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LM4938MH/NOPB

LM4938MH/NOPB

Manufacturer No:

LM4938MH/NOPB

Manufacturer:

Texas Instruments

Description:

LM4938 STEREO 2W AUDIO POWER AMP

Datasheet:

Datasheet

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LM4938MH/NOPB Specifications

  • Type
    Parameter
  • Package / Case
    28-PowerTSSOP (0.173", 4.40mm Width)
  • Supplier Device Package
    28-HTSSOP
  • Operating Temperature
    -20°C ~ 85°C (TA)
  • Mounting Type
    Surface Mount
  • Features
    Bass Boost, Depop, Mute, Shutdown, Thermal Protection, Volume Control
  • Voltage - Supply
    2.7V ~ 5.5V
  • Max Output Power x Channels @ Load
    2.2W x 2 @ 3Ohm; 92mW x 2 @ 32Ohm
  • Output Type
    2-Channel (Stereo) with Stereo Headphones
  • Type
    Class AB
  • Packaging
    Bulk
  • Product Status
    Active
  • Series
    Boomer®
The LM4938MH/NOPB is an integrated circuit chip designed for audio applications. It offers several advantages and can be used in various scenarios:1. High-Quality Audio: The LM4938MH/NOPB provides high-quality audio output with low distortion and noise. It supports stereo audio playback and recording, making it suitable for applications that require clear and immersive sound.2. Integrated Functions: This chip integrates multiple audio functions into a single package, including a stereo headphone amplifier, stereo line outputs, and a mono speaker amplifier. It eliminates the need for multiple discrete components, reducing the overall system cost and complexity.3. Power Efficiency: The LM4938MH/NOPB is designed to operate with low power consumption, making it suitable for battery-powered devices such as smartphones, tablets, portable media players, and other portable audio devices.4. Flexible Configuration: The chip offers various configuration options, allowing designers to customize the audio settings according to their requirements. It supports different gain levels, input/output configurations, and control options, providing flexibility in system design.5. Protection Features: The LM4938MH/NOPB includes built-in protection features such as thermal shutdown, short-circuit protection, and overvoltage protection. These features ensure the safety and reliability of the audio system, preventing damage to the chip and connected components.Application Scenarios:1. Mobile Devices: The LM4938MH/NOPB is commonly used in mobile phones, smartphones, and tablets to provide high-quality audio output for multimedia applications, gaming, and voice communication.2. Portable Media Players: It can be used in portable media players, such as MP3 players and digital audio players, to enhance the audio playback experience.3. Headphone Amplifiers: The chip's integrated stereo headphone amplifier is suitable for applications that require driving high-quality headphones, such as professional audio equipment, gaming headsets, and personal audio devices.4. Audio Recording Devices: The LM4938MH/NOPB can be used in audio recording devices, such as voice recorders and dictation devices, to provide high-quality audio input and output capabilities.5. Automotive Audio Systems: It can be utilized in automotive audio systems to drive speakers and headphones, providing high-quality audio playback for in-car entertainment.Overall, the LM4938MH/NOPB integrated circuit chip offers high-quality audio performance, power efficiency, and flexibility, making it suitable for a wide range of audio applications in various industries.
LM4938MH/NOPB Relevant information