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LM4905MM/NOPB

LM4905MM/NOPB

Product Overview

Category

The LM4905MM/NOPB belongs to the category of audio amplifiers.

Use

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

Characteristics

  • Low voltage operation
  • High output power
  • Small package size
  • Low power consumption

Package

The LM4905MM/NOPB comes in a miniature 8-pin MSOP package.

Essence

This amplifier is essential for enhancing the audio experience in portable electronic devices.

Packaging/Quantity

The LM4905MM/NOPB is typically packaged in reels of 2500 units.

Specifications

  • Operating Voltage: 2.7V to 5.5V
  • Output Power: 1.1W at 3.6V, 10% THD+N, 8Ω Load
  • Quiescent Current: 4mA
  • Shutdown Current: <1µA
  • Package Type: 8-Pin MSOP

Detailed Pin Configuration

  1. IN-
  2. IN+
  3. V-
  4. SHUTDOWN
  5. BYPASS
  6. GND
  7. OUT
  8. V+

Functional Features

  • Low shutdown current
  • Thermal shutdown protection
  • Short-circuit and thermal protection
  • Superior click and pop suppression

Advantages and Disadvantages

Advantages

  • Low power consumption
  • Small package size
  • High output power for its size

Disadvantages

  • Limited output power compared to larger audio amplifiers
  • Requires external components for optimal performance

Working Principles

The LM4905MM/NOPB operates by amplifying the input audio signal using an internal amplifier circuit. It is designed to provide high-quality audio output while consuming minimal power.

Detailed Application Field Plans

The LM4905MM/NOPB is suitable for use in various portable electronic devices, including: - Mobile phones - Tablets - Portable media players - Bluetooth speakers - Wearable devices

Detailed and Complete Alternative Models

Some alternative models to the LM4905MM/NOPB include: - TPA2012D2 from Texas Instruments - MAX98306 from Maxim Integrated - NJU7089 from New Japan Radio

In conclusion, the LM4905MM/NOPB is a compact and efficient audio amplifier suitable for portable electronic devices, offering high-quality audio amplification with low power consumption.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de LM4905MM/NOPB en soluciones técnicas

  1. What is the maximum input voltage for LM4905MM/NOPB?
    - The maximum input voltage for LM4905MM/NOPB is 5.5V.

  2. What is the typical output power of LM4905MM/NOPB?
    - The typical output power of LM4905MM/NOPB is 1W into 8Ω at 5V.

  3. Can LM4905MM/NOPB operate with a single supply voltage?
    - Yes, LM4905MM/NOPB can operate with a single supply voltage ranging from 2.7V to 5.5V.

  4. What is the recommended operating temperature range for LM4905MM/NOPB?
    - The recommended operating temperature range for LM4905MM/NOPB is -40°C to 85°C.

  5. Does LM4905MM/NOPB require external compensation?
    - No, LM4905MM/NOPB does not require external compensation.

  6. What is the typical quiescent current of LM4905MM/NOPB?
    - The typical quiescent current of LM4905MM/NOPB is 4.6mA.

  7. Can LM4905MM/NOPB be used in portable audio applications?
    - Yes, LM4905MM/NOPB is suitable for portable audio applications due to its low power consumption and small package size.

  8. What is the recommended output capacitor value for LM4905MM/NOPB?
    - The recommended output capacitor value for LM4905MM/NOPB is 10µF.

  9. Is LM4905MM/NOPB suitable for driving headphones?
    - Yes, LM4905MM/NOPB is designed to drive headphones and can deliver high-quality audio output.

  10. Can LM4905MM/NOPB be used in battery-powered devices?
    - Yes, LM4905MM/NOPB is well-suited for battery-powered devices due to its low power consumption and wide supply voltage range.