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LM4926TL/NOPB
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LM4926TL/NOPB

Product Overview

Category

LM4926TL/NOPB belongs to the category of audio amplifiers.

Use

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

Characteristics

  • High efficiency
  • Low noise
  • Small package size
  • Low power consumption

Package

The LM4926TL/NOPB comes in a small outline package (SOP) with a specified dimension.

Essence

The essence of LM4926TL/NOPB lies in its ability to provide high-quality audio amplification in a compact and efficient manner.

Packaging/Quantity

The LM4926TL/NOPB is typically packaged in reels and available in quantities suitable for mass production.

Specifications

  • Power Supply Range: 2.7V to 5.5V
  • Output Power: 1.25W per channel into 8Ω at 5V
  • Total Harmonic Distortion + Noise (THD+N): 0.15% (typical) at 1kHz, 1.25W, 8Ω
  • Shutdown Current: 0.01μA (typical)
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The LM4926TL/NOPB has a total of 20 pins, including power supply pins, input and output pins, and control pins. A detailed pin configuration diagram can be found in the product datasheet.

Functional Features

  • Integrated volume control
  • Thermal shutdown protection
  • Short-circuit and overcurrent protection
  • Soft-start feature to minimize pop noise during startup

Advantages and Disadvantages

Advantages

  • High efficiency and low power consumption
  • Compact package size
  • Integrated protection features for reliable operation

Disadvantages

  • Limited output power compared to larger audio amplifiers
  • May require additional components for specific applications

Working Principles

The LM4926TL/NOPB operates by amplifying the input audio signal using internal circuitry and then delivering the amplified signal to the connected speakers or headphones. It utilizes efficient power management techniques to minimize power consumption while maintaining high-quality audio output.

Detailed Application Field Plans

The LM4926TL/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 to enhance the audio experience for users.

Detailed and Complete Alternative Models

Some alternative models to LM4926TL/NOPB include: - LM4863 - TPA2012 - MAX98306

These alternatives offer similar functionality and performance characteristics, providing options for designers based on specific project requirements.

In conclusion, the LM4926TL/NOPB is a versatile audio amplifier that offers high efficiency, compact size, and reliable performance, making it an ideal choice for various portable electronic devices.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan LM4926TL/NOPB dalam solusi teknis

  1. Question: What is the maximum output power of LM4926TL/NOPB?
    Answer: The maximum output power of LM4926TL/NOPB is 1.35W into 8Ω at 5V.

  2. Question: Can LM4926TL/NOPB operate with a single supply voltage?
    Answer: Yes, LM4926TL/NOPB can operate with a single supply voltage ranging from 2.7V to 5.5V.

  3. Question: What is the typical quiescent current of LM4926TL/NOPB?
    Answer: The typical quiescent current of LM4926TL/NOPB is 4mA.

  4. Question: Does LM4926TL/NOPB have built-in thermal shutdown protection?
    Answer: Yes, LM4926TL/NOPB features built-in thermal shutdown protection.

  5. Question: What is the recommended input voltage range for LM4926TL/NOPB?
    Answer: The recommended input voltage range for LM4926TL/NOPB is 0.15V to 1.5V.

  6. Question: Can LM4926TL/NOPB be used in portable audio applications?
    Answer: Yes, LM4926TL/NOPB is suitable for use in portable audio applications due to its low power consumption and small footprint.

  7. Question: What is the typical total harmonic distortion plus noise (THD+N) of LM4926TL/NOPB?
    Answer: The typical THD+N of LM4926TL/NOPB is 0.1% at 1kHz, 5V, and 8Ω.

  8. Question: Does LM4926TL/NOPB require external coupling capacitors?
    Answer: No, LM4926TL/NOPB does not require external coupling capacitors, which simplifies the design.

  9. Question: Is LM4926TL/NOPB compatible with stereo audio signals?
    Answer: Yes, LM4926TL/NOPB is compatible with stereo audio signals and can drive two channels independently.

  10. Question: What is the recommended operating temperature range for LM4926TL/NOPB?
    Answer: The recommended operating temperature range for LM4926TL/NOPB is -40°C to 85°C.