The LM4851LQ/NOPB is an integrated audio amplifier solution from Texas Instruments designed to deliver high-quality sound while maintaining power efficiency. This innovative device combines a 1.1W audio power amplifier with a headphone amplifier into a compact, power-saving package, making it an ideal choice for portable electronic devices where space and battery life are at a premium.

Key Features

• Audio Power Amplifier: Delivers up to 1.1W of continuous average power to an 8Ω BTL load with less than 1.0% THD+N, ensuring clear and powerful audio output.
• Headphone Amplifier: Includes a high-quality stereo headphone amplifier which provides a personal listening experience without compromising sound fidelity.
• Efficiency: Designed with power conservation in mind, the LM4851LQ/NOPB features a low shutdown current of 0.7µA, minimizing battery drain when not in use.
• Space-Saving Design: Offered in a compact 24-pin LLP package, it allows for a reduced footprint on the PCB, freeing up space for other critical components.
• No "Pop & Click": The device incorporates circuitry that suppresses unwanted noise, ensuring a smooth operation without audible pops and clicks during power-up or shutdown.
• Thermal Protection: Built-in thermal shutdown protection prevents damage from overheating, enhancing the longevity and reliability of the device.
• Flexible Operation: Capable of operating from a 2.2V to 5.5V power supply, it can easily integrate into a variety of system designs.

Applications

The LM4851LQ/NOPB is versatile and can be used in a range of applications, including:

• Mobile Phones
• Portable Media Players
• Handheld Gaming Devices
• Laptop and Notebook Computers
• Portable DVD Players

Quality and Reliability

Texas Instruments is known for its commitment to quality, and the LM4851LQ/NOPB is no exception. This product is lead-free and RoHS compliant, adhering to environmental standards and ensuring compatibility with the latest manufacturing requirements. With its robust design and Texas Instruments' reputation for reliability, this audio amplifier is an excellent choice for designers seeking performance and durability.