E-TDA7375AV

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E-TDA7375AV is an integrated audio power amplifier IC provided by STMicroelectronics. It has many outstanding properties and a wide range of application fields that make it a popular choice for audio systems. It belongs to linear amplifier audio and so in this article, we\'ll discuss its application fields and working principle.

Application fields of E-TDA7375AV

E-TDA7375AV is a very versatile audio power amplifier IC. Due to its built-in features, it can be used as an audio power amplifier in a variety of audio products such as MP3 players, portable media players, portable speakers, and car audio systems.

This IC also finds applications in personal stereos and home theaters. Its versatility and low power consumption make it suitable for energy-efficient audio systems. The audio output power of this IC is capable of driving 4Ohm speakers with a maximum output power of 5W (8Vdd).

Features of E-TDA7375AV

This IC provides many desirable features to the users. By adjusting the voltage of the Error Amplifier bias DAC, the output noise can be minimized. Similarly, the low drop-out regulator and the mute/stand by function allow users to control the idle current of the IC and stand by the audio system when required. Its built-in thermal protection feature also allows the IC to avoid any damage due to thermal fluctuations.

The timing capacitor of the device is adjustable and the E-TDA7375AV can deliver good sound quality with a low Number of External Components (NECs). The presence of two Op-amp differential pre-amplifiers also improve the sound quality.

Working Principle of E-TDA7375AV

The working principle of the E-TDA7375AV can be understood in terms of the power amplifier, pre-amplifier, error amplifier, thermal protection, and mute/standby function. All of these components work together to produce the desired audio output.

The power amplifier is responsible for amplifying the audio signal and driving the speaker. The pre-amplifier works to boost the low output of the audio source. The error amplifier is responsible for comparing the differential voltage of the Output voltage and adjusting itself to maintain a constant voltage. The mute/standby function sets the output of the IC to 0 when it is not in use. This helps save power and protect the device from thermal damage.

Finally, the thermal protection feature of the device ensures that it does not overheat, thus ensuring a constant temperature. This feature is especially useful in situations where the ambient temperature may exceed the maximum limit of the ICs.

Conclusion

In conclusion, the E-TDA7375AV is an audio power amplifier IC from STMicroelectronics. It is widely used in audio systems, personal stereos, and home theaters due to its low power consumption and versatility. This IC finds its use in a number of audio systems due to its outstanding features and working principle.

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