Home / Audio Amplifiers / LM4991LDX/NOPB/
LM4991LDX/NOPB

LM4991LDX/NOPB

Manufacturer No:

LM4991LDX/NOPB

Manufacturer:

National Semiconductor

Description:

LM4991 3W AUDIO POWER AMPLIFIER

Datasheet:

Datasheet

Delivery:

Payment:

Please send RFQ , we will respond immediately.

LM4991LDX/NOPB Specifications

  • Type
    Parameter
  • Package / Case
    8-WDFN Exposed Pad
  • Supplier Device Package
    8-WSON (4x4)
  • 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
    3W x 1 @ 3Ohm
  • Output Type
    1-Channel (Mono)
  • Type
    Class AB
  • Packaging
    Bulk
  • Product Status
    Active
  • Series
    Boomer®
The LM4991LDX/NOPB is a high-performance audio power amplifier integrated circuit (IC) chip designed by Texas Instruments. It offers several advantages and can be applied in various scenarios:Advantages: 1. High Output Power: The LM4991LDX/NOPB is capable of delivering up to 1.2W of output power, making it suitable for low-power audio applications. 2. Low Total Harmonic Distortion (THD): With a low THD rating, this chip provides excellent audio quality by minimizing distortion. 3. Efficient Power Management: It features a high-efficiency Class D amplifier architecture that helps minimize power consumption, making it ideal for battery-powered devices. 4. Small Form Factor: The chip comes in a small and compact package, which is useful when designing compact audio systems or other space-constrained applications. 5. Thermal and Overcurrent Protection: The LM4991LDX/NOPB includes built-in thermal shutdown and overcurrent protection mechanisms, ensuring safe and reliable operation even in demanding conditions.Application Scenarios: 1. Portable Audio Devices: The LM4991LDX/NOPB can be used in portable audio systems, such as smartphones, tablets, portable speakers, and Bluetooth headsets, to provide high-quality sound output while minimizing power consumption. 2. Headphone Amplifiers: This chip can be employed in headphone amplifiers to deliver clear and powerful audio to headphones or earphones, enhancing the listening experience. 3. Gaming Systems: It can be utilized in gaming consoles or handheld gaming devices to amplify the audio output for an immersive gaming experience. 4. Personal Computers and Laptops: The LM4991LDX/NOPB can be used in audio subsystems of PCs and laptops to enhance the audio output quality while ensuring power efficiency. 5. IoT Devices: With its low-power consumption and small form factor, this chip can be used in various Internet of Things (IoT) devices that require audio amplification, such as smart speakers, voice assistants, and connected home devices.These advantages and application scenarios highlight the versatility and benefits offered by the LM4991LDX/NOPB IC chips in audio amplification applications.
LM4991LDX/NOPB Relevant information