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LM4879MM

LM4879MM

Manufacturer No:

LM4879MM

Manufacturer:

National Semiconductor

Description:

AUDIO AMPLIFIER, 1.1W(S), 1 FUNC

Datasheet:

Datasheet

Delivery:

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LM4879MM Specifications

  • Type
    Parameter
  • Package / Case
    10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
  • Supplier Device Package
    10-VSSOP
  • Operating Temperature
    -40°C ~ 85°C (TA)
  • Mounting Type
    Surface Mount
  • Features
    Depop, Shutdown, Thermal Protection
  • Voltage - Supply
    2.2V ~ 5.5V
  • Max Output Power x Channels @ Load
    1.1W x 1 @ 8Ohm
  • Output Type
    1-Channel (Mono)
  • Type
    Class AB
  • Packaging
    Bulk
  • Product Status
    Active
  • Series
    Boomer®
The LM4879MM is a power amplifier integrated circuit chip designed for audio applications. Some of its advantages and application scenarios include:1. Small form factor: The LM4879MM is available in a small 8-pin mini small-outline package (MSOP), making it suitable for space-constrained applications.2. Low power consumption: It operates on low power supply voltages (typically 2.0V to 5.5V) and consumes minimal power, making it ideal for battery-powered devices.3. High efficiency: The chip incorporates a Class D amplifier architecture, which offers high efficiency and reduces power dissipation.4. High output power: Despite its small size, the LM4879MM can deliver significant output power (up to 1.1W) to drive small speakers or headphones.5. Wide supply voltage range: It can operate over a wide range of supply voltages, allowing flexibility in various audio systems.6. Thermal and short-circuit protection: The chip includes built-in thermal shutdown and short-circuit protection mechanisms, ensuring safe operation and preventing damage to the chip.Application scenarios:1. Portable audio devices: The LM4879MM is commonly used in portable audio devices such as smartphones, tablets, MP3 players, and portable gaming consoles to amplify audio signals and drive small speakers or headphones.2. Personal computers and laptops: It can be used in computer systems to enhance audio output quality and drive small speakers or headphones.3. Automotive audio systems: The chip can be employed in automotive audio systems to amplify audio signals and drive speakers in car audio applications.4. Home audio systems: It can be utilized in small home audio systems, such as mini speakers or multimedia speakers, to amplify audio signals and improve sound quality.5. Industrial and commercial applications: The LM4879MM can find applications in various industrial and commercial audio systems, including public address systems, intercoms, and portable audio devices used in factories or commercial establishments.Overall, the LM4879MM integrated circuit chip offers advantages such as small size, low power consumption, high efficiency, and high output power, making it suitable for a wide range of audio applications.
LM4879MM Relevant information