Texas Instruments
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LM48410SQE/NOPB
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LM48410SQE/NOPB

Product Overview

Category

LM48410SQE/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
  • Integrated boost converter
  • Thermal shutdown protection

Package

The LM48410SQE/NOPB comes in a small outline integrated circuit (SOIC) package.

Essence

The essence of LM48410SQE/NOPB lies in its ability to provide high-quality audio amplification in a compact and efficient manner.

Packaging/Quantity

The LM48410SQE/NOPB is typically available in reels with a quantity of 2500 units per reel.

Specifications

  • Power Supply Voltage: 2.7V to 5.5V
  • Output Power: 1.3W per channel into 8Ω at 5V
  • Total Harmonic Distortion + Noise (THD+N): 0.1% (typical)
  • Shutdown Current: 0.1μA (typical)

Detailed Pin Configuration

The detailed pin configuration of LM48410SQE/NOPB includes: 1. VDD: Power supply voltage input 2. GND: Ground connection 3. SD: Shutdown pin 4. INP: Positive audio input 5. INN: Negative audio input 6. BST: Boost converter output 7. OUTN: Negative audio output 8. OUTP: Positive audio output

Functional Features

  • Integrated boost converter for efficient power management
  • Thermal shutdown protection for overtemperature conditions
  • Low quiescent current for power efficiency
  • Differential audio inputs for noise rejection

Advantages and Disadvantages

Advantages

  • High efficiency and low power consumption
  • Compact package size
  • Integrated boost converter simplifies system design
  • Thermal shutdown protection ensures device safety

Disadvantages

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

Working Principles

The LM48410SQE/NOPB operates by amplifying the audio input signals using an internal boost converter to efficiently drive the speakers. It incorporates thermal shutdown protection to prevent overheating and ensure safe operation.

Detailed Application Field Plans

The LM48410SQE/NOPB is well-suited for use in portable electronic devices such as smartphones, tablets, portable media players, and Bluetooth speakers. Its compact size and efficient power management make it ideal for applications where space and battery life are critical factors.

Detailed and Complete Alternative Models

Some alternative models to LM48410SQE/NOPB include: - LM4863: Higher power output audio amplifier - LM4880: Stereo audio amplifier with differential inputs - LM49352: Integrated audio subsystem with multiple features

In conclusion, LM48410SQE/NOPB is a versatile audio amplifier suitable for various portable electronic devices, offering high efficiency, compact size, and integrated boost converter for efficient power management.

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Énumérez 10 questions et réponses courantes liées à l'application de LM48410SQE/NOPB dans les solutions techniques

  1. What is the maximum output power of LM48410SQE/NOPB?
    - The maximum output power of LM48410SQE/NOPB is 1.2W per channel into 8Ω loads.

  2. What is the input voltage range for LM48410SQE/NOPB?
    - The input voltage range for LM48410SQE/NOPB is 2.7V to 5.5V.

  3. Can LM48410SQE/NOPB be used in battery-powered applications?
    - Yes, LM48410SQE/NOPB can be used in battery-powered applications due to its wide input voltage range and low power consumption.

  4. Does LM48410SQE/NOPB require external components for operation?
    - LM48410SQE/NOPB requires minimal external components for operation, making it suitable for space-constrained designs.

  5. What is the typical efficiency of LM48410SQE/NOPB?
    - The typical efficiency of LM48410SQE/NOPB is around 85% at 1W output power.

  6. Is LM48410SQE/NOPB suitable for portable audio devices?
    - Yes, LM48410SQE/NOPB is suitable for portable audio devices due to its low power consumption and small footprint.

  7. Can LM48410SQE/NOPB drive headphones directly?
    - Yes, LM48410SQE/NOPB can drive headphones directly with its integrated headphone amplifier.

  8. What protection features does LM48410SQE/NOPB offer?
    - LM48410SQE/NOPB offers short-circuit and thermal overload protection for reliable operation.

  9. What is the package type of LM48410SQE/NOPB?
    - LM48410SQE/NOPB is available in a small 24-pin WQFN package for easy integration into compact designs.

  10. Is LM48410SQE/NOPB RoHS compliant?
    - Yes, LM48410SQE/NOPB is RoHS compliant, making it suitable for environmentally conscious designs.