LM4873MT/NOPB

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The LM4873MT/NOPB is an integrated audio amplifier that is designed to amplify and deliver low power audio signals. It is commonly used in various audio applications such as headphone, headset and speaker amplifiers, portable audio equipment, and computer audio systems. It functions by increasing the voltage or power of an audio signal to drive small speakers or headphones.

Application Field of LM4873MT/NOPB

Headphones/headsets: The LM4873MT/NOPB can be used to drive most 2- to 3-channel headphone or headset amplifiers. It provides a constant high-power output level, which helps deliver undistorted audio signals, even at maximum volume.

Portable audio equipment: This integrated audio amplifier is typically used in various portable audio equipment such as MP3 players, car audio systems, and portable CD players. It helps amplify the sound output and deliver clear and accurate audio signals.

Computer audio systems: This integrated audio amplifier is also commonly used in personal computer systems. It can help improve the sound quality of audio recordings and gaming audio and delivers a more realistic and enjoyable audio experience.

Working Principle of LM4873MT/NOPB

The LM4873MT/NOPB audio amplifier makes use of a two-stage Class-D amplifier module, which delivers a high-quality audio output signal. The amplifier is capable of providing a fairly high power output of up to 2.2W per channel. It also has a low distortion feature, which keeps the audio signal distortion-free even when used at maximum power.

The LM4873MT/NOPB features integrated power supply regulation and protection circuitry, which helps to protect the amplifier against external power supply noise. It also features an advanced feedback system, which detects and corrects signal errors to deliver an accurate audio output signal.

The LM4873MT/NOPB also features an integrated low-pass filter that helps filter out any higher frequency noise. This helps to improve signal fidelity and reduce unwanted signal noise. In addition to this, it also has an integrated ground-sense detector, which helps to protect the amplifier against shorts, spikes, and other signal anomalies.

Conclusion

The LM4873MT/NOPB is an integrated audio amplifier that offers a wide range of applications. It is well-suited for use in audio devices such as headphones, headsets and speakers, as well as various portable audio equipment and computer audio systems. It features a two-stage Class-D amplifier module and integrated power supply regulation and protection circuitry, which helps to provide a distortion-free and accurate audio signal.

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