The LM4681SQX/NOPB is a high-performance audio power amplifier designed and manufactured by Texas Instruments. This integrated circuit is capable of delivering 30 watts of continuous average power to an 8-ohm load with 0.1% (THD+N) from a 28V power supply. It is an ideal solution for high-fidelity audio applications, including home theater systems, desktop speakers, and A/V receivers.

Key Features

• Power Output: Capable of delivering 30W per channel into 8 ohms.
• THD+N: Maintains a low total harmonic distortion plus noise (THD+N) of 0.1%, ensuring clear and precise audio reproduction.
• Efficiency: Features a high-efficiency design, minimizing heat dissipation and reducing the need for bulky heatsinks.
• Single-Supply Operation: Operates from a single 28V power supply, simplifying power supply design.
• Protection Features: Includes a suite of protection features such as over-temperature protection, under-voltage protection, and short-circuit protection, enhancing reliability and longevity.
• Surface-Mount Package: Comes in a compact surface-mount package, making it suitable for space-constrained applications.

Applications

The LM4681SQX/NOPB is versatile and can be used in a variety of audio applications. Some of the common applications include:

• Home theater systems
• Desktop audio systems
• Active speakers
• A/V receivers
• Television sound systems

Quality and Reliability

Texas Instruments is known for its commitment to quality and reliability, and the LM4681SQX/NOPB is no exception. This product is built to meet high standards, ensuring consistent performance and durability across a wide range of operating conditions. The NOPB designation indicates that this product is lead-free, which makes it compliant with RoHS regulations and suitable for use in environmentally sensitive applications.

Ordering Information

The LM4681SQX/NOPB is available for order from Texas Instruments and its authorized distributors. For detailed pricing and availability information, please contact your local sales representative or visit the Texas Instruments website.