The LM4871MM is a high-quality audio power amplifier from Texas Instruments, designed for portable and consumer electronics applications. This device is part of TI's Boomer® series, which is renowned for delivering high-fidelity audio with low voltage operation, making it ideal for battery-powered devices.
Key Features:
- Output Power: The LM4871MM can deliver 3W of continuous average power to a 3Ω load with less than 10% THD+N when powered by a 5V power supply.
- Efficiency: It features a high-efficiency Class AB output stage, ensuring extended battery life in portable applications.
- No "Pop & Click": The device includes a built-in shutdown feature that eliminates noise commonly associated with powering on and off audio circuits.
- Single-Supply Operation: It operates from a single 5V supply, simplifying the power supply design and minimizing the number of external components needed.
- Micro-Power Shutdown Mode: The LM4871MM features a micro-power shutdown mode with a typical shutdown current of 0.7µA, which is beneficial for preserving battery life in portable devices.
- Unity-Gain Stable: It can be operated at unity gain without external compensation, which reduces external part count.
Applications:
- Mobile Phones and PDAs
- Portable Media Players
- Laptop and Notebook Computers
- Portable Gaming Devices
Package and Quality:
The LM4871MM is offered in an 8-pin VSSOP (MM) package, which is compact and suitable for space-constrained applications. Texas Instruments is committed to maintaining the highest quality standards, and this product is designed to meet those rigorous demands.
Design Support:
Designers can take advantage of Texas Instruments' extensive design support resources, which include application notes, reference designs, and online simulation tools to assist in implementing the LM4871MM into their projects.