LM4808MX/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Audio Amplifier

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

Package: MX (Surface Mount)

Essence: The LM4808MX/NOPB is a high-performance audio amplifier IC designed for various audio applications. It offers excellent sound quality and low power consumption, making it suitable for portable devices and battery-powered systems.

Packaging/Quantity: The LM4808MX/NOPB is available in a surface mount package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Output Power: Up to 1.25W 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 LM4808MX/NOPB has a 16-pin surface mount package with the following pin configuration:

1. VDD (Power Supply)
2. GND (Ground)
3. SHUTDOWN (Shutdown Control)
4. BYPASS (Bypass Capacitor Connection)
5. IN+ (Positive Input)
6. IN- (Negative Input)
7. OUT1 (Channel 1 Output)
8. OUT2 (Channel 2 Output)
9. NC (No Connection)
10. NC (No Connection)
11. NC (No Connection)
12. NC (No Connection)
13. NC (No Connection)
14. NC (No Connection)
15. NC (No Connection)
16. NC (No Connection)

Functional Features

• High-quality audio amplification
• Low power consumption for extended battery life
• Built-in shutdown control for power saving
• Bypass capacitor connection for improved performance
• Dual-channel output for stereo applications

Advantages and Disadvantages

Advantages: - Excellent sound quality - Wide operating voltage range - Low total harmonic distortion - Small package size for space-constrained designs - Shutdown control for power saving

Disadvantages: - Limited output power compared to higher wattage amplifiers - No built-in volume control or equalization features

Working Principles

The LM4808MX/NOPB operates as a class AB audio amplifier. It amplifies the input audio signal and delivers it to the output channels with minimal distortion. The shutdown control allows the amplifier to be turned off when not in use, reducing power consumption.

Detailed Application Field Plans

The LM4808MX/NOPB is suitable for various audio applications, including: 1. Portable audio devices (e.g., MP3 players, smartphones) 2. Headphone amplifiers 3. Battery-powered speakers 4. Personal computer audio systems 5. Automotive audio systems

Detailed and Complete Alternative Models

1. LM4861MX/NOPB
2. LM4871MX/NOPB
3. LM4890MX/NOPB
4. LM4950MX/NOPB
5. LM4985MX/NOPB

These alternative models offer similar functionality and can be considered as alternatives to the LM4808MX/NOPB based on specific requirements and design considerations.

In conclusion, the LM4808MX/NOPB is a high-performance audio amplifier IC that offers excellent sound quality, low power consumption, and a small package size. It is widely used in portable audio devices, headphone amplifiers, and other audio applications. While it has limitations in terms of output power and additional features, it provides a reliable and efficient solution for audio amplification needs.