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LM4905LD

LM4905LD

Manufacturer No:

LM4905LD

Manufacturer:

National Semiconductor

Description:

AUDIO AMPLIFIER

Datasheet:

Datasheet

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LM4905LD Specifications

  • Type
    Parameter
  • Package / Case
    8-WFDFN Exposed Pad
  • Supplier Device Package
    8-WSON (3x3)
  • 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
    1.07W x 1 @ 8Ohm
  • Output Type
    1-Channel (Mono)
  • Type
    Class AB
  • Packaging
    Bulk
  • Product Status
    Active
  • Series
    Boomer®
The LM4905LD is a low voltage 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 LM4905LD are:Advantages: 1. Low voltage operation: The LM4905LD operates at low voltage levels, typically between 2.7V and 5.5V. This makes it suitable for battery-powered devices and portable applications.2. Small package size: The chip comes in a small package, such as the 8-pin SOIC (Small Outline Integrated Circuit) package. This compact size allows for easy integration into space-constrained designs.3. Low quiescent current: The LM4905LD has a low quiescent current, which helps in reducing power consumption and extending battery life in portable devices.4. High output power: Despite its small size and low voltage operation, the LM4905LD can deliver a significant amount of output power, typically up to 1W. This makes it suitable for driving small speakers or headphones.Application scenarios: 1. Portable audio devices: The LM4905LD is commonly used in portable audio devices like MP3 players, smartphones, tablets, and portable gaming consoles. It can amplify the audio signals to drive small speakers or headphones, providing a better audio experience.2. Battery-powered applications: Due to its low voltage operation and low quiescent current, the LM4905LD is well-suited for battery-powered applications. It can be used in devices like wireless headphones, Bluetooth speakers, and wearable devices, where power efficiency is crucial.3. Consumer electronics: The chip can be used in various consumer electronics applications, such as TVs, set-top boxes, DVD players, and multimedia systems. It can amplify the audio signals from these devices to drive speakers or headphones, enhancing the audio quality.4. Automotive audio systems: The LM4905LD can also find applications in automotive audio systems. It can be used to amplify audio signals from car radios, CD players, or other audio sources, driving speakers in the car's audio system.Overall, the LM4905LD offers advantages like low voltage operation, small package size, low quiescent current, and high output power, making it suitable for a range of applications in portable devices, consumer electronics, battery-powered devices, and automotive audio systems.
LM4905LD Relevant information