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LM4840LQ/NOPB

LM4840LQ/NOPB

Manufacturer No:

LM4840LQ/NOPB

Manufacturer:

National Semiconductor

Description:

VOLUME CONTROL CIRCUIT

Datasheet:

Datasheet

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LM4840LQ/NOPB Specifications

  • Type
    Parameter
  • Package / Case
    28-FQFN Exposed Pad
  • Supplier Device Package
    28-WQFN (5x5)
  • Operating Temperature
    -40°C ~ 85°C (TA)
  • Mounting Type
    Surface Mount
  • Features
    Depop, Input Multiplexer, Mute, Shutdown, Thermal Protection, Volume Control
  • Voltage - Supply
    2.7V ~ 5.5V
  • Max Output Power x Channels @ Load
    2.2W x 2 @ 3Ohm; 95mW x 2 @ 32Ohm
  • Output Type
    2-Channel (Stereo) with Stereo Headphones
  • Type
    Class AB
  • Packaging
    Bulk
  • Product Status
    Obsolete
  • Series
    Boomer®
The LM4840LQ/NOPB is a stereo audio amplifier integrated circuit chip manufactured by Texas Instruments. It offers several advantages and can be applied in various scenarios. Here are some of its advantages and application scenarios:Advantages: 1. High Efficiency: The LM4840LQ/NOPB chip has a high efficiency of up to 90%, which means it can deliver more power to the speakers while minimizing power wastage.2. Small Package Size: The chip comes in a small 32-pin LQFP package, making it suitable for space-constrained applications.3. Low Power Consumption: It operates on low power, making it ideal for battery-powered devices such as portable speakers, headphones, and mobile devices.4. Thermal and Short Circuit Protection: The chip incorporates thermal and short circuit protection mechanisms, ensuring the safety and longevity of the device it is used in.5. Wide Supply Voltage Range: It can operate on a wide supply voltage range, typically from 2.7V to 5.5V, making it compatible with various power sources.Application Scenarios: 1. Portable Audio Devices: The LM4840LQ/NOPB chip is commonly used in portable audio devices such as MP3 players, smartphones, tablets, and portable speakers. Its low power consumption and small package size make it suitable for these applications.2. Headphones and Earphones: The chip can be used to drive headphones and earphones, providing high-quality audio output with low power consumption. It is often used in wired and wireless headphones.3. Multimedia Systems: The LM4840LQ/NOPB chip can be used in multimedia systems such as laptops, desktop computers, and gaming consoles. It provides audio amplification for the built-in speakers, enhancing the audio experience.4. Automotive Audio Systems: The chip can be integrated into automotive audio systems, providing amplification for speakers and improving the audio quality in vehicles.5. Home Audio Systems: The LM4840LQ/NOPB chip can be used in home audio systems, including stereo systems, soundbars, and home theater systems. It amplifies the audio signals and drives the speakers, delivering high-quality sound.Overall, the LM4840LQ/NOPB chip offers high efficiency, low power consumption, and small package size, making it suitable for a wide range of audio applications in various scenarios.
LM4840LQ/NOPB Relevant information