E-TDA7562

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E-TDA7562 is an integrated audio power amplifier IC. It is widely used in portable audio, home and car audio applications. The device is E-TDA7562 integrated audio power amplifier developed by STMicroelectronics, especially suitable for medium power class audio amplification applications. This integrated amplifier can offer a power efficiency greater than 90%, allowing the user to reduce energy costs.

E-TDA7562 is a two-channel audio power amplifier with a single potentiometer. The device is designed for high-grade audio system applications, such as car audio, home theater, multimedia, and active audio systems. The E-TDA7562 integrated amplifier offers a wide range of features such as low distortion, wide frequency response, low weight, small size, low power consumption, low noise, adjustable gain, easy-to-use and minimal external components. It also comes with a built-in watchdog function to protect against short circuits.

The working principle of the E-TDA7562 integrated amplifier is based on bipolar power transistor technology. The amplifier uses a Class-AB topology, which is suitable for medium power audio applications. In this topology, two complementary transistor pairs are used to drive the load with high efficiency. The bias of these transistors is controlled by the current source and the base-emitter voltages are balanced by the shared emitter resistance. The output voltage swing depends on the supply voltage and the total quiescent current of the amplifier.

E-TDA7562 integrated audio power amplifier is well known due its performance benefits. These include high power efficiency, low standing current, optimized circuit layout, low-noise design, and accurate current limiter for short-circuit protection. It is also extremely efficient, with minimal heat generation and power consumption at low power levels. It features adjustable gain and quick gain control with the integrated potentiometer.

In many applications, E-TDA7562 integrated audio power amplifier can be used as a line buffer. It is well suited to this application due to its low noise and wide frequency response. Its low THD, low stray capacitance and low flicker noise make it ideal for line amplifiers. Finally, the E-TDA7562 features good sound quality, low-cost, reliable operation and low power consumption, making it an ideal choice for audio applications.

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