STMicroelectronics Bridge Amplifier Class A-B, 26W Output Power, 11-Pin Multiwatt TDA7391

STMicroelectronics TDA7391 is a high-performance Class A-B bridge audio amplifier designed for automotive applications. This 11-pin Multiwatt packaged device delivers a clean and powerful 26W output, making it ideal for in-vehicle entertainment systems.

The amplifier operates within a supply voltage range of 8V to 18V and is capable of driving very low impedance speakers with superior audio clarity. Its robust design incorporates multiple integrated protection mechanisms, such as short circuit, electrostatic discharge (ESD), load dump, and thermal shutdown, ensuring reliable operation in demanding automotive environments.

The TDA7391 meets the stringent AEC-Q100 automotive standard, guaranteeing durability and stability under extreme operating conditions, with a temperature range spanning from -40°C to 150°C. This amplifier is particularly suited for vehicles with start-stop engines and hybrid systems due to its advanced efficiency features including optional I²C interface and diagnostics, digital input support, and augmented efficiency modes.

Compact and space-saving, the amplifier measures 19.6mm in length, 10.7mm in height, and 5mm in width. Its single channel design simplifies integration into automotive audio layouts while maintaining excellent performance levels.

Provides robust and efficient power amplification for automotive audio applications. Operates over a supply voltage range from 8V to 18V. Includes integrated protections for short circuits, ESD, load dumping, and over-temperature.

Designed to handle low impedance speakers with high audio fidelity. Complies with AEC-Q100 automotive standard ensuring reliability in harsh environments. Suitable for both start-stop and hybrid engine systems due to its enhanced efficiency options.

Compact dimensions: 19.6mm length, 10.7mm height, and 5mm width. Wide operating temperature range from -40°C to 150°C.

This STMicroelectronics TDA7391 Bridge Amplifier is widely used in automotive entertainment systems, providing reliable performance in industrial settings requiring stable audio amplification under varying power supply conditions and temperatures. Its features make it suitable for laboratory development, automotive manufacturing, HVAC sound systems, and commercial audio applications.

Explore other semiconductor audio amplifiers and electronic components here on EnvMart for comprehensive product selection.

Explore more products in our Audio Amplifier ICs category.