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LM4808M

LM4808M

Manufacturer No:

LM4808M

Manufacturer:

National Semiconductor

Description:

AUDIO AMPLIFIER, 0.15W, 2 CHANNE

Datasheet:

Datasheet

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LM4808M Specifications

  • Type
    Parameter
  • Package / Case
    8-SOIC (0.154", 3.90mm Width)
  • Supplier Device Package
    8-SOIC
  • Operating Temperature
    -40°C ~ 85°C (TA)
  • Mounting Type
    Surface Mount
  • Features
    -
  • Voltage - Supply
    2V ~ 5.5V
  • Max Output Power x Channels @ Load
    150mW x 2 @ 16Ohm
  • Output Type
    2-Channel (Stereo)
  • Type
    Class AB
  • Packaging
    Bulk
  • Product Status
    Active
  • Series
    Boomer®
The LM4808M is a dual audio power amplifier integrated circuit chip. It has several advantages and application scenarios, including:1. High Power Output: The LM4808M can deliver up to 1.25W of power per channel into an 8-ohm load. This high power output makes it suitable for applications where loud and clear audio is required, such as portable speakers, multimedia devices, and small audio systems.2. Low Distortion: The chip has a low total harmonic distortion (THD) of typically 0.2% at 1kHz, ensuring high-quality audio reproduction. This makes it ideal for audio applications where accurate sound reproduction is crucial, such as music playback and audio amplification in consumer electronics.3. Wide Supply Voltage Range: The LM4808M operates over a wide supply voltage range of 2.7V to 5.5V. This flexibility allows it to be used in various battery-powered devices, including smartphones, tablets, and portable audio players.4. Thermal Shutdown Protection: The chip incorporates thermal shutdown protection, which prevents it from overheating and getting damaged. This feature ensures the safety and longevity of the chip, making it suitable for applications where continuous operation is required.5. Small Package Size: The LM4808M is available in a small 8-pin mini-SOIC package, which makes it compact and easy to integrate into space-constrained designs. This makes it suitable for portable and handheld devices where size and weight are critical factors.Application scenarios for the LM4808M include:1. Portable Speakers: The high power output and low distortion of the LM4808M make it suitable for driving small speakers in portable audio devices. It can provide loud and clear sound in compact speaker enclosures.2. Headphone Amplifiers: The chip can be used to drive headphones, providing sufficient power to deliver high-quality audio to the listener. It can be integrated into portable audio players, smartphones, and other devices that require headphone amplification.3. Multimedia Devices: The LM4808M can be used in multimedia devices such as laptops, tablets, and smart TVs to amplify audio signals. It can enhance the audio experience by providing clear and powerful sound output.4. Small Audio Systems: The chip can be used in small audio systems, such as mini hi-fi systems or desktop speakers, where space is limited. Its small package size and high power output make it suitable for such applications.Overall, the LM4808M offers high-performance audio amplification in a compact package, making it suitable for a wide range of portable and consumer electronic applications.
LM4808M Relevant information