AN7511

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The AN7511 is a high performance, low distortion audio power amplifier manufactured by Panasonic. It is best used in audio applications that require amplification of a low-level signal to a higher-level one, or to drive low or medium impedance loudspeakers. The AN7511 contains two transistors, one NPN and one PNP, which work together, employing Class AB push-pull output power amplifying and incorporating a dual differential input stage.

The dual differential input stage of the AN7511 ensures that low level signals up to 6.3V can be amplified without the usual distortion created by single-ended amplifiers. It also allows the amplifier to be used in some applications, such as car audio, where ground loops can cause trouble. The input signal is split into two opposite phases which are separated out by the differential amplifiers, then combined out of phase at the output stage. This allows the amplifiers to utilize the full signal swing and reduces the dangerous cross-talk which can occur when using single-ended amplifiers.

The output stages of the AN7511 use Class AB push-pull amplifying. This is an efficient system of amplification which minimizes crossover distortion when amplifying low power signals and reduces power consumption by allowing the transistors to be on for only a part of the signal\'s cycle. This method is also used when driving low or medium impedance loudspeakers, ensuring the lowest levels of distortion and highest levels of output power.

Due to its high performance, low distortion and wide range of features, the AN7511 is an ideal choice for applications such as automotive audio systems, surround sound systems, home theatre receivers and multimedia sound systems. It is also ideal for applications where long cables are used, as it is capable of amplifying low level signals and maintaining sound quality over long distances.

Overall, the AN7511 is a versatile, high performance audio power amplifier that is suitable for a wide range of applications in the linear audio amplifier field. It is capable of amplifying low level signals while boasting an impressive level of sound quality, making it an excellent choice for many different types of audio system.

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