The LM4947TL/NOPB is an integrated audio amplifier designed and manufactured by Texas Instruments (TI), a leader in semiconductor solutions. This compact and efficient component is part of TI's Boomer® series, which are specifically engineered to enhance the audio performance and battery life of portable devices. The LM4947TL/NOPB is an ideal choice for applications where space and power consumption are critical considerations.

Key Features

• Output Power: Capable of delivering 2.4W of continuous average power to a 4Ω load with less than 1% distortion (THD+N) from a 5V power supply.
• Audio Channels: It is a stereo audio amplifier, which means it can drive left and right audio channels simultaneously for a rich stereo sound experience.
• Power Supply Range: Operates from 2.4V to 5.5V, making it versatile for use in a wide range of battery-powered devices.
• Efficiency: High efficiency of 85% helps to minimize heat generation and prolong battery life in portable applications.
• Noise Reduction: Features a superior pop & click circuitry that eliminates noises which would otherwise occur during turn-on and turn-off transitions.
• Micro-Power Shutdown: Offers a shutdown mode that significantly reduces power consumption when the amplifier is not in use.

Applications

The LM4947TL/NOPB is suitable for a broad array of portable audio applications, including:

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

Package and Quality

The device comes in a space-saving micro SMD package, which is ideal for portable electronic devices where space is at a premium. Additionally, the NOPB designation indicates that the product is lead-free and RoHS compliant, reflecting Texas Instruments' commitment to environmental sustainability. With its advanced features and reliable performance, the LM4947TL/NOPB is a top choice for designers looking to enhance the audio capabilities of their next-generation portable devices.