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LM4980SD/NOPB
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LM4980SD/NOPB

Product Overview

Category

LM4980SD/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 LM4980SD/NOPB comes in a standard surface-mount package.

Essence

The essence of LM4980SD/NOPB lies in its ability to provide high-fidelity audio amplification in a compact and efficient package.

Packaging/Quantity

The LM4980SD/NOPB is typically packaged in reels and is available in varying quantities depending on the supplier.

Specifications

  • Supply Voltage: 2.7V to 5.5V
  • Output Power: Up to 1.4W
  • Total Harmonic Distortion (THD): 0.1%
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The LM4980SD/NOPB has a standard pin configuration with input, output, power, and ground pins. The detailed pinout can be found in the product datasheet.

Functional Features

  • Single-ended or differential input
  • Low quiescent current
  • Shutdown mode for power saving
  • Short-circuit and thermal protection

Advantages and Disadvantages

Advantages

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

Disadvantages

  • Limited output power compared to some higher-power amplifiers
  • May require additional components for certain applications

Working Principles

The LM4980SD/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

The LM4980SD/NOPB is well-suited for use in portable electronic devices where high-quality audio amplification is required within a limited power supply range. It can be integrated into smartphones, tablets, portable media players, and other similar devices.

Detailed and Complete Alternative Models

Some alternative models to LM4980SD/NOPB include: - LM386 - TPA3116D2 - MAX9744

These alternatives offer different features and specifications that may better suit specific application requirements.

In conclusion, LM4980SD/NOPB is a versatile audio amplifier suitable for various portable electronic devices, offering high-quality audio amplification within a wide supply voltage range. Its compact package and functional features make it an ideal choice for applications where space and power efficiency are crucial.

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技術ソリューションにおける LM4980SD/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. What is the LM4980SD/NOPB?

    • The LM4980SD/NOPB is a high-performance audio amplifier designed for use in technical solutions requiring high-quality sound reproduction.

  2. What is the maximum power output of the LM4980SD/NOPB?

    • The LM4980SD/NOPB can deliver up to 2.8W of continuous average power into a 4Ω load.

  3. What is the supply voltage range for the LM4980SD/NOPB?

    • The LM4980SD/NOPB operates within a supply voltage range of 2.7V to 5.5V.

  4. What are the key features of the LM4980SD/NOPB?

    • The LM4980SD/NOPB features low quiescent current, shutdown mode, thermal shutdown protection, and short-circuit protection.

  5. Can the LM4980SD/NOPB be used in portable devices?

    • Yes, the LM4980SD/NOPB's low supply voltage and shutdown mode make it suitable for use in portable devices.

  6. What type of applications is the LM4980SD/NOPB commonly used in?

    • The LM4980SD/NOPB is commonly used in portable audio devices, headphone amplifiers, and other battery-powered audio applications.

  7. Does the LM4980SD/NOPB require external compensation?

    • No, the LM4980SD/NOPB has internal compensation, simplifying the design process.

  8. What is the typical total harmonic distortion (THD) of the LM4980SD/NOPB?

    • The LM4980SD/NOPB typically exhibits low THD of 0.1% at 1kHz.

  9. Is the LM4980SD/NOPB available in a small package for space-constrained designs?

    • Yes, the LM4980SD/NOPB is available in a small LLP package, making it suitable for space-constrained designs.

  10. Are there any application notes or reference designs available for the LM4980SD/NOPB?

    • Yes, Texas Instruments provides comprehensive application notes and reference designs for the LM4980SD/NOPB to assist with implementation in technical solutions.