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LM4990LD

LM4990LD

Manufacturer No:

LM4990LD

Manufacturer:

National Semiconductor

Description:

AUDIO AMPLIFIER, 2W, 1 CHANNEL(S

Datasheet:

Datasheet

Delivery:

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LM4990LD 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
    -
  • Voltage - Supply
    2.2V ~ 5.5V
  • Max Output Power x Channels @ Load
    2W x 1 @ 4Ohm
  • Output Type
    1-Channel (Mono)
  • Type
    Class AB
  • Packaging
    Bulk
  • Product Status
    Active
  • Series
    Boomer®
The LM4990LD is a high-performance audio power amplifier integrated circuit chip. It offers several advantages and can be applied in various scenarios. Some of the advantages and application scenarios of the LM4990LD are:Advantages: 1. High Performance: The LM4990LD provides high-quality audio amplification with low distortion and noise, ensuring excellent audio reproduction. 2. Wide Supply Voltage Range: It can operate with a wide range of supply voltages, typically from 2.7V to 5.5V, making it suitable for various portable and battery-powered applications. 3. Low Quiescent Current: The chip has a low quiescent current, which helps in conserving power and extending battery life in portable devices. 4. Thermal Shutdown Protection: It includes thermal shutdown protection, which prevents the chip from overheating and getting damaged during prolonged high-power operation. 5. Short-Circuit and Overload Protection: The LM4990LD has built-in short-circuit and overload protection, safeguarding the chip and connected speakers from damage in case of faults.Application Scenarios: 1. Portable Audio Devices: The LM4990LD is commonly used in portable audio devices like smartphones, tablets, MP3 players, and portable speakers. Its low power consumption and small form factor make it ideal for such applications. 2. Headphone Amplifiers: The chip can be used to design high-quality headphone amplifiers, providing clean and powerful audio output for an immersive listening experience. 3. Multimedia Systems: The LM4990LD can be utilized in multimedia systems, such as laptops, desktop computers, and gaming consoles, to enhance the audio output quality. 4. Automotive Audio Systems: It can be employed in automotive audio systems to amplify audio signals and drive speakers in cars, motorcycles, and other vehicles. 5. Home Audio Systems: The LM4990LD can be integrated into home audio systems, including stereo receivers, amplifiers, and powered speakers, to deliver high-fidelity audio.Overall, the LM4990LD offers excellent audio performance, low power consumption, and protection features, making it suitable for a wide range of audio amplification applications.
LM4990LD Relevant information