The LM4990MH/NOPB is an audio power amplifier primarily designed for demanding applications in mobile phones and other portable communication device applications. It is capable of delivering 1.1W of continuous average power to an 8Ω BTL load with less than 1% distortion (THD+N) from a 5V DC power supply.

Key Features

• Output Power: Delivers 1.1W into 8Ω loads with less than 1% THD+N.
• Efficiency: High efficiency achieved through a Class AB amplifier design.
• Boomer® Audio Power: Part of Texas Instruments' Boomer series, which are designed to provide high-quality audio while minimizing power consumption.
• Shutdown Mode: Features a shutdown mode that reduces power consumption when not in use.
• Surface-Mount Package: Comes in an MSOP-8 package that is ideal for space-constrained applications.
• No ‘Pop & Click’: The device has circuitry to prevent the audible 'pop and click' during device turn-on and turn-off transitions.

Applications

The LM4990MH/NOPB is suitable for a variety of applications that require audio amplification, such as:

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

Quality and Reliability

Texas Instruments is known for its commitment to quality and reliability, and the LM4990MH/NOPB is no exception. This product is available in a lead-free package and is characterized for operation from -40°C to +85°C, making it a reliable choice for portable electronics.

Ordering Information

The part number LM4990MH/NOPB indicates that the product is provided in a Non-Reel package and is lead-free (NOPB stands for 'No Lead (Pb)'). For ordering and detailed specifications, it is recommended to consult the Texas Instruments website or contact their sales and support team.