LM4808MMX/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Audio Amplifier

Characteristics: - High-performance audio amplifier - Low power consumption - Small package size - Suitable for portable electronic devices

Package: MMX (Miniature eXposed pad)

Essence: The LM4808MMX/NOPB is a high-performance audio amplifier IC designed for use in portable electronic devices. It provides excellent audio quality while consuming minimal power.

Packaging/Quantity: The LM4808MMX/NOPB is available in a small MMX package and is typically sold in reels of 2500 units.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Output Power: Up to 1.25W per channel
• Total Harmonic Distortion + Noise (THD+N): 0.1% at 1kHz, 0.5W output power
• Efficiency: Up to 90%
• Shutdown Current: 0.01μA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM4808MMX/NOPB has a total of 16 pins arranged as follows:

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| | | 1 16 | | | | 2 15 | | | | 3 14 | | | | 4 13 | | | | 5 12 | | | | 6 11 | | | | 7 10 | | | | 8 9 | |___________________| ```

Functional Features

• Single-ended or differential input
• Adjustable gain control
• Thermal shutdown protection
• Short-circuit and over-temperature protection
• Pop and click suppression circuitry

Advantages and Disadvantages

Advantages: - High audio quality - Low power consumption - Small package size - Wide operating voltage range - Built-in protection features

Disadvantages: - Limited output power compared to some other audio amplifiers - Requires external components for full functionality

Working Principles

The LM4808MMX/NOPB is a class AB audio amplifier that operates by amplifying the input audio signal and driving it through a load, such as a speaker. It utilizes a combination of analog and digital circuitry to provide high-quality audio reproduction while minimizing power consumption.

Detailed Application Field Plans

The LM4808MMX/NOPB is commonly used in various portable electronic devices, including: - Mobile phones - Tablets - Portable media players - Bluetooth speakers - Gaming consoles

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LM4808MMX/NOPB include: - LM4863 - TPA3116D2 - MAX98357A

These alternative models may have different specifications and pin configurations but serve the same purpose of audio amplification in portable electronic devices.

In conclusion, the LM4808MMX/NOPB is a high-performance audio amplifier IC designed for use in portable electronic devices. It offers excellent audio quality, low power consumption, and a small package size. While it has some limitations in terms of output power and external component requirements, it provides a reliable solution for audio amplification in various applications.