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LM49270SQE/NOPB

LM49270SQE/NOPB

Manufacturer No:

LM49270SQE/NOPB

Manufacturer:

National Semiconductor

Description:

AUDIO AMPLIFIER, 2 FUNC, PQCC28

Datasheet:

Datasheet

Delivery:

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LM49270SQE/NOPB Specifications

  • Type
    Parameter
  • Package / Case
    28-WFQFN Exposed Pad
  • Supplier Device Package
    28-WQFN (5x5)
  • Operating Temperature
    -40°C ~ 85°C (TA)
  • Mounting Type
    Surface Mount
  • Features
    3D, Depop, I²C, Short-Circuit and Thermal Protection, Shutdown, Volume Control
  • Voltage - Supply
    2.4V ~ 5.5V
  • Max Output Power x Channels @ Load
    2.2W x 2 @ 4Ohm; 177mW x 2 @ 16Ohm
  • Output Type
    2-Channel (Stereo) with Stereo Headphones
  • Type
    Class D
  • Packaging
    Bulk
  • Product Status
    Active
  • Series
    Boomer®
The LM49270SQE/NOPB is an integrated circuit chip designed for audio applications. It is a high-performance, stereo headphone amplifier with an integrated charge pump and automatic level control (ALC) feature. Here are some advantages and application scenarios of this chip:Advantages: 1. High-quality audio output: The LM49270SQE/NOPB provides a high-quality audio output with low distortion and noise, ensuring excellent sound reproduction. 2. Integrated charge pump: The chip includes an integrated charge pump that allows it to drive headphones directly from a single supply voltage, eliminating the need for external coupling capacitors. 3. Automatic Level Control (ALC): The ALC feature automatically adjusts the audio level to maintain a consistent volume, preventing sudden volume changes and protecting the user's ears. 4. Low power consumption: The chip is designed to operate with low power consumption, making it suitable for battery-powered devices.Application scenarios: 1. Mobile devices: The LM49270SQE/NOPB is commonly used in mobile phones, smartphones, tablets, and portable media players to drive headphones or earphones. Its low power consumption and small form factor make it ideal for these applications. 2. Personal audio devices: It can be used in personal audio devices like MP3 players, portable gaming consoles, and digital audio players to provide high-quality audio output to headphones or earphones. 3. Laptop and desktop computers: The chip can be integrated into laptops and desktop computers to enhance the audio output quality for headphones or external speakers. 4. Automotive audio systems: The LM49270SQE/NOPB can be used in automotive audio systems to drive headphones or earphones for rear-seat entertainment systems or personal audio zones within the vehicle. 5. Home audio systems: It can be used in home audio systems, such as stereo receivers or amplifiers, to provide headphone amplification with high audio quality.Overall, the LM49270SQE/NOPB integrated circuit chip offers high-quality audio output, low power consumption, and various application scenarios, making it suitable for a wide range of audio devices.
LM49270SQE/NOPB Relevant information