Product Overview: LM4879SD/NOPB

The LM4879SD/NOPB is an integrated audio amplifier solution from Texas Instruments, designed to deliver high-quality sound with minimal power consumption. This makes it an ideal choice for portable applications where space and energy efficiency are critical. The device is part of the Boomer® series of audio amplifiers, which are known for their exceptional performance in mobile phones, PDAs, laptops, and other portable devices.

Key Features

• Output Power: The LM4879 is capable of delivering 1.1W of continuous average power to an 8Ω load with less than 1% distortion (THD+N) from a 5V power supply, making it powerful enough for most portable audio applications.
• Low Voltage Operation: It operates on a supply voltage range from 2.2V to 5.5V, allowing it to be used in systems with varying power capabilities.
• High Efficiency: The device includes a shutdown mode feature, which significantly reduces power consumption when the amplifier is not in use. This helps extend battery life in portable devices.
• Micro-Power Shutdown Mode: The LM4879SD/NOPB consumes less than 0.7µA in the shutdown mode, which is beneficial for power-sensitive applications.
• External Gain Configuration: It allows for external gain configuration, giving designers flexibility in setting the gain of the amplifier as required for their specific application.

Applications

With its compact size and efficient operation, the LM4879SD/NOPB is suitable for a wide range of applications. These include:

• Mobile Phones and Smartphones
• Portable Media Players
• Notebook and Tablet Computers
• Portable Gaming Devices
• GPS Devices
• Portable Speakers

Package and Quality

The LM4879SD/NOPB comes in a space-saving, thermally efficient, 10-pin micro SMD package. The device is lead-free and RoHS compliant, adhering to environmental standards and ensuring compatibility with modern manufacturing processes. Texas Instruments' commitment to quality ensures that the LM4879SD/NOPB provides reliable performance for the lifetime of your product.

In summary, the LM4879SD/NOPB from Texas Instruments offers a blend of power, efficiency, and design flexibility, making it a top choice for developers looking to enhance the audio experience in their portable devices.