The LM4990LDX/NOPB is an audio power amplifier designed by Texas Instruments, aimed at providing high-quality sound amplification with minimal power consumption. This component is part of the LM4990 series, which is known for its efficiency and performance in portable applications. The device is particularly suited for mobile phones, PDAs, laptops, and any other portable device where high-quality audio and power efficiency are required.

Key Features

• Output Power: The LM4990LDX/NOPB is capable of delivering 2 watts of continuous average power to an 8-ohm BTL load with less than 1% distortion (THD+N) from a 5V DC power supply.
• Power Supply Range: It operates over a wide power supply range from 2.2V to 5.5V, making it versatile for various battery-operated devices.
• Micro-Power Shutdown Mode: Features an ultra-low current shutdown mode, which significantly reduces power consumption when not in use.
• External Gain Configuration: The gain of the LM4990LDX/NOPB can be configured by external gain-setting resistors, allowing designers to customize the audio performance for their specific application.
• Surface-Mount Package: Comes in a space-saving LLP-10 (Leadless Leadframe Package) that is ideal for compact electronic assemblies.

Applications

• Mobile Phones
• Portable Media Players
• PDAs
• Notebook Computers

Quality and Reliability

As with all Texas Instruments products, the LM4990LDX/NOPB is manufactured to the highest quality standards. Its robust design ensures reliable operation even under varying conditions. The device's "NOPB" suffix indicates that it is part of TI's green product portfolio, which means it is lead-free (Pb-Free) and RoHS compliant, minimizing its environmental impact.

Ordering Information

The product is available in tape and reel packaging, facilitating the manufacturing process for high-volume production. For more details, datasheets, and specific ordering information, please visit the Texas Instruments official website or contact their sales representatives.