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LM4804LQX/NOPB
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LM4804LQX/NOPB

Product Overview

Category

LM4804LQX/NOPB belongs to the category of audio amplifiers.

Use

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

Characteristics

  • High-quality audio amplification
  • Low power consumption
  • Small form factor
  • Wide input voltage range

Package

The LM4804LQX/NOPB comes in a compact and durable package suitable for surface mount applications.

Essence

The essence of LM4804LQX/NOPB lies in its ability to deliver high-fidelity audio amplification while consuming minimal power.

Packaging/Quantity

The LM4804LQX/NOPB is typically packaged in reels and available in quantities suitable for mass production.

Specifications

  • Power Supply Voltage: 2.7V to 5.5V
  • Output Power: 1W per channel into 8Ω at 5V
  • Total Harmonic Distortion + Noise (THD+N): 0.1% (typical) at 1kHz, 5V
  • Shutdown Current: 0.6μA (typical)
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The LM4804LQX/NOPB has a standard pin configuration with inputs, outputs, and power supply pins clearly labeled for easy integration into circuit designs.

Functional Features

  • Single-ended or BTL output capability
  • Thermal shutdown protection
  • Short-circuit and overvoltage protection
  • Low quiescent current

Advantages and Disadvantages

Advantages

  • High-quality audio amplification
  • Low power consumption
  • Built-in protection features
  • Versatile output configurations

Disadvantages

  • Limited output power compared to higher wattage amplifiers
  • Requires external components for optimal performance

Working Principles

The LM4804LQX/NOPB operates by amplifying the input audio signal using a class AB amplifier configuration, ensuring efficient power usage and minimal distortion.

Detailed Application Field Plans

The LM4804LQX/NOPB is well-suited for use in portable electronic devices where high-quality audio amplification is required without compromising on power efficiency. It can be integrated into smartphones, tablets, portable speakers, and other battery-powered audio devices.

Detailed and Complete Alternative Models

  • TPA2012D2 from Texas Instruments
  • MAX98306 from Maxim Integrated
  • NJM2746 from New Japan Radio

In conclusion, the LM4804LQX/NOPB offers a balance of high-quality audio amplification and low power consumption, making it an ideal choice for portable electronic devices requiring efficient audio amplification. Its versatile features and compact package make it a popular choice among designers looking to enhance the audio capabilities of their products.

Перечислите 10 распространенных вопросов и ответов, связанных с применением LM4804LQX/NOPB в технических решениях.

  1. What is the typical application of LM4804LQX/NOPB?

    • The LM4804LQX/NOPB is commonly used as a high-performance audio amplifier in portable devices such as smartphones, tablets, and portable media players.

  2. What is the maximum power output of LM4804LQX/NOPB?

    • The LM4804LQX/NOPB can deliver up to 1.3W of continuous average power into an 8Ω load.

  3. What is the supply voltage range for LM4804LQX/NOPB?

    • The supply voltage range for LM4804LQX/NOPB is typically between 2.7V and 5.5V.

  4. Does LM4804LQX/NOPB require external components for operation?

    • Yes, LM4804LQX/NOPB requires minimal external components for proper operation, making it suitable for compact designs.

  5. What is the typical input impedance of LM4804LQX/NOPB?

    • The typical input impedance of LM4804LQX/NOPB is 40kΩ.

  6. Can LM4804LQX/NOPB operate in a bridge-tied load configuration?

    • Yes, LM4804LQX/NOPB can be configured to operate in a bridge-tied load (BTL) configuration for higher power output.

  7. Is LM4804LQX/NOPB suitable for battery-powered applications?

    • Yes, LM4804LQX/NOPB's low power consumption and wide supply voltage range make it well-suited for battery-powered applications.

  8. What are the key features of LM4804LQX/NOPB?

    • Some key features of LM4804LQX/NOPB include low quiescent current, thermal shutdown protection, and pop-and-click circuitry.

  9. Can LM4804LQX/NOPB handle short-circuit conditions?

    • Yes, LM4804LQX/NOPB is designed to withstand short-circuit conditions without damage to the device.

  10. Are there any recommended application circuits for LM4804LQX/NOPB?

    • Yes, the datasheet for LM4804LQX/NOPB provides several recommended application circuits to help designers implement the amplifier in their technical solutions.