LM4873LQ/NOPB

Introduction

The LM4873LQ/NOPB is a versatile audio amplifier belonging to the category of integrated circuits. This device is commonly used in audio applications due to its compact size, high efficiency, and low power consumption. The LM4873LQ/NOPB is known for its exceptional audio performance and is available in a small package, making it suitable for portable electronic devices.

Basic Information Overview

• Category: Integrated Circuit
• Use: Audio Amplification
• Characteristics: Compact, High Efficiency, Low Power Consumption
• Package: QFN (Quad Flat No-Lead)
• Essence: High-Quality Audio Amplification
• Packaging/Quantity: Available in Tape and Reel Packaging, Quantity Varies

Specifications

The LM4873LQ/NOPB features the following specifications: - Power Supply Range: 2.7V to 5.5V - Output Power: 3W at 10% THD into 3Ω - Shutdown Current: 0.6μA (Typical) - Quiescent Power Supply Current: 4mA (Typical)

Detailed Pin Configuration

The LM4873LQ/NOPB has a 16-pin QFN package with the following pin configuration: 1. IN- 2. IN+ 3. GND 4. VDD 5. BYPASS 6. SHUTDOWN 7. MODE 8. OUT-

Functional Features

• High Efficiency: The LM4873LQ/NOPB operates with high efficiency, minimizing power loss.
• Low Power Consumption: It consumes minimal power, making it suitable for battery-powered devices.
• Thermal Shutdown Protection: Incorporates thermal shutdown protection to prevent overheating.

Advantages and Disadvantages

Advantages

• Compact Size
• High Efficiency
• Low Power Consumption
• Thermal Shutdown Protection

Disadvantages

• Limited output power compared to higher wattage amplifiers
• Requires external components for optimal performance

Working Principles

The LM4873LQ/NOPB amplifies audio signals by receiving input from a source and delivering an amplified output through connected speakers or headphones. It utilizes a low-power supply while maintaining high efficiency, making it suitable for portable and battery-powered devices.

Detailed Application Field Plans

The LM4873LQ/NOPB finds application in various fields, including: - Portable Audio Devices - Mobile Phones - Tablets - Portable Gaming Consoles - Bluetooth Speakers

Detailed and Complete Alternative Models

Some alternative models to the LM4873LQ/NOPB include: - TPA3116D2: A higher power audio amplifier suitable for larger speaker systems. - MAX98357A: An ultra-low-power audio amplifier designed for battery-operated devices.

In conclusion, the LM4873LQ/NOPB is a compact and efficient audio amplifier suitable for a wide range of portable electronic devices. Its high-quality audio performance and low power consumption make it a popular choice in the industry.

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