LM4864N

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The LM4864N is a high performance, wide bandwidth, low noise audio amplifier. It is widely used in today\'s portable audio products such as smartphones, tablets, and portable audio players. It has a variety of applications ranging from general audio amplifiers to MP3 players and other devices. The LM4864N is typically used for boost and low-power audio applications.

The LM4864N is a dual-channel audio amplifier designed to provide low-distortion, low-noise output. It has two outputs and provides a gain of up to 14 dB, a wide bandwidth of 20 kHz, and a low distortion of 0.08%. The LM4864N is able to drive higher power loads and features a low supply current of 10.5 mA. It is available in a variety of packages such as DIP-8, MSOP-8, SOIC-8, and TSSOP-8.

The LM4864N is an integrated circuit audio amplifier with an input and output. It is an active device that works by taking a small voltage and amplifying it to provide a larger voltage output. The LM4864N is a class AB amplifier and operates on a power supply of 1.5V-3.6V. The LM4864N has a built-in low-dropout voltage regulator and low-power shutdown function. It also has a built-in thermal shutdown circuit to protect it from overheating.

The LM4864N has a wide range of application fields, including home audio systems, automotive audio systems, professional audio equipment, portable personal audio systems, and notebook computers. It is ideal for boosting the volume of low-power audio sources such as mobile phones, MP3 players, and computers, and for driving headphones, speakers, and other low-power audio components. It can also be used to improve the quality of audio signals in multimedia systems, such as laptop computers and other digital devices.

The working principle of the LM4864N is a two-stage gain structure. The first stage is a differential input amplifier, which amplifies the input signal by 14 dB. The second stage is a second-order output amplifier with low distortion. This output amplifier is voltage-controlled and has a very low quiescent current of 10.5 mA. This low quiescent current and low power consumption make the LM4864N an ideal choice for portable audio applications.

In summary, the LM4864N is a dual-channel audio amplifier with an input and output, providing an excellent performance and low distortion and noise. It is a high performance, wide bandwidth, low noise audio amplifier designed for boost and low-power audio applications. Its wide application field, low power consumption, and low quiescent current make it a suitable choice for portable audio products such as smartphones and portable audio players. Additionally, its two-stage gain structure gives it a high performance in terms of output, distortion, and noise.

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