Texas Instruments
画像はイメージの場合もございます。
商品詳細は仕様をご覧ください。
LM4906LD/NOPB
詳細を表示 DataSheets

LM4906LD/NOPB

Product Overview

Category

LM4906LD/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 efficiency
  • Low distortion
  • Small package size
  • Low power consumption

Package

The LM4906LD/NOPB comes in a small outline package (SOP) with a specified pin configuration.

Essence

The essence of LM4906LD/NOPB lies in its ability to provide high-quality audio amplification in a compact and efficient package.

Packaging/Quantity

The LM4906LD/NOPB is typically packaged in reels and available in quantities suitable for mass production.

Specifications

  • Power Supply Range: 2.4V to 5.5V
  • Output Power: 1.1W at 5V, 10% THD+N, 8Ω Load
  • Shutdown Current: 0.01μA (Typical)
  • Quiescent Current: 4mA (Typical)

Detailed Pin Configuration

The detailed pin configuration of LM4906LD/NOPB includes input pins, output pins, power supply pins, and control pins. Each pin serves a specific function in the amplification process.

Functional Features

  • Low Quiescent Current
  • Thermal Shutdown Protection
  • Short-Circuit and Thermal Protection
  • Unity-Gain Stable

Advantages and Disadvantages

Advantages

  • Small package size
  • Low power consumption
  • High efficiency

Disadvantages

  • Limited output power compared to higher wattage amplifiers
  • Requires external components for full functionality

Working Principles

The LM4906LD/NOPB operates by receiving an audio input signal and amplifying it to drive a connected speaker or headphone. It utilizes internal circuitry to ensure low distortion and high efficiency while maintaining low power consumption.

Detailed Application Field Plans

The LM4906LD/NOPB is well-suited for use in portable electronic devices where space and power efficiency are crucial. It can be integrated into smartphones, tablets, portable media players, and other battery-powered devices requiring audio amplification.

Detailed and Complete Alternative Models

  • LM4863: A higher power audio amplifier suitable for applications requiring more output power.
  • LM4880: A stereo audio amplifier with similar characteristics but designed for dual-channel audio amplification.

In conclusion, the LM4906LD/NOPB is a compact and efficient audio amplifier suitable for various portable electronic devices. Its low power consumption and high efficiency make it an ideal choice for applications where space and battery life are critical factors.

[Word Count: 387]

技術ソリューションにおける LM4906LD/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 typical application of LM4906LD/NOPB?

    • The LM4906LD/NOPB is commonly used as a high-performance audio amplifier in portable devices such as smartphones, tablets, and portable gaming systems.

  2. What is the maximum power output of LM4906LD/NOPB?

    • The LM4906LD/NOPB can deliver up to 1.1W of continuous average power into an 8Ω load with less than 1% THD+N.

  3. What is the input voltage range for LM4906LD/NOPB?

    • The LM4906LD/NOPB has an input voltage range from 2.7V to 5.5V, making it suitable for various battery-powered applications.

  4. Does LM4906LD/NOPB require external components for operation?

    • Yes, the LM4906LD/NOPB requires minimal external components for operation, including input capacitors, feedback resistors, and output capacitors.

  5. What is the typical efficiency of LM4906LD/NOPB?

    • The typical efficiency of LM4906LD/NOPB is around 85%, making it an energy-efficient choice for battery-powered devices.

  6. Can LM4906LD/NOPB operate in a bridge-tied load (BTL) configuration?

    • Yes, the LM4906LD/NOPB can be configured for BTL operation to drive speakers with higher output power.

  7. Is LM4906LD/NOPB suitable for stereo audio applications?

    • Yes, the LM4906LD/NOPB can be used in stereo configurations to provide high-quality audio output for stereo applications.

  8. What are the key protection features of LM4906LD/NOPB?

    • The LM4906LD/NOPB includes thermal shutdown and output short-circuit protection to ensure reliable operation and prevent damage to the device.

  9. What is the package type of LM4906LD/NOPB?

    • The LM4906LD/NOPB is available in a small 8-pin WSON package, making it suitable for space-constrained designs.

  10. Are there any application notes or reference designs available for LM4906LD/NOPB?

    • Yes, Texas Instruments provides comprehensive application notes and reference designs to assist with the implementation of LM4906LD/NOPB in various technical solutions.