The LM4667ITL/NOPB is a state-of-the-art audio power amplifier from Texas Instruments, designed to deliver high-quality sound while maintaining energy efficiency. This compact, integrated circuit is specifically engineered for portable applications where space is at a premium and power is sourced from low voltage supplies.

Key Features

• Output Power: The LM4667ITL/NOPB can drive a 3W channel into a 4Ω load with less than 1.0% Total Harmonic Distortion plus Noise (THD+N) when powered by a 5V power supply.
• Boomer Audio Power Amplifier: As part of TI's Boomer series, this amplifier is optimized for high-quality audio performance with low voltage operation.
• Efficiency: Its high efficiency of 90% helps to minimize heat generation, thereby eliminating the need for heat sinks even when operating at full power.
• Micro-Power Shutdown Mode: Features an ultra-low current shutdown mode, which is critical for extending battery life in portable systems.
• No Output Coupling Capacitors: The device does not require bootstrap capacitors or snubber circuits, streamlining the design and reducing overall component count.
• Surface-Mount Package: Housed in a tiny leadless 9-bump micro SMD package, it is perfect for applications where space is constrained.

Applications

The LM4667ITL/NOPB is ideal for a variety of applications that require efficient audio amplification. These include:

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

Quality and Reliability

With the NOPB (No Lead (Pb) Balls) designation, this device is part of Texas Instruments' commitment to environmentally friendly manufacturing practices. It is RoHS compliant and designed to meet the highest quality and reliability standards, ensuring consistent performance across a variety of conditions.