The LM4911MMX is an advanced audio amplifier integrated circuit (IC) designed and manufactured by Texas Instruments (TI), a leader in semiconductor solutions. This IC is part of TI's extensive audio amplifier product line and is designed to provide high-quality audio amplification with minimal power consumption, making it an ideal choice for portable and battery-powered applications.

Key Features

• Output Power: The LM4911MMX is capable of delivering 35mW of continuous average power to a 32-ohm load with 0.1% (THD+N) from a 5V power supply, ensuring clear and powerful audio performance for its size.
• Boomer® Audio Power Amplifiers: As part of TI's Boomer audio power amplifier series, this IC is optimized for high-quality sound reproduction with low voltage operations.
• Power Efficiency: The device features a shutdown mode that significantly reduces power consumption when not in use, making it ideal for battery-powered devices where energy efficiency is paramount.
• Ultra-Small Footprint: The LM4911MMX comes in a micro-SMD package, which is extremely compact and suitable for space-constrained applications.
• Wide Supply Voltage Range: It operates over a wide supply voltage range from 2.7V to 5.5V, which allows for flexibility in various design schemas and compatibility with multiple battery technologies.

Applications

The LM4911MMX is designed for a variety of audio applications, including but not limited to:

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

Technical Specifications

Some of the technical specifications of the LM4911MMX include:

• Supply Voltage Range: 2.7V to 5.5V
• Output Power: 35mW into 32 Ohms
• THD+N: 0.1%
• Shutdown Current: 0.7µA (typical)
• Package Type: Micro-SMD

The LM4911MMX from Texas Instruments represents a blend of miniature size, power efficiency, and high-quality audio output, making it an excellent choice for designers looking to enhance the audio capabilities of their portable electronic devices.