LM4991LDX/NOPB

Texas Instruments LM4991LDX/NOPB

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  • LM4991LDX/NOPB
  • Texas Instruments
  • IC AMP CLASS AB MONO 3W 8WSON
  • Linear - Amplifiers - Audio
  • LM4991LDX/NOPB Datasheet
  • 8-WDFN Exposed Pad
  • Cut Tape (CT)
  • Lead free / RoHS CompliantLead free / RoHS Compliant
  • 708
  • Spot Inventory / Athorized Dstributor / Factory Excess Stock
  • 1 year quality assurance 》
  • Click to get rates
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What is LM4991LDX/NOPB

Texas Instruments Part Number LM4991LDX/NOPB（Linear - Amplifiers - Audio）, developed and manufactured by Texas Instruments, 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.

LM4991LDX/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.

LM4991LDX/NOPB Specifications

  • Part NumberLM4991LDX/NOPB
  • CategoryLinear - Amplifiers - Audio
  • ManufacturerTexas Instruments
  • DescriptionIC AMP CLASS AB MONO 3W 8WSON
  • PackageCut Tape (CT)
  • SeriesBoomer®
  • TypeClass AB
  • FeaturesDepop, Shutdown, Thermal Protection
  • Voltage - Supply2.2V ~ 5.5V
  • Operating Temperature-40°C ~ 85°C (TA)
  • Mounting TypeSurface Mount
  • Package / Case8-WDFN Exposed Pad
  • Supplier Device Package8-WSON (4x4)
  • Output Type1-Channel (Mono)
  • Max Output Power x Channels @ Load3W x 1 @ 3Ohm

Application of LM4991LDX/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.

LM4991LDX/NOPB Datasheet

LM4991LDX/NOPB Datasheet , Cut Tape (CT),Boomer®,Class AB,Depop, Shutdown, Thermal Protection,2.2V ~ 5.5V,-40°C ~ 85°C (TA),Surface Mount,8-WDFN Exposed Pad,8-WSON (4x4),1-Channel (Mono),3W x 1 @ 3Ohm

LM4991LDX/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. 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.

  • 2. What is the signal-to-noise ratio (SNR) of an audio amplifier?

    Signal-to-noise ratio (SNR) is a measure of the ratio of the audio signal to the background noise, with higher values indicating less noise in the audio signal. A high SNR usually means clearer sound output.

  • 3. Does the audio amplifier need to match the impedance of the speakers?

    Yes, the output impedance of the audio amplifier should match the impedance of the speaker. Typically speakers have an impedance of 4Ω, 8Ω or 16Ω. Matching the impedance ensures that the amplifier delivers maximum power and the best sound quality from the speaker.

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Texas Instruments
Texas Instruments
Texas Instruments is a semiconductor company.
In 1930, Texas Instruments was founded in Dallas, Texas, USA. The company's products mainly include high-performance analog chips, digital signal processors, microcontrollers, and various connection and power management...
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