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LM4982TL/NOPB

LM4982TL/NOPB

Product Overview

Category

LM4982TL/NOPB belongs to the category of audio amplifiers.

Use

It is used for amplifying audio signals in various electronic devices such as smartphones, tablets, and portable media players.

Characteristics

  • High-quality audio amplification
  • Low distortion
  • Wide supply voltage range
  • Thermal shutdown protection

Package

The LM4982TL/NOPB comes in a small outline package (SOP) with a specified pin configuration.

Essence

The essence of LM4982TL/NOPB lies in its ability to provide high-fidelity audio amplification in a compact and efficient package.

Packaging/Quantity

The LM4982TL/NOPB is typically packaged in reels and available in quantities suitable for mass production.

Specifications

  • Supply Voltage: 2.7V to 5.5V
  • Output Power: Up to 1.4W
  • Total Harmonic Distortion + Noise (THD+N): 0.1%
  • Quiescent Current: 4mA
  • Shutdown Current: 0.01μA

Detailed Pin Configuration

The detailed pin configuration of LM4982TL/NOPB includes input pins, output pins, power supply pins, and control pins. Refer to the datasheet for the complete pinout diagram.

Functional Features

  • Single-ended or differential input
  • Integrated volume control
  • Short-circuit and thermal protection
  • Low quiescent current in shutdown mode

Advantages and Disadvantages

Advantages

  • High-quality audio amplification
  • Wide supply voltage range
  • Integrated volume control for simplified design

Disadvantages

  • Limited output power compared to some higher-power amplifiers
  • Requires external components for certain configurations

Working Principles

The LM4982TL/NOPB operates by amplifying the input audio signal using internal circuitry and then delivering the amplified signal to the output while maintaining low distortion and high fidelity.

Detailed Application Field Plans

LM4982TL/NOPB is well-suited for applications such as: - Portable audio devices - Headphone amplifiers - Multimedia speakers - Audio accessories for mobile devices

Detailed and Complete Alternative Models

Some alternative models to LM4982TL/NOPB include: - LM386 - TPA3116D2 - MAX9744

In conclusion, LM4982TL/NOPB is a versatile audio amplifier that offers high-quality audio amplification in a compact package, making it suitable for a wide range of portable and consumer electronic devices.

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技術ソリューションにおける LM4982TL/NOPB の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. Question: What is the maximum supply voltage for LM4982TL/NOPB?
    Answer: The maximum supply voltage for LM4982TL/NOPB is 15V.

  2. Question: What is the typical output power of LM4982TL/NOPB in a 4-ohm load?
    Answer: The typical output power of LM4982TL/NOPB in a 4-ohm load is 2.8W.

  3. Question: Can LM4982TL/NOPB operate with a single supply voltage?
    Answer: Yes, LM4982TL/NOPB can operate with a single supply voltage.

  4. Question: What is the recommended operating temperature range for LM4982TL/NOPB?
    Answer: The recommended operating temperature range for LM4982TL/NOPB is -40°C to 85°C.

  5. Question: Does LM4982TL/NOPB have built-in thermal shutdown protection?
    Answer: Yes, LM4982TL/NOPB has built-in thermal shutdown protection.

  6. Question: What is the typical total harmonic distortion (THD) of LM4982TL/NOPB at 1W output power?
    Answer: The typical THD of LM4982TL/NOPB at 1W output power is 0.1%.

  7. Question: Is LM4982TL/NOPB suitable for battery-powered applications?
    Answer: Yes, LM4982TL/NOPB is suitable for battery-powered applications.

  8. Question: What is the quiescent current consumption of LM4982TL/NOPB?
    Answer: The quiescent current consumption of LM4982TL/NOPB is typically 4.5mA.

  9. Question: Can LM4982TL/NOPB be used in bridge-tied load (BTL) configurations?
    Answer: Yes, LM4982TL/NOPB can be used in bridge-tied load configurations.

  10. Question: What is the typical efficiency of LM4982TL/NOPB at full output power?
    Answer: The typical efficiency of LM4982TL/NOPB at full output power is 88%.