LM4889LD/NOPB

LM4889LD/NOPB

Manufacturer No:

LM4889LD/NOPB

Manufacturer:

National Semiconductor

Description:

AUDIO AMPLIFIER

Datasheet:

Datasheet

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LM4889LD/NOPB Specifications

  • Type
    Parameter
  • Package / Case
    10-WFDFN Exposed Pad
  • Supplier Device Package
    10-WSON (3x4)
  • 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
    1W x 1 @ 8Ohm
  • Output Type
    1-Channel (Mono)
  • Type
    Class AB
  • Packaging
    Bulk
  • Product Status
    Obsolete
  • Series
    Boomer®
The LM4889LD/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 Power Output: The LM4889LD/NOPB can deliver up to 1.1W per channel into an 8-ohm load, making it suitable for driving small to medium-sized speakers or headphones. 2. Low Distortion: It provides low total harmonic distortion (THD) and noise, ensuring high-quality audio reproduction. 3. Wide Supply Voltage Range: The chip operates from a wide supply voltage range of 2.5V to 5.5V, making it compatible with various power sources. 4. Thermal and Short Circuit Protection: It includes built-in thermal shutdown and short circuit protection mechanisms, safeguarding the chip and connected speakers from damage.Application Scenarios: 1. Portable Audio Devices: The LM4889LD/NOPB is commonly used in portable audio devices such as smartphones, tablets, MP3 players, and portable gaming consoles. It can drive the built-in speakers or provide amplified audio output for headphones. 2. Personal Computers and Laptops: It can be used in desktop computers, laptops, or all-in-one PCs to enhance the audio output quality. The chip can drive external speakers or headphones connected to the computer. 3. Home Audio Systems: The LM4889LD/NOPB can be utilized in small home audio systems, mini stereo systems, or multimedia speakers. It can amplify the audio signal from various sources like TVs, DVD players, or media players. 4. Automotive Audio Systems: The chip can be employed in automotive audio systems to amplify the audio signal for in-car speakers. It can enhance the audio quality and provide sufficient power for clear and loud sound reproduction. 5. Headphone Amplifiers: The LM4889LD/NOPB can also be used as a dedicated headphone amplifier. It can drive a wide range of headphones, providing improved audio quality and volume.These are just a few examples of the advantages and application scenarios of the LM4889LD/NOPB integrated circuit chip. Its versatility, power output, and low distortion make it suitable for various audio amplification needs.