LM4781TA/NOPB

Product Overview

The LM4781TA/NOPB belongs to the category of audio amplifier integrated circuits. It is commonly used in audio applications such as stereo systems, home theaters, and professional audio equipment. The LM4781TA/NOPB is known for its high-quality sound reproduction, compact package, and efficient performance. It is available in a TO-220 package and is typically sold individually.

Specifications

• Power Supply Range: ±10V to ±42V
• Output Power: 60W per channel
• Total Harmonic Distortion: 0.03%
• Package Type: TO-220
• Number of Pins: 11
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The LM4781TA/NOPB has 11 pins, with each pin serving a specific function in the circuit. The detailed pin configuration is as follows: 1. Mute 2. Non-Inverting Input (Channel A) 3. Inverting Input (Channel A) 4. V- 5. V+ 6. Inverting Input (Channel B) 7. Non-Inverting Input (Channel B) 8. Mute 9. Output (Channel B) 10. V- 11. V+

Functional Features

The LM4781TA/NOPB features a mute function, which allows the user to silence the audio output when needed. It also has independent non-inverting and inverting inputs for each channel, providing flexibility in audio signal processing. The integrated thermal shutdown and overvoltage protection ensure the safety and reliability of the amplifier.

Advantages and Disadvantages

Advantages

• High-quality sound reproduction
• Wide power supply range
• Thermal shutdown and overvoltage protection
• Compact package

Disadvantages

• Limited output power compared to higher wattage amplifiers
• Requires heat sinking for optimal performance at higher power levels

Working Principles

The LM4781TA/NOPB operates on the principle of amplifying audio signals with high fidelity and minimal distortion. It utilizes a bridge-tied load (BTL) configuration to drive speakers efficiently and effectively. The internal circuitry ensures stable operation across varying load conditions and temperature ranges.

Detailed Application Field Plans

The LM4781TA/NOPB is well-suited for a wide range of audio applications, including: - Stereo systems - Home theaters - Professional audio equipment - Multimedia speakers - Audio amplification in automotive systems

Detailed and Complete Alternative Models

Some alternative models to the LM4781TA/NOPB include: - LM3886 - TDA7294 - TPA3116D2 - STA540

In conclusion, the LM4781TA/NOPB is a versatile audio amplifier IC that offers high-quality sound reproduction and reliable performance in various audio applications.

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