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LM4864N
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LM4864N

Product Overview

Category: Integrated Circuit (IC)

Use: Audio Power Amplifier

Characteristics: - Single supply voltage range: 4V to 12V - Output power: 1W - Low quiescent current: 4mA - Low distortion: 0.2% - Small package size: DIP-8 - Essence: Mono audio amplifier

Packaging/Quantity: The LM4864N is available in a plastic dual in-line package (DIP) and is typically sold in quantities of one.

Specifications

The LM4864N has the following specifications:

  • Supply Voltage Range: 4V to 12V
  • Quiescent Current: 4mA
  • Output Power: 1W
  • Total Harmonic Distortion + Noise (THD+N): 0.2%
  • Package Type: DIP-8

Pin Configuration

The LM4864N has a total of 8 pins, which are configured as follows:

  1. VDD: Positive supply voltage
  2. IN+: Non-inverting input
  3. IN-: Inverting input
  4. BYPASS: Bypass pin for internal biasing
  5. GND: Ground
  6. SHUTDOWN: Shutdown control pin
  7. OUT: Output pin
  8. VSS: Negative supply voltage

Functional Features

The LM4864N offers the following functional features:

  • Single-ended output
  • Internal gain setting resistors
  • Thermal shutdown protection
  • Short-circuit protection
  • Low quiescent current

Advantages and Disadvantages

Advantages: - Wide supply voltage range - Low distortion - Small package size - Low quiescent current

Disadvantages: - Limited output power (1W) - Mono audio amplifier

Working Principles

The LM4864N is an audio power amplifier that amplifies the input audio signal and provides a higher power output to drive speakers. It operates on a single supply voltage and uses internal gain setting resistors to control the amplification level. The amplifier also includes thermal shutdown and short-circuit protection features to ensure safe operation.

Detailed Application Field Plans

The LM4864N can be used in various applications, including:

  1. Portable audio devices
  2. Personal computers
  3. Televisions
  4. Gaming consoles
  5. Automotive audio systems

Detailed and Complete Alternative Models

Some alternative models to the LM4864N include:

  1. TDA7052 - Audio power amplifier with similar specifications and package type.
  2. LM386 - Low voltage audio power amplifier with adjustable gain.
  3. TPA3116D2 - Class D audio amplifier with higher output power.

These alternative models offer different features and performance characteristics, allowing users to choose the most suitable option for their specific requirements.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi LM4864N dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of LM4864N in technical solutions:

  1. Q: What is LM4864N? A: LM4864N is a low-power audio amplifier integrated circuit (IC) designed for use in portable devices such as smartphones, tablets, and laptops.

  2. Q: What is the maximum output power of LM4864N? A: The maximum output power of LM4864N is typically around 1 watt per channel when powered by a 5V supply.

  3. Q: Can LM4864N drive speakers directly? A: Yes, LM4864N can directly drive small speakers with an impedance of 8 ohms or higher.

  4. Q: What is the input voltage range for LM4864N? A: The input voltage range for LM4864N is typically between 2.7V and 5.5V.

  5. Q: Does LM4864N require external components for operation? A: Yes, LM4864N requires a few external components such as capacitors, resistors, and feedback components to function properly.

  6. Q: Can LM4864N operate on a single power supply? A: Yes, LM4864N can operate on a single power supply ranging from 2.7V to 5.5V.

  7. Q: Is LM4864N suitable for battery-powered applications? A: Yes, LM4864N is designed for low-power consumption, making it suitable for battery-powered applications where power efficiency is important.

  8. Q: Can LM4864N handle stereo audio signals? A: Yes, LM4864N is a stereo audio amplifier, capable of handling stereo audio signals.

  9. Q: What is the typical quiescent current of LM4864N? A: The typical quiescent current of LM4864N is around 5 mA, making it suitable for low-power applications.

  10. Q: Does LM4864N have built-in thermal protection? A: Yes, LM4864N has built-in thermal shutdown protection to prevent overheating and damage to the IC.

Please note that these answers are general and may vary depending on specific datasheet specifications and application requirements.