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LM4857GR

LM4857GR

Manufacturer No:

LM4857GR

Manufacturer:

National Semiconductor

Description:

CONSUMER CIRCUIT, PBGA49

Datasheet:

Datasheet

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LM4857GR Specifications

  • Type
    Parameter
  • Package / Case
    49-TFBGA, CSPBGA
  • Supplier Device Package
    49-CSBGA (4x4)
  • Operating Temperature
    -40°C ~ 85°C (TA)
  • Mounting Type
    Surface Mount
  • Features
    3D, Depop, I²C, Mute, Shutdown, Thermal Protection, Volume Control
  • Voltage - Supply
    2.7V ~ 5.5V
  • Max Output Power x Channels @ Load
    1.6W x 2 @ 4Ohm; 75mW x 2 @ 32Ohm
  • Output Type
    2-Channel (Stereo) with Mono and Stereo Headphones
  • Type
    Class AB
  • Packaging
    Bulk
  • Product Status
    Obsolete
  • Series
    Boomer®
The LM4857GR is a specific model of integrated circuit (IC) chip designed for audio amplification. It offers several advantages and can be applied in various scenarios. Here are some of the advantages and application scenarios of the LM4857GR:Advantages: 1. Small form factor: The LM4857GR is a compact IC chip, making it suitable for portable and space-constrained applications. 2. Low power consumption: It operates on low power, making it energy-efficient and suitable for battery-powered devices. 3. High efficiency: The chip provides high efficiency audio amplification, ensuring optimal use of power and minimizing heat dissipation. 4. Low noise and distortion: The LM4857GR offers low noise and distortion characteristics, resulting in high-quality audio output. 5. Integrated features: It includes various integrated features like short-circuit and thermal protection, making it reliable and safe to use.Application Scenarios: 1. Mobile devices: The LM4857GR is commonly used in mobile phones, smartphones, tablets, and other portable devices to amplify audio signals for speakers or headphones. 2. Portable media players: It can be used in portable media players like MP3 players, iPods, or handheld gaming devices to enhance audio output. 3. Personal computers: The chip can be utilized in desktop or laptop computers to amplify audio signals for built-in speakers or external audio systems. 4. Automotive audio systems: The LM4857GR can be employed in car audio systems to amplify audio signals for speakers or headphones, providing enhanced audio quality. 5. Home entertainment systems: It can be used in home theater systems, soundbars, or audio receivers to amplify audio signals for speakers or headphones, delivering immersive audio experiences.These are just a few examples of the advantages and application scenarios of the LM4857GR IC chip. Its versatility and compact design make it suitable for various audio amplification needs in different electronic devices.
LM4857GR Relevant information