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LM48861TMX/NOPB

LM48861TMX/NOPB

Product Overview

  • Category: Audio Amplifier
  • Use: The LM48861TMX/NOPB is a high-performance audio amplifier designed for portable electronic devices such as smartphones, tablets, and portable media players.
  • Characteristics: It offers low power consumption, small package size, and high efficiency, making it ideal for battery-powered applications. The device also features thermal shutdown and short-circuit protection.
  • Package: The LM48861TMX/NOPB is available in a tiny 1.4mm x 1.8mm DSBGA package, making it suitable for space-constrained designs.
  • Essence: This audio amplifier provides high-quality audio output while consuming minimal power, catering to the demands of portable electronic devices.
  • Packaging/Quantity: The LM48861TMX/NOPB is typically supplied in reels with a specific quantity per reel.

Specifications

  • Power Supply Range: 2.5V to 5.5V
  • Output Power: 1.1W at 3.6V, 10% THD+N into 8Ω
  • Shutdown Current: 0.01μA (typical)
  • Total Harmonic Distortion + Noise (THD+N): 0.1% (typical) at 1kHz, 1.1W, 8Ω
  • Quiescent Current: 2.6mA (typical)

Detailed Pin Configuration

The LM48861TMX/NOPB features a compact pin configuration, including input, output, power supply, and control pins. For detailed pin configuration, please refer to the manufacturer's datasheet.

Functional Features

  • High Efficiency: The LM48861TMX/NOPB operates with high efficiency, minimizing power consumption and extending battery life in portable devices.
  • Thermal Shutdown Protection: The device incorporates thermal shutdown protection, safeguarding it from overheating and potential damage.
  • Short-Circuit Protection: It includes built-in short-circuit protection, enhancing the reliability and safety of the amplifier in various operating conditions.

Advantages and Disadvantages

Advantages

  • Compact size suitable for portable devices
  • Low power consumption
  • High efficiency
  • Thermal shutdown and short-circuit protection

Disadvantages

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

Working Principles

The LM48861TMX/NOPB utilizes advanced amplifier technology to efficiently amplify audio signals while maintaining low power consumption. It employs internal circuitry to protect against thermal overload and short-circuit conditions, ensuring reliable performance in diverse environments.

Detailed Application Field Plans

The LM48861TMX/NOPB is well-suited for a range of portable electronic devices, including: - Smartphones - Tablets - Portable media players - Wearable devices - Bluetooth speakers

Detailed and Complete Alternative Models

  • LM4863: A similar audio amplifier with higher output power
  • LM48901: An alternative option with integrated DC volume control

In conclusion, the LM48861TMX/NOPB offers a compact, efficient, and reliable audio amplification solution for portable electronic devices, catering to the demand for high-quality audio performance with minimal power consumption.

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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng LM48861TMX/NOPB trong giải pháp kỹ thuật

  1. What is the maximum power output of LM48861TMX/NOPB?
    - The maximum power output of LM48861TMX/NOPB is 1.1W per channel into 8Ω at 5V.

  2. Can LM48861TMX/NOPB operate with a single supply voltage?
    - Yes, LM48861TMX/NOPB can operate with a single supply voltage ranging from 2.7V to 5.5V.

  3. What is the typical quiescent current of LM48861TMX/NOPB?
    - The typical quiescent current of LM48861TMX/NOPB is 4mA.

  4. Does LM48861TMX/NOPB have built-in thermal shutdown protection?
    - Yes, LM48861TMX/NOPB has built-in thermal shutdown protection to prevent overheating.

  5. What is the recommended operating temperature range for LM48861TMX/NOPB?
    - The recommended operating temperature range for LM48861TMX/NOPB is -40°C to 85°C.

  6. Can LM48861TMX/NOPB be used in portable audio applications?
    - Yes, LM48861TMX/NOPB is suitable for use in portable audio applications due to its low power consumption and small package size.

  7. Does LM48861TMX/NOPB require external coupling capacitors?
    - No, LM48861TMX/NOPB does not require external coupling capacitors, which simplifies the design.

  8. What is the typical total harmonic distortion plus noise (THD+N) of LM48861TMX/NOPB?
    - The typical THD+N of LM48861TMX/NOPB is 0.1% at 1kHz and 10% of the maximum output power.

  9. Can LM48861TMX/NOPB drive headphones directly?
    - Yes, LM48861TMX/NOPB can drive headphones directly without the need for additional amplification stages.

  10. Is LM48861TMX/NOPB suitable for use in battery-powered devices?
    - Yes, LM48861TMX/NOPB is suitable for use in battery-powered devices due to its low power consumption and wide supply voltage range.