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LM48556TLX/NOPB
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LM48556TLX/NOPB

Product Overview

Category

LM48556TLX/NOPB belongs to the category of integrated audio amplifiers.

Use

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

Characteristics

  • High-quality audio amplification
  • Low power consumption
  • Compact size
  • Wide operating voltage range
  • Thermal shutdown protection

Package

LM48556TLX/NOPB is available in a small outline package (SOP) or a thin quad flat pack (TQFP).

Essence

The essence of LM48556TLX/NOPB lies in its ability to provide efficient and high-quality audio amplification while consuming minimal power.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Supply Voltage: 2.5V to 5.5V
  • Output Power: Up to 1.4W per channel
  • Total Harmonic Distortion + Noise (THD+N): <0.1%
  • Signal-to-Noise Ratio (SNR): >90dB
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The LM48556TLX/NOPB has a total of 20 pins. The pin configuration is as follows:

  1. VDD
  2. GND
  3. SD
  4. SCL
  5. SDA
  6. SHUTDOWN
  7. MODE
  8. BIAS
  9. OUTL
  10. OUTR
  11. NC
  12. NC
  13. NC
  14. NC
  15. NC
  16. NC
  17. NC
  18. NC
  19. NC
  20. NC

Functional Features

  • Integrated audio amplifier with a built-in digital-to-analog converter (DAC)
  • Supports multiple audio input formats
  • Adjustable gain control
  • Pop and click suppression during power-up and power-down

Advantages and Disadvantages

Advantages

  • High-quality audio amplification
  • Low power consumption
  • Compact size for easy integration into various devices
  • Wide operating voltage range allows for flexibility in power supply
  • Thermal shutdown protection prevents damage due to overheating

Disadvantages

  • Limited output power compared to higher wattage amplifiers
  • May require additional external components for optimal performance

Working Principles

LM48556TLX/NOPB operates by receiving audio signals from the input source, converting them into analog signals using the integrated DAC, and amplifying the analog signals to drive speakers or headphones. The gain control feature allows users to adjust the amplification level according to their requirements.

Detailed Application Field Plans

The LM48556TLX/NOPB is widely used in various portable electronic devices where audio amplification is required. Some common application fields include:

  1. Smartphones and tablets
  2. Laptops and desktop computers
  3. Portable media players
  4. Bluetooth speakers
  5. Gaming consoles
  6. Automotive infotainment systems

Detailed and Complete Alternative Models

  1. LM4863: Similar audio amplifier with higher output power capability.
  2. LM386: Low-power audio amplifier suitable for battery-powered applications.
  3. TPA3116D2: Class-D audio amplifier with high efficiency and excellent sound quality.
  4. MAX9744: Integrated stereo audio amplifier with automatic gain control.

These alternative models offer different features and specifications, allowing users to choose the most suitable option based on their specific requirements.

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기술 솔루션에 LM48556TLX/NOPB 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

  1. What is the maximum output power of LM48556TLX/NOPB?
    - The maximum output power of LM48556TLX/NOPB is 1.1W per channel into 8Ω loads.

  2. What is the input voltage range for LM48556TLX/NOPB?
    - The input voltage range for LM48556TLX/NOPB is 2.7V to 5.5V.

  3. Can LM48556TLX/NOPB operate in a single-ended or differential input mode?
    - LM48556TLX/NOPB can operate in both single-ended and differential input modes.

  4. What is the typical shutdown current of LM48556TLX/NOPB?
    - The typical shutdown current of LM48556TLX/NOPB is 0.6μA.

  5. Does LM48556TLX/NOPB have built-in thermal shutdown protection?
    - Yes, LM48556TLX/NOPB has built-in thermal shutdown protection.

  6. What is the typical efficiency of LM48556TLX/NOPB?
    - The typical efficiency of LM48556TLX/NOPB is 85% at 1W into 8Ω.

  7. Can LM48556TLX/NOPB be used in portable audio applications?
    - Yes, LM48556TLX/NOPB is suitable for use in portable audio applications.

  8. What is the recommended operating temperature range for LM48556TLX/NOPB?
    - The recommended operating temperature range for LM48556TLX/NOPB is -40°C to 85°C.

  9. Is LM48556TLX/NOPB compatible with common audio input sources?
    - Yes, LM48556TLX/NOPB is compatible with common audio input sources such as smartphones, tablets, and MP3 players.

  10. Does LM48556TLX/NOPB require external compensation components?
    - No, LM48556TLX/NOPB does not require external compensation components, simplifying the design process.