Texas Instruments
圖片可能僅供參考。
有關產品詳細信息，請參閱規格。
LM4884MHX/NOPB
詳情 數據表

LM4884MHX/NOPB

Product Overview

Category

LM4884MHX/NOPB belongs to the category of audio amplifier integrated circuits.

Use

It is used for amplifying audio signals in various electronic devices such as mobile phones, tablets, portable media players, and other consumer electronics.

Characteristics

  • High-quality audio amplification
  • Low power consumption
  • Small form factor
  • Wide supply voltage range

Package

The LM4884MHX/NOPB is available in a miniature 8-pin VSSOP package.

Essence

The essence of LM4884MHX/NOPB lies in its ability to provide high-fidelity audio amplification while consuming minimal power and occupying minimal space.

Packaging/Quantity

The LM4884MHX/NOPB is typically packaged in reels with a quantity of 2500 units per reel.

Specifications

  • Power Supply Voltage: 2.7V to 5.5V
  • Output Power: 1.1W (typical) into 8Ω at 5V
  • Total Harmonic Distortion + Noise (THD+N): 0.1% (typical) at 1kHz, 1.1W, 8Ω
  • Shutdown Current: 0.01μA (typical)
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The LM4884MHX/NOPB has the following pin configuration: 1. OUT- 2. OUT+ 3. GND 4. VDD 5. SD 6. BYP 7. IN- 8. IN+

Functional Features

  • Single-ended or differential input
  • Low shutdown current
  • Thermal shutdown protection
  • Short-circuit and thermal overload protection

Advantages and Disadvantages

Advantages

  • High-quality audio amplification
  • Low power consumption
  • Small form factor
  • Wide supply voltage range

Disadvantages

  • Limited output power compared to some higher-power amplifiers
  • May require external components for certain applications

Working Principles

The LM4884MHX/NOPB operates by amplifying the input audio signal using an internal amplifier circuit. It utilizes low power while delivering high-quality audio output. The device also incorporates various protection features to ensure reliable operation.

Detailed Application Field Plans

The LM4884MHX/NOPB is well-suited for use in portable electronic devices where space and power consumption are critical considerations. It can be integrated into smartphones, tablets, portable media players, and other battery-powered consumer electronics to enhance the audio experience.

Detailed and Complete Alternative Models

Some alternative models to LM4884MHX/NOPB include: - LM4863 - LM4871 - LM4894

These alternatives offer similar functionality and performance characteristics, providing options for different design requirements.

In conclusion, the LM4884MHX/NOPB is a versatile audio amplifier IC that offers high-quality audio amplification with minimal power consumption and a compact form factor. Its wide supply voltage range and protection features make it suitable for various portable electronic devices, and it has several alternative models available for different design needs.

Word Count: 470

10個與LM4884MHX/NOPB在技術方案中應用相關的常見問題與解答

  1. What is the LM4884MHX/NOPB?

    • The LM4884MHX/NOPB is a high-performance audio amplifier designed for use in technical solutions requiring high-quality sound amplification.

  2. What is the maximum power output of the LM4884MHX/NOPB?

    • The LM4884MHX/NOPB can deliver up to 1.1W of continuous average power into an 8Ω load.

  3. What is the supply voltage range for the LM4884MHX/NOPB?

    • The LM4884MHX/NOPB operates from a wide supply voltage range of 2.7V to 5.5V.

  4. What are the typical applications of the LM4884MHX/NOPB?

    • Typical applications include portable audio devices, cell phones, PDAs, and other handheld devices.

  5. Does the LM4884MHX/NOPB require external compensation?

    • No, the LM4884MHX/NOPB does not require external compensation, which simplifies design and reduces component count.

  6. What is the input impedance of the LM4884MHX/NOPB?

    • The input impedance of the LM4884MHX/NOPB is typically 100kΩ.

  7. Can the LM4884MHX/NOPB operate in bridge-tied load (BTL) configuration?

    • Yes, the LM4884MHX/NOPB can be configured for BTL operation to drive speakers directly.

  8. What is the quiescent current consumption of the LM4884MHX/NOPB?

    • The quiescent current consumption is typically 4.6mA at a 3.6V supply.

  9. Does the LM4884MHX/NOPB include thermal shutdown protection?

    • Yes, the LM4884MHX/NOPB features thermal shutdown protection to prevent overheating.

  10. Is the LM4884MHX/NOPB available in a small package for space-constrained designs?

    • Yes, the LM4884MHX/NOPB is available in a small 8-pin VSSOP package, making it suitable for compact designs.