distortion (THD): 0.01% at 1 kHz
• Signal to Noise Ratio (SNR): 80 dB
• Adjustment Steps: 1.25 dB/step for volume control
• Package: SO-28 (Small Outline Package with 28 leads)

The TDA7439D is not only a testament to STMicroelectronics' commitment to audio excellence but also to its dedication to providing solutions that enhance user experience and system functionality. With its robust design and advanced features, the TDA7439D is a prime choice for audio enthusiasts and professionals looking to create high-fidelity audio systems with minimal external components and straightforward implementation.