TDA7448

TDA7448 - Professional Audio Volume Control IC

The TDA7448 from STMicroelectronics is a high-performance 6-channel volume control integrated circuit designed specifically for professional audio applications. This surface-mount IC features I2C interface control, operating across a wide voltage range of 4.75V to 10V, making it ideal for advanced audio processing systems requiring precise, digitally-controlled volume management across multiple channels.

Key Features & Benefits

• 6-channel volume control for multi-channel audio systems with independent channel adjustment
• I2C digital interface for precise, microcontroller-based control and easy system integration
• Wide supply voltage range: 4.75V ~ 10V for flexible power supply design
• Professional audio grade with exceptional -79dB specifications for low noise and high fidelity
• Surface mount 20-SOIC package for compact designs and automated assembly
• Operating temperature: 0°C ~ 70°C (TA) for reliable commercial-grade performance
• RoHS compliant meeting environmental standards for global market compliance
• Low distortion and excellent channel separation for pristine audio quality

Applications & Use Cases

The TDA7448 is engineered for demanding professional audio environments where precise multi-channel volume control is essential:

• Professional Mixing Consoles: Multi-channel audio mixing and routing systems
• Audio Processors: Digital signal processing equipment and effects units
• Home Theater Systems: Surround sound receivers and multi-room audio distribution
• Automotive Audio: Premium car audio systems with multi-speaker configurations
• Studio Equipment: Recording and mastering equipment requiring precise level control
• Public Address Systems: Commercial sound reinforcement applications

Design Advantages

The I2C interface enables seamless integration with microcontrollers and digital audio processors, allowing for sophisticated volume control algorithms, remote control functionality, and automated audio management. The wide supply voltage range provides design flexibility for various power supply architectures, while the professional-grade specifications ensure transparent audio performance with minimal signal degradation.

Quality & Reliability

As a STMicroelectronics product, the TDA7448 benefits from world-class semiconductor manufacturing processes, rigorous quality control, and comprehensive technical support. The RoHS compliance ensures environmental responsibility and global market acceptance for your audio designs.

Related Resources & Product Categories

Explore more Audio Special Purpose components for your professional audio projects, including audio amplifiers, DACs, ADCs, and signal processing ICs. Browse our complete catalog of semiconductor components at HQICKEY for all your electronic design needs, or visit our News & Technical Blog for application notes, design resources, technical articles, and industry insights to support your engineering projects.

• TDA7448.pdf