LM4871MMX/NOPB

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The LM4871MMX/NOPB is a mono bridged audio amplifier from Linear and Amplifiers in the audio category. It is designed to provide higher power, low distortion, and high-sensitivity with a single supply. The amplifier works for loads as low as 2.2 ohms. It is capable of driving a loudspeaker with 6 watts of continuous average power. This makes it an attractive choice for a wide range of applications such as multimedia audio systems, PC speakers, portable audio applications and home entertainment systems.

The LM4871MMX/NOPB is a closed-loop, bridged mono audio power amplifier. It operates using a single supply and between a wide range of supply voltages: 4V to 60V. Its low noise and low distortion design enable it to deliver a higher quality sound. It is also optimized for low-power consumption. In addition, it has a high current capability allowing it to drive difficult loads with minimal THD (Total Harmonic Distortion).

The LM4871MMX/NOPB\'s low distortion, high efficiency, and high sensitivity makes it an ideal choice for many applications. It is ideal for multimedia audio systems, PC speakers and portable audio applications, provides excellent performance while consuming very low levels of power. In addition, it can be used in home entertainment systems where high power and low distortion are desired. It is also suitable for applications such as active loudspeaker systems for installations in homes, auditoriums and establishments.

The LM4871MMX/NOPB amplifier works by receiving a signal from a preamplifier and transforming it into a high-power output. The amplifier has an input buffer stage that provides a high input impedance to reduce the load on the preamplifier, and an input gain network for volume control. It also has a differential voltage gain stage and a power output stage.

The LM4871MMX/NOPB\'s output stage consists of two H-bridges and four output transistors. The H-bridges use alternation pulses to drive the output transistors through a maximum peak current of 12A. This allows the amplifier to achieve an output voltage up to 42V and a continuous average power of 6W. The output transistors also have a low impedance which helps reduce the unwanted feedback generated by the speaker voice coil. In addition, the output transistors are safely protected by the amplifier through a dedicated thermal shutdown circuit.

The LM4871MMX/NOPB is a high-power and high-efficiency audio amplifier that is suitable for a wide range of applications. Its low noise and low distortion performance, combined with its high current capability allow it to drive difficult loads with minimal THD, making it an ideal choice for multimedia audio systems, PC speakers, portable audio applications and home entertainment systems.

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