LM4990ITL/NOPB

National Semiconductor LM4990ITL/NOPB

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  • LM4990ITL/NOPB
  • National Semiconductor
  • LM4990 2 WATT AUDIO POWER AMPLIF
  • Linear - Amplifiers - Audio
  • LM4990ITL/NOPB Datasheet
  • 9-WFBGA, DSBGA
  • Bulk
  • Lead free / RoHS CompliantLead free / RoHS Compliant
  • 3875
  • Spot Inventory / Athorized Dstributor / Factory Excess Stock
  • 1 year quality assurance 》
  • Click to get rates
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What is LM4990ITL/NOPB

National Semiconductor Part Number LM4990ITL/NOPB（Linear - Amplifiers - Audio）, developed and manufactured by National Semiconductor, distributed globally by Jinftry. We distribute various electronic components from world-renowned brands and provide one-stop services, making us a trusted global electronic component distributor.

LM4990ITL/NOPB is one of the part numbers distributed by Jinftry, and you can learn about its specifications/configurations, package/case, Datasheet, and other information here. Electronic components are affected by supply and demand, and prices fluctuate frequently. If you have a demand, please do not hesitate to send us an RFQ or email us immediately [email protected] Please inquire about the real-time unit price, Data Code, Lead time, payment terms, and any other information you would like to know. We will do our best to provide you with a quotation and reply as soon as possible.

LM4990ITL/NOPB Specifications

  • Part NumberLM4990ITL/NOPB
  • CategoryLinear - Amplifiers - Audio
  • ManufacturerNational Semiconductor
  • DescriptionLM4990 2 WATT AUDIO POWER AMPLIF
  • PackageBulk
  • SeriesBoomer®
  • TypeClass AB
  • FeaturesDepop, Shutdown
  • Voltage - Supply2.2V ~ 5.5V
  • Operating Temperature-40°C ~ 85°C (TA)
  • Mounting TypeSurface Mount
  • Package / Case9-WFBGA, DSBGA
  • Supplier Device Package9-DSBGA
  • Output Type1-Channel (Mono)
  • Max Output Power x Channels @ Load2W x 1 @ 4Ohm

Application of LM4990ITL/NOPB

Amplifiers - Audio application field is very wide, almost covers all need amplification. In a personal sound system, it is a bridge between the sound source and the speaker, bringing a more shocking and clear hearing experience to the user. In the home theater system, the audio amplifier is responsible for amplifying the sound signal in the movie, creating an immersive sound environment and enhancing the immersion of the movie. In addition, in many fields such as car audio, stage audio, and public address systems, audio amplifiers also play an irreplaceable role.

LM4990ITL/NOPB Datasheet

LM4990ITL/NOPB Datasheet , Bulk,Boomer®,Class AB,Depop, Shutdown,2.2V ~ 5.5V,-40°C ~ 85°C (TA),Surface Mount,9-WFBGA, DSBGA,9-DSBGA,1-Channel (Mono),2W x 1 @ 4Ohm

LM4990ITL/NOPB Classification

Linear - Amplifiers - Audio

Amplifiers - Audio is a kind of can receive weak electrical signals, and the power amplifier to the level of large enough so that the driving load (usually the speaker) of the electronic device. This process involves the amplification of voltage and current to ensure that the output signal can effectively excite the speaker to vibrate and produce sound. In short, it is a device capable of significantly enhancing the power of the audio signal, which is designed to amplify the weak audio signal enough to drive output devices such as speakers and headphones, thereby significantly improving the loudness and clarity of the sound.

FAQ about Linear - Amplifiers - Audio

  • 1. What is an audio amplifier and what does it do?

    An audio amplifier is a device that amplifies an audio signal, such as music or speech, to a higher voltage or current level to drive speakers or headphones, ensuring that the sound remains clear and accurate when played at higher volumes.

  • 2. How to choose a suitable audio amplifier?

    When choosing an audio amplifier, factors such as output power, total harmonic distortion (THD), signal-to-noise ratio (SNR), efficiency, impedance matching (speaker impedance), and power consumption should be taken into consideration to ensure that it is well-matched with the speakers and audio source equipment.

  • 3. What is a Class D audio amplifier and what are its advantages?

    Class D audio amplifiers work through Pulse Width Modulation (PWM) technology and have extremely high efficiency (typically up to 90% or higher), making them suitable for use in portable audio equipment or high-efficiency sound systems. It generates less heat because it reduces energy consumption.

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National Semiconductor
National Semiconductor
On April 4, 2011, TI acquired National Semiconductor.
National Semiconductor is a well-known semiconductor company in the field of analog power management technology.
National Semiconductor was founded on May 27, 1959. Its headquarters is located in California,...
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