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LM49120TL/NOPB

LM49120TL/NOPB

Product Overview

Category

LM49120TL/NOPB belongs to the category of audio amplifiers.

Use

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

Characteristics

  • High-quality audio amplification
  • Low power consumption
  • Small form factor
  • Integrated protection features

Package

The LM49120TL/NOPB comes in a small outline package (SOP) with a specified pin configuration.

Essence

The essence of LM49120TL/NOPB lies in its ability to provide high-fidelity audio amplification in a compact and efficient manner.

Packaging/Quantity

The LM49120TL/NOPB is typically packaged in reels and is available in quantities suitable for mass production.

Specifications

  • Power Supply Voltage: 2.7V to 5.5V
  • Output Power: 1.25W per channel into 8Ω at 5V
  • Total Harmonic Distortion + Noise (THD+N): 0.1% (typical) at 1kHz, 1.25W, 8Ω
  • Shutdown Current: 0.01μA (typical)
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The LM49120TL/NOPB has a detailed pin configuration that includes input, output, power supply, and control pins. The specific pinout can be found in the product datasheet.

Functional Features

  • Integrated volume control
  • Short-circuit and thermal protection
  • Low shutdown current
  • Differential inputs for noise rejection

Advantages

  • High-quality audio amplification
  • Low power consumption
  • Integrated protection features
  • Compact form factor

Disadvantages

  • Limited output power compared to higher wattage amplifiers
  • May require additional circuitry for certain applications

Working Principles

The LM49120TL/NOPB operates by amplifying the input audio signal using an internal amplifier circuit. It utilizes low power while providing high-quality audio output and includes built-in protection features to ensure reliable operation.

Detailed Application Field Plans

The LM49120TL/NOPB is well-suited for use in portable electronic devices such as smartphones, tablets, and portable media players where high-quality audio amplification is required in a space-constrained environment. Additionally, it can be integrated into audio accessories and small speaker systems.

Detailed and Complete Alternative Models

  • LM4863: A higher power audio amplifier suitable for larger speaker systems
  • LM4880: An audio amplifier with similar power characteristics but different packaging options
  • LM4950: A stereo audio amplifier with integrated volume control and shutdown features

This completes the entry for LM49120TL/NOPB, covering its product details, specifications, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.

Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng LM49120TL/NOPB trong giải pháp kỹ thuật

  1. What is the maximum supply voltage for LM49120TL/NOPB?
    - The maximum supply voltage for LM49120TL/NOPB is 5.5V.

  2. What is the typical output power of LM49120TL/NOPB?
    - The typical output power of LM49120TL/NOPB is 1.25W into 8Ω at 5V.

  3. Can LM49120TL/NOPB operate with a single supply voltage?
    - Yes, LM49120TL/NOPB can operate with a single supply voltage ranging from 2.7V to 5.5V.

  4. What is the recommended input signal range for LM49120TL/NOPB?
    - The recommended input signal range for LM49120TL/NOPB is 0.1V to 1.0V RMS.

  5. Does LM49120TL/NOPB have built-in thermal shutdown protection?
    - Yes, LM49120TL/NOPB has built-in thermal shutdown protection.

  6. What is the typical quiescent current of LM49120TL/NOPB?
    - The typical quiescent current of LM49120TL/NOPB is 4.5mA.

  7. Can LM49120TL/NOPB be used in portable audio applications?
    - Yes, LM49120TL/NOPB is suitable for use in portable audio applications.

  8. What is the recommended operating temperature range for LM49120TL/NOPB?
    - The recommended operating temperature range for LM49120TL/NOPB is -40°C to 85°C.

  9. Does LM49120TL/NOPB require external compensation?
    - No, LM49120TL/NOPB does not require external compensation.

  10. Is LM49120TL/NOPB available in a small package for space-constrained designs?
    - Yes, LM49120TL/NOPB is available in a small 16-pin WQFN package for space-constrained designs.