The LM4667MMX is a high-performance audio power amplifier from Texas Instruments designed to deliver exceptional sound quality with high efficiency. This compact, surface-mount device is part of TI's renowned family of audio amplifiers, which are widely recognized for their reliability and superior performance.

Key Features

• Output Power: The LM4667MMX is capable of delivering 2.5W of continuous average power to an 8Ω load with less than 1% THD+N when powered by a 5V power supply.
• Efficiency: With an efficiency of up to 90%, this amplifier ensures minimal power loss and heat dissipation, making it suitable for battery-powered applications.
• Boomer Audio Power: As part of TI's Boomer® product line, it is specifically designed to provide high-quality output power with a minimal number of external components, ideal for mobile phones and other portable devices.
• Micro-Power Shutdown Mode: Features a low-current consumption shutdown mode, which significantly reduces power usage when the amplifier is not in active use.

Applications

• Portable and mobile devices
• Personal digital assistants (PDAs)
• Mobile phones
• Notebook computers
• Portable media players

Technical Specifications

The LM4667MMX operates over a wide power supply range from 2.7V to 5.5V, making it versatile for various applications. It is designed with advanced circuitry to maintain high audio performance even with low battery voltages. The device also integrates a superior click and pop suppression mechanism that minimizes noise when turning the device on and off.

Package and Quality

This amplifier comes in an MSOP-10 package, which is optimized for space-constrained applications. Texas Instruments ensures the highest quality and reliability for the LM4667MMX, supporting its products with comprehensive technical documentation and customer support.