MAX9778ETI+T

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MAX9778ETI+T Application Field and Working Principle

The MAX9778ETI+T is a high-performance stereo audio amplifier used in a variety of different applications, ranging from automotive and entertainment systems to home theater setups and gaming consoles. It is an integrated current-feedback amplifier which is designed to deliver clean, concise sound even with large power drives. The MAX9778ETI+T is designed to efficiently distribute power to two stereo channels, delivering up to 36 Watts per Channel RMS. These amplifiers offer both high gain and high bandwidth for superior frequency response in both stereo and 3D surround audio systems.

Features

The MAX9778ETI+T offers standard features such as low start-up currents, low THD+, low noise, low out-of-band noise, and high input impedance. This makes it an excellent choice for audio applications that require high quality output without sacrificing low noise performance. These features combined with its low power consumption and high power efficiency make it a reliable and efficient choice for many audio applications.The MAX9778ETI+T also features an independent voltage-controlled amplifier (IVA) function. This allows for greater precision in volume and balance control, and offers an improved dynamic range compared to systems using only traditional volume and balance controls. In addition, this feature allows the amplifier to be used in situations where loudness control to adjust listener sensitivity is desired.The amplifier also includes comprehensive protection circuitry. These are designed to protect output transistors from overheating and potential damage, resulting in improved reliability and durability for your audio system.

Working Principle

The MAX9778ETI+T is based on the concept of a current-feedback amplifier. This type of amplifier is unique in that it allows for high gain, wide bandwidth, and high output power.The amplifier utilizes a differential input stage consisting of two N-channel MOSFETs with opposite body diodes. An output amplifier follows the input stage, which provides low noise, wide bandwidth, and increased dynamic range.The amplifier also uses a bipolar output stage utilizing current-feedback technology. This ensures a wide bandwidth and the high output power desired in audio applications.The combination of current-feedback technology and a bipolar output stage allows the MAX9778ETI+T to deliver incredible sound quality at high levels of power and with low noise.

Conclusion

The MAX9778ETI+T is a high-performance stereo audio amplifier designed for use in a variety of applications. Its high gain, wide bandwidth and low noise characteristics make it an excellent choice for delivering superior audio quality. The combination of current-feedback technology and bipolar output stage allows for high power output with low noise, making this amplifier a great choice for audio applications requiring high levels of performance and reliability.

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