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LM48413TL/NOPB

LM48413TL/NOPB

Product Overview

  • Category: Audio Amplifier
  • Use: Amplifying audio signals for various applications
  • Characteristics: High-quality sound reproduction, compact size, low power consumption
  • Package: Thin QFN package
  • Essence: Integrated audio amplifier solution
  • Packaging/Quantity: Tape and reel packaging, 2500 units per reel

Specifications

  • Power Supply Voltage: 2.5V to 5.5V
  • Output Power: Up to 1.3W per channel into 8Ω load at 5V
  • Total Harmonic Distortion + Noise (THD+N): 0.03% (typical) at 1kHz, 1.2W output power
  • Efficiency: Up to 90%
  • Shutdown Current: <1µA (typical)
  • Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM48413TL/NOPB features a 20-pin thin QFN package with the following pin configuration:

  1. VDD
  2. SDZ
  3. SD
  4. GND
  5. INL-
  6. INL+
  7. BYP
  8. OUTL
  9. PVDD
  10. PVSS
  11. PGND
  12. OUTR
  13. INR+
  14. INR-
  15. SHUTDOWN
  16. MODE
  17. BST
  18. BIAS
  19. VREF
  20. VDD

Functional Features

  • Integrated stereo Class D audio amplifier
  • Wide operating voltage range for flexibility
  • Low quiescent current in shutdown mode for power saving
  • Short-circuit and thermal protection for enhanced reliability
  • Pop and click suppression during power-up and shutdown
  • Flexible gain settings for different audio sources

Advantages

  • High-quality sound reproduction with low distortion
  • Compact size allows for space-saving designs
  • Low power consumption for extended battery life
  • Robust protection features ensure durability
  • Easy integration into various audio applications

Disadvantages

  • Limited output power compared to higher wattage amplifiers
  • Requires external components for complete audio system implementation

Working Principles

The LM48413TL/NOPB is a stereo Class D audio amplifier that utilizes pulse width modulation (PWM) to amplify audio signals. It operates by converting the input audio signal into a series of high-frequency pulses, which are then amplified and filtered to produce the desired output. The Class D architecture ensures high efficiency and minimal power loss, making it suitable for portable devices with limited power resources.

Detailed Application Field Plans

The LM48413TL/NOPB can be used in various audio applications, including:

  1. Portable media players
  2. Mobile phones
  3. Tablets and laptops
  4. Bluetooth speakers
  5. Gaming consoles
  6. Automotive infotainment systems

Detailed Alternative Models

  1. LM4863LQ/NOPB: Dual 2.2W Audio Amplifier with Shutdown Mode
  2. LM4889MM/NOPB: 1.1W Audio Power Amplifier with Shutdown Mode
  3. LM4890MM/NOPB: 1.1W Audio Power Amplifier with Shutdown Mode and Input Mux

These alternative models offer similar functionality and can be considered as alternatives to the LM48413TL/NOPB based on specific application requirements.

In conclusion, the LM48413TL/NOPB is a compact and efficient stereo Class D audio amplifier suitable for a wide range of portable audio applications. Its high-quality sound reproduction, low power consumption, and integrated protection features make it an ideal choice for designers looking to enhance audio performance in their products.

10 pirs û bersivên hevpar ên têkildarî sepana LM48413TL/NOPB di çareseriyên teknîkî de navnîş bikin

  1. What is the maximum output power of LM48413TL/NOPB?
    - The maximum output power of LM48413TL/NOPB is 3.2W into 3Ω at 5V.

  2. What is the input voltage range for LM48413TL/NOPB?
    - The input voltage range for LM48413TL/NOPB is 2.7V to 5.5V.

  3. Can LM48413TL/NOPB be used in portable audio applications?
    - Yes, LM48413TL/NOPB is suitable for portable audio applications due to its low power consumption and small footprint.

  4. Does LM48413TL/NOPB require external components for operation?
    - LM48413TL/NOPB requires minimal external components for operation, making it suitable for compact designs.

  5. What is the typical efficiency of LM48413TL/NOPB?
    - The typical efficiency of LM48413TL/NOPB is around 85% at 1W into 8Ω.

  6. Is LM48413TL/NOPB suitable for driving headphones?
    - Yes, LM48413TL/NOPB can drive stereo headphones with its integrated headphone amplifier.

  7. Can LM48413TL/NOPB operate from a single supply voltage?
    - Yes, LM48413TL/NOPB operates from a single supply voltage, simplifying the design process.

  8. What protection features does LM48413TL/NOPB offer?
    - LM48413TL/NOPB includes short-circuit and thermal overload protection for reliable operation.

  9. Is LM48413TL/NOPB compatible with digital signal processing (DSP) systems?
    - Yes, LM48413TL/NOPB is compatible with DSP systems and offers flexibility in audio processing.

  10. What package options are available for LM48413TL/NOPB?
    - LM48413TL/NOPB is available in a small 24-pin WQFN package for space-constrained applications.