LM4651N/NOPB

LM4651N/NOPB is an audio amplifier which contains a low-noise, low-distortion, amplifier-controlled power stage. It is an ideal choice for developing high-performance audio systems. This amplifier can be used in a variety of applications such as multimedia, home theatre, and car audio systems.

Application Field

This amplifier has multiple features that make it suitable for different applications. It has a wide bandwith of over 10MHz and can be used in both stereo and mono amplifiers. It has a low-noise floor and high power output, with a maximum power supply voltage of 22V, enabling it to deliver high-quality sound reproduction with minimal distortion. It has an adjustable gain control, making it easy to integrate with existing systems. The amplifier is also highly reliable and is able to withstand high temperatures, making it an ideal choice for outdoor applications.

Working Principle

The LM4651N/NOPB amplifier operates on a closed-loop feedback principle. This ensures that the amplifier produces high-quality sound output and minimizes distortion. The signal is first amplified by the input stage and then feedback to the output stage, where it is amplified further. The feedback loop adjusts the output signal such that the desired signal is delivered while any undesired distortion is eliminated. The gain control of the amplifier can be adjusted to adjust the amplification of the signal and deliver different saturation levels. The amplifier also features various protection features, such as temperature protection, overload protection, and short-circuit protection. These features ultimately guarantee the reliable and durable performance of the amplifier.

Overall, the LM4651N/NOPB is an excellent choice for audio applications. It has low-noise and high-power output, adjustable gain control, and a variety of protection features. These features enable this amplifier to deliver high-quality sound reproduction and reliable performance in a variety of applications.