LM4871LDX/NOPB

Product Overview

Category

LM4871LDX/NOPB belongs to the category of audio power amplifiers.

Use

It is used to amplify audio signals and drive speakers in various electronic devices such as mobile phones, tablets, and portable media players.

Characteristics

• High efficiency
• Low quiescent current
• Minimal external components required
• Thermal shutdown protection

Package

The LM4871LDX/NOPB comes in a small 8-pin DSBGA package.

Essence

The essence of LM4871LDX/NOPB lies in its ability to provide high-quality audio amplification in a compact and efficient package.

Packaging/Quantity

The LM4871LDX/NOPB is typically available in reels with a quantity of 2500 units per reel.

Specifications

• Output Power: 3W (typical)
• Supply Voltage Range: 2.7V to 5.5V
• Total Harmonic Distortion + Noise (THD+N): 0.15% (typical)
• Shutdown Current: 0.01µA (typical)

Detailed Pin Configuration

The LM4871LDX/NOPB features the following pin configuration: 1. IN- 2. IN+ 3. VDD 4. SHUTDOWN 5. GND 6. OUT- 7. OUT+ 8. BYPASS

Functional Features

• Single-ended or differential input
• Low-power shutdown mode
• Short-circuit and thermal overload protection
• External gain configuration option

Advantages and Disadvantages

Advantages

• Small form factor
• Low power consumption
• Built-in protection features
• Flexible input configuration

Disadvantages

• Limited output power compared to higher wattage amplifiers
• Requires careful PCB layout for optimal performance

Working Principles

The LM4871LDX/NOPB operates by amplifying the input audio signal using an internal amplifier circuit and then driving the output to the connected speaker. It utilizes low quiescent current and high efficiency to deliver amplified audio while minimizing power consumption.

Detailed Application Field Plans

The LM4871LDX/NOPB is well-suited for use in portable electronic devices where space and power efficiency are crucial. It can be integrated into smartphones, tablets, portable media players, and other battery-powered devices requiring audio amplification.

Detailed and Complete Alternative Models

Some alternative models to LM4871LDX/NOPB include: - TPA2012D2 from Texas Instruments - MAX98306 from Maxim Integrated - PAM8403 from Diodes Incorporated

In conclusion, LM4871LDX/NOPB is a compact and efficient audio power amplifier suitable for various portable electronic devices, offering high-quality audio amplification with minimal power consumption and built-in protection features. Its small form factor and flexible input configuration make it an ideal choice for space-constrained applications.