MAX9736AETJ/V+T

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Audio amplifiers provide the necessary increase in signal level required to make a practical audio system. The MAX9736AETJ/V+T is a low-power stereo audio power amplifier designed for use in portable and battery-powered applications. This device combines four low-power audio amplifiers with a Charge Pump to provide a total of 2.7W of output power (1.35W per channel), enabling very high quality audio applications. The maximum output power of the MAX9736AETJ/V+T is 2.7W, and the total gain is adjustable from 17dB to 29dB.

The working principle of the MAX9736AETJ/V+T involves the use of two audio amplifiers interconnected in different ways to produce the desired output-power level. The device has four independent, low-power audio amplifiers, which can be configured in either of two ways-either in series, or in parallel.

When configured in series, each of the four amplifiers performs half of the total power output and the total gain is 17dB. This configuration is used when low-voltage, low-power supplies are used, in order to maximise efficiency and reduce distortion.

When configured in parallel, the maximum output power of the MAX9736AETJ/V+T is achieved with a total gain of 29dB. This configuration is used when high-voltage, high-power supplies are used, in order to maximise output power.

The MAX9736AETJ/V+T also utilises a charge pump to provide power for audio-processing circuitry, such as signal processing and power management. The charge pump is used to generate an inverted signal, which is then used to provide a regulated voltage of -2.5V when the device is powered from a battery. This inverted signal is also used to drive signal-conditioning circuitry, such as an analog-to-digital converter.

The MAX9736AETJ/V+T is a versatile and low-power audio power amplifier, suitable for use in a wide variety of applications. It is ideal for portable consumer electronic devices, such as MP3 players, portable speakers, and cell phones. It can also be used in automotive applications, due to its low quiescent current and high efficiency, as well as in professional audio applications, due to its high power output and adjustable gain.

To summarise, the MAX9736AETJ/V+T is a low-power audio amplifier that can be configured in either series or parallel. It has four low-power independent amplifiers, with a total gain that can be adjusted from 17dB to 29dB. It also utilises a charge pump to provide power for audio-processing circuitry and to generate an inverted signal. This makes it ideal for portable consumer electronic devices, automotive applications, and professional audio applications.

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