LM2476TB/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Power Amplifier

Characteristics: - High efficiency - Wide input voltage range - Low distortion - Thermal shutdown protection

Package: TO-220-7

Essence: The LM2476TB/NOPB is a power amplifier IC designed for audio applications. It provides high-quality amplification with low distortion and high efficiency.

Packaging/Quantity: The LM2476TB/NOPB is available in a TO-220-7 package. Each package contains one IC.

Specifications

• Supply Voltage Range: 10V to 40V
• Output Power: 20W per channel
• Total Harmonic Distortion: 0.1% (typical)
• Efficiency: 90% (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM2476TB/NOPB has the following pin configuration:

1. VCC: Power supply voltage
2. IN+: Positive input terminal
3. IN-: Negative input terminal
4. GND: Ground
5. OUT: Output terminal
6. VEE: Negative power supply voltage
7. SHUTDOWN: Shutdown control input

Functional Features

• High-efficiency Class AB operation
• Thermal shutdown protection
• Short-circuit protection
• Overvoltage protection
• Low quiescent current

Advantages and Disadvantages

Advantages: - High efficiency results in less power dissipation and reduced heat generation. - Wide input voltage range allows for versatile applications. - Low distortion ensures high-quality audio output. - Thermal shutdown protection prevents damage due to excessive temperature.

Disadvantages: - Limited output power compared to some other power amplifier ICs. - Requires external components for proper operation.

Working Principles

The LM2476TB/NOPB operates as a Class AB power amplifier. It amplifies the audio signal received at the input terminals and delivers it to the output terminal with high fidelity. The IC incorporates various protection mechanisms, such as thermal shutdown and short-circuit protection, to ensure safe and reliable operation.

Detailed Application Field Plans

The LM2476TB/NOPB is commonly used in the following applications:

1. Home audio systems
2. Car audio systems
3. Portable speakers
4. Professional audio equipment

Alternative Models

Some alternative models that can be considered as alternatives to the LM2476TB/NOPB are:

1. TDA7294: Similar power amplifier IC with higher output power capability.
2. LM3886: Power amplifier IC with lower distortion and higher output power.
3. TPA3116D2: Digital power amplifier IC with integrated audio processing features.

These alternative models offer different specifications and features, allowing users to choose the most suitable option based on their specific requirements.

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