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LME49811TB/NOPB

LME49811TB/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Audio Power Amplifier

Characteristics: - High-performance audio amplifier - Single-channel operation - Wide supply voltage range - Low distortion and noise - High output power capability

Package: TO-220-15

Essence: The LME49811TB/NOPB is a high-performance audio power amplifier IC designed for single-channel operation. It offers excellent audio quality with low distortion and noise, making it suitable for various audio applications.

Packaging/Quantity: The LME49811TB/NOPB is available in a TO-220-15 package. Each package contains one IC.

Specifications

  • Supply Voltage Range: ±20V to ±85V
  • Output Power: Up to 200W
  • Total Harmonic Distortion (THD): <0.01%
  • Input Impedance: 22kΩ
  • Output Impedance: 0.03Ω
  • Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LME49811TB/NOPB IC has the following pin configuration:

  1. VCC+
  2. IN-
  3. IN+
  4. VEE-
  5. GND
  6. OUT
  7. VEE+
  8. NC
  9. NC
  10. NC
  11. NC
  12. NC
  13. NC
  14. NC
  15. VCC-

Functional Features

  • High voltage gain
  • High slew rate
  • Thermal shutdown protection
  • Short-circuit protection
  • Overvoltage protection
  • Undervoltage protection

Advantages and Disadvantages

Advantages: - High-quality audio performance - Wide supply voltage range allows flexibility in power supply design - Low distortion and noise for improved audio clarity - Built-in protection features ensure safe operation

Disadvantages: - Limited to single-channel operation - Higher cost compared to lower-performance alternatives

Working Principles

The LME49811TB/NOPB operates as a voltage amplifier, taking an input audio signal and amplifying it to a higher power level suitable for driving speakers. It utilizes a combination of high voltage gain, low distortion, and thermal protection mechanisms to deliver high-quality audio performance.

Detailed Application Field Plans

The LME49811TB/NOPB is commonly used in the following audio applications:

  1. Home theater systems
  2. Professional audio equipment
  3. Car audio systems
  4. Musical instrument amplifiers
  5. Public address systems

Detailed and Complete Alternative Models

  1. TDA7294 - Audio Power Amplifier IC
  2. LM3886 - High-Performance Audio Power Amplifier IC
  3. TPA3116D2 - Class D Audio Amplifier IC
  4. STA540 - 4-Channel Audio Power Amplifier IC
  5. NJM2073 - Low Voltage Audio Power Amplifier IC

These alternative models offer similar functionality and can be considered as substitutes for the LME49811TB/NOPB in various audio applications.

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10 domande e risposte comuni relative all'applicazione di LME49811TB/NOPB nelle soluzioni tecniche

  1. What is the LME49811TB/NOPB?

    • The LME49811TB/NOPB is a high-fidelity audio power amplifier designed for use in technical solutions requiring high-quality audio amplification.
  2. What is the maximum power output of the LME49811TB/NOPB?

    • The LME49811TB/NOPB can deliver up to 200 watts of continuous output power into an 8-ohm load.
  3. What are the key features of the LME49811TB/NOPB?

    • The LME49811TB/NOPB features high slew rate, low distortion, and excellent thermal performance, making it ideal for demanding audio applications.
  4. What is the recommended power supply voltage for the LME49811TB/NOPB?

    • The recommended power supply voltage for the LME49811TB/NOPB is +/-35 volts.
  5. Can the LME49811TB/NOPB be used in bridged amplifier configurations?

    • Yes, the LME49811TB/NOPB is suitable for use in bridged amplifier configurations to achieve higher output power.
  6. What protection features does the LME49811TB/NOPB offer?

    • The LME49811TB/NOPB includes over-temperature protection and output over-voltage protection to safeguard the amplifier and connected components.
  7. Is the LME49811TB/NOPB suitable for professional audio applications?

    • Yes, the LME49811TB/NOPB is well-suited for professional audio applications due to its high performance and reliability.
  8. What is the typical THD+N (Total Harmonic Distortion + Noise) of the LME49811TB/NOPB?

    • The typical THD+N of the LME49811TB/NOPB is 0.0006% at 1 kHz and 100 watts into an 8-ohm load.
  9. Does the LME49811TB/NOPB require external compensation components?

    • No, the LME49811TB/NOPB features internal compensation, simplifying the design and layout of the amplifier circuit.
  10. What are the recommended heat sink requirements for the LME49811TB/NOPB?

    • Adequate heat sinking is essential for the LME49811TB/NOPB, and a large, well-ventilated heat sink should be used to maintain optimal thermal performance.