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LM48512TLX/NOPB

LM48512TLX/NOPB

Product Overview

Category

LM48512TLX/NOPB belongs to the category of audio power amplifiers.

Use

It is used to amplify audio signals and drive speakers in various electronic devices such as smartphones, tablets, portable media players, and other portable electronic devices.

Characteristics

  • High efficiency
  • Low quiescent current
  • Thermal shutdown protection
  • Short-circuit and thermal protection
  • Wide supply voltage range

Package

The LM48512TLX/NOPB comes in a small 24-pin HTSSOP package.

Essence

The essence of LM48512TLX/NOPB lies in its ability to provide high-quality audio amplification in a compact and efficient package.

Packaging/Quantity

The LM48512TLX/NOPB is typically available in reels with a quantity of 2500 units per reel.

Specifications

  • Output Power: 3.2W at 5V, 10% THD+N, 1kHz, 8Ω
  • Efficiency: Up to 90%
  • Quiescent Current: 4mA
  • Supply Voltage Range: 2.7V to 5.5V
  • Shutdown Current: 0.01µA
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The detailed pin configuration of LM48512TLX/NOPB includes input pins, output pins, power supply pins, and control pins. Please refer to the datasheet for the complete pinout diagram.

Functional Features

  • Differential inputs
  • Fixed gain of 6dB
  • Integrated volume control
  • Click-and-pop suppression
  • Internal thermal shutdown protection

Advantages and Disadvantages

Advantages

  • High efficiency leading to longer battery life in portable devices
  • Small package size for space-constrained designs
  • Integrated volume control simplifies system design
  • Thermal and short-circuit protection enhance reliability

Disadvantages

  • Fixed gain may not be suitable for all applications
  • Limited output power compared to larger audio amplifiers

Working Principles

The LM48512TLX/NOPB operates by amplifying the input audio signal and driving it through the connected speaker. It utilizes differential inputs and internal feedback to achieve high efficiency and low quiescent current. The integrated volume control allows for easy adjustment of the audio output level.

Detailed Application Field Plans

The LM48512TLX/NOPB is well-suited for use in portable electronic devices where space and power efficiency are critical. It can be employed in smartphones, tablets, portable media players, Bluetooth speakers, and other battery-powered audio devices.

Detailed and Complete Alternative Models

Some alternative models to LM48512TLX/NOPB include: - LM4863: A similar audio power amplifier with adjustable gain and stereo output - TPA2012: An ultra-low-power audio amplifier with variable gain and shutdown mode - MAX98357A: Class D amplifier with I2S input and flexible gain settings

In conclusion, LM48512TLX/NOPB is a versatile audio power amplifier suitable for a wide range of portable electronic devices, offering high efficiency, integrated volume control, and reliable thermal and short-circuit protection.

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10個與LM48512TLX/NOPB在技術方案中應用相關的常見問題與解答

  1. Question: What is the maximum input voltage for LM48512TLX/NOPB?
    Answer: The maximum input voltage for LM48512TLX/NOPB is 5.5V.

  2. Question: What is the typical output power of LM48512TLX/NOPB?
    Answer: The typical output power of LM48512TLX/NOPB is 1.4W per channel into 8Ω at 5V.

  3. Question: Does LM48512TLX/NOPB require external compensation?
    Answer: No, LM48512TLX/NOPB does not require external compensation.

  4. Question: What is the recommended operating temperature range for LM48512TLX/NOPB?
    Answer: The recommended operating temperature range for LM48512TLX/NOPB is -40°C to 125°C.

  5. Question: Can LM48512TLX/NOPB operate with a single supply voltage?
    Answer: Yes, LM48512TLX/NOPB can operate with a single supply voltage ranging from 2.7V to 5.5V.

  6. Question: What is the package type of LM48512TLX/NOPB?
    Answer: LM48512TLX/NOPB is available in a 20-pin WQFN package.

  7. Question: Does LM48512TLX/NOPB have short-circuit and thermal protection?
    Answer: Yes, LM48512TLX/NOPB features short-circuit and thermal protection.

  8. Question: What is the typical quiescent current of LM48512TLX/NOPB?
    Answer: The typical quiescent current of LM48512TLX/NOPB is 4.2mA.

  9. Question: Can LM48512TLX/NOPB be used in portable audio applications?
    Answer: Yes, LM48512TLX/NOPB is suitable for use in portable audio applications.

  10. Question: Is there a recommended application circuit for LM48512TLX/NOPB?
    Answer: Yes, a recommended application circuit can be found in the LM48512TLX/NOPB datasheet.