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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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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av LM4864N i tekniska lösningar

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.