LM4884MH/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Audio Amplifier

Characteristics: - High-performance audio amplifier - Low power consumption - Small package size - Wide supply voltage range - Excellent audio quality

Package: Metal Can (MH)

Essence: The LM4884MH/NOPB is a high-performance audio amplifier IC designed for various audio applications. It provides excellent audio quality while consuming low power, making it suitable for portable devices and battery-powered systems.

Packaging/Quantity: The LM4884MH/NOPB is available in a metal can package and is typically sold in reels or tubes containing multiple units.

Specifications

The LM4884MH/NOPB has the following specifications:

• Supply Voltage Range: 2.7V to 5.5V
• Output Power: Up to 1W per channel
• Total Harmonic Distortion (THD): <0.1%
• Signal-to-Noise Ratio (SNR): >90dB
• Shutdown Current: <1μA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM4884MH/NOPB has a 10-pin configuration with the following pinout:

1. VDD (Positive Power Supply)
2. INL- (Negative Input for Left Channel)
3. INL+ (Positive Input for Left Channel)
4. GND (Ground)
5. BYP (Bypass Capacitor Connection)
6. OUTL (Output for Left Channel)
7. INR- (Negative Input for Right Channel)
8. INR+ (Positive Input for Right Channel)
9. SHUTDOWN (Shutdown Control)
10. OUTR (Output for Right Channel)

Functional Features

• High-quality audio amplification
• Low power consumption
• Shutdown control for power saving
• Bypass capacitor connection for improved performance
• Wide supply voltage range for flexibility

Advantages and Disadvantages

Advantages: - Excellent audio quality - Low power consumption - Small package size - Wide supply voltage range - Shutdown control for power saving

Disadvantages: - Limited output power compared to higher wattage amplifiers - Requires external bypass capacitors for optimal performance

Working Principles

The LM4884MH/NOPB is a class AB audio amplifier that amplifies the input audio signal while maintaining low distortion. It utilizes a bridge-tied load (BTL) configuration, which allows for increased output power without the need for an output coupling capacitor.

When an audio signal is applied to the input pins, the LM4884MH/NOPB amplifies it and delivers the amplified signal to the respective output channels. The shutdown pin can be used to turn off the amplifier when not in use, reducing power consumption.

Detailed Application Field Plans

The LM4884MH/NOPB is commonly used in various audio applications, including but not limited to: - Portable audio devices (e.g., MP3 players, smartphones) - Headphone amplifiers - Battery-powered audio systems - Multimedia speakers - Personal computer audio interfaces

Detailed and Complete Alternative Models

Some alternative models to the LM4884MH/NOPB include: - LM4881MH/NOPB - LM4883MH/NOPB - LM4886MH/NOPB - LM4863MH/NOPB

These alternative models offer similar functionality and characteristics, providing options for different design requirements.

In conclusion, the LM4884MH/NOPB is a high-performance audio amplifier IC with excellent audio quality, low power consumption, and a small package size. It is widely used in portable audio devices, headphone amplifiers, and battery-powered audio systems. While it has some limitations in terms of output power, it offers a reliable solution for various audio applications.