LM4810MM/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Audio Amplifier

Characteristics: - Mono audio amplifier - Low voltage operation - Small package size - High efficiency - Low distortion

Package: Miniature 8-pin MSOP (Micro Small Outline Package)

Essence: The LM4810MM/NOPB is a mono audio amplifier IC designed for low voltage applications. It provides high-quality audio amplification with low distortion and high efficiency.

Packaging/Quantity: The LM4810MM/NOPB is available in tape and reel packaging, with 2500 units per reel.

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Output Power: 1.3W (4Ω load, 5V supply)
• Total Harmonic Distortion: 0.1% (1kHz, 1.3W output power)
• Efficiency: 90% (4Ω load, 1.3W output power)
• Shutdown Current: 0.01μA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM4810MM/NOPB has the following pin configuration:

```

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| | --| VDD GND |-- Pin 1: Power Supply --| IN+ SHDN |-- Pin 2: Non-Inverting Input / Shutdown Control --| IN- OUT |-- Pin 3: Inverting Input / Output --| Bypass GND |-- Pin 4: Bypass Capacitor Connection --| Gain GND |-- Pin 5: Gain Setting --| VOUT VDD |-- Pin 6: Output / Power Supply --| GND VDD |-- Pin 7: Ground / Power Supply --| GND VDD |-- Pin 8: Ground / Power Supply |___________| ```

Functional Features

• Low voltage operation allows for use in battery-powered devices.
• High efficiency ensures minimal power consumption.
• Low distortion provides high-quality audio output.
• Shutdown control feature allows for power saving when the amplifier is not in use.
• Gain setting pin allows for adjusting the amplification level.

Advantages and Disadvantages

Advantages: - Suitable for low voltage applications - Small package size saves board space - High efficiency reduces power consumption - Low distortion ensures high-quality audio output

Disadvantages: - Mono audio amplifier, not suitable for stereo applications - Limited output power compared to higher wattage amplifiers

Working Principles

The LM4810MM/NOPB operates as a class AB audio amplifier. It amplifies the input audio signal and delivers it to the output with minimal distortion. The amplifier can be controlled using the shutdown pin, allowing for power-saving when the device is not in use. The gain setting pin enables adjustment of the amplification level according to the requirements of the application.

Detailed Application Field Plans

The LM4810MM/NOPB is commonly used in various portable audio devices, such as:

1. Mobile phones
2. MP3 players
3. Portable gaming consoles
4. Bluetooth speakers
5. Personal digital assistants (PDAs)

Due to its low voltage operation and small package size, the LM4810MM/NOPB is ideal for compact and battery-powered audio devices.

Detailed and Complete Alternative Models

1. LM4861MM/NOPB: Stereo audio amplifier IC with similar characteristics and package size.
2. LM386N-1/NOPB: Low voltage audio amplifier IC with adjustable gain and small package size.
3. TPA3110D2PWP: Stereo audio amplifier IC with higher output power and advanced features.

These alternative models offer different specifications and features, allowing for flexibility in choosing the most suitable audio amplifier for specific applications.

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