MAX9730EBP+T

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Audio amplifiers are at the very core of any sound system. Big or small, they are available in all kinds of shapes and sizes and serve the purpose of amplifying and enhancing audio signals to the desired level. The MAX9730EBP+T is an integrated audio amplifier that is specifically designed for use in portable music players, mobile phones and other consumer audio devices. It is an 8-pin IC that integrates a stereo amplifier, temperature sensor, microcontroller core and various other features, making it an ideal choice for use in battery- or ac-operated audio applications.

The MAX9730EBP+T features an extremely low external component count and operates from a single 3.3 V supply rail. It can be powered from battery or ac sources with a peak voltage of 2 V higher than the supply rail, while providing maximum efficiency, low quiescent current and excellent thermal performance. The power rail duration (PRD) and power switch current sense (P-Sense) monitors protect the amplifier output during transients and thus prevent damage to the device.

The MAX9730EBP+T features a wide range of features, including an advanced D-type Class D amplifier, differential-input voltage converter, temperature sensor, multiple analog input ports, and an on-bridge current-sensing filter. The differential-input voltage converter is engineered to operate from both battery and ac sources, and is capable of achieving low output distortion levels. It also provides a wide dynamic range of up to 65 dB and excellent power efficiency. The temperature sensor on the chip allows for precision monitoring of the temperature conditions in the device, enabling the chip to maintain a constant temperature in its surroundings. The analog input ports provide flexibility in terms of connecting external audio sources, allowing it to be connected to microphones, line outputs, as well as phone and other audio inputs.

The MAX9730EBP+T also incorporates powerful on-bridge current sensing technologies, which allows it to accurately detect changes in the current flow between different levels of output power. The chip can then adjust the output power accordingly. The on-bridge current-sensing filter also helps reduce power dissipation in the device, increasing its efficiency and performance.

The MAX9730EBP+T is capable of providing up to 1 Watt of power and operating over a wide temperature range from -40°C to +85°C. It is also highly efficient, consuming only 63 mW of power, which makes it suitable for use in battery-operated devices with extended lifespan. The MAX9730EBP+T is also integrated with various features such as low noise, low ac quiescent current consumption, and low standby current consumption, to provide an excellent performance.

In summary, the MAX9730EBP+T is an integrated audio amplifier designed for use in portable music players, mobile phones and other battery- or ac-operated devices. Its integrated temperature sensor and current-sensing technology make it a suitable choice for these applications, while its extremely low power consumption, low distortion levels, and low external component count make it an ideal choice for use in extended lifespan devices.

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