TPA152D

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The TPA152D is a dual-channel, low-power audio power amplifier offered by Texas Instruments. It is typically used in mobile phones as well as notebooks, netbooks, and other portable audio devices. The amplifier has several features that make it suitable for these applications, including low quiescent current, low supply voltage, and high power output. The TPA152D is a linear amplifier that is designed to handle audio signals with low noise and distortion. This makes it an ideal solution for applications where sound quality is important.

The TPA152D is a low voltage, low power amplifier that can be driven from a single or dual supply of ±4.5V to ±13.5V. The amplifier can also be driven from a dual supply of 2.7V to 6.5V. It is designed to operate from oscillator, direct drive, and ground referenced signals. The amplifier can be used with a preamplifier or line driver to provide gains from 2 to 60 dB. The TPA152D provides a low-noise and low-distortion signal path for high-quality audio and voice signals.

The TPA152D features low quiescent and sleep current, reducing power consumption and providing a longer battery life. The amplifier also features a thermal shutdown circuit, which protects the amplifier in the case of thermal overload. In addition, the amplifier has an output-short-circuit protection feature, which will turn off the amplifier if the output is short-circuited. This makes the TPA152D suitable for use in a wide range of applications.

The TPA152D operates on a differential signal, with each channel comprising of a positive and a negative signal. The signal path is based on a differential amplifier topology, with the input signal being converted to a differential signal and then amplified. The amplifier has a gain-bandwidth product of 1.2 MHz and a slew rate of 4V/μs. This provides adequate performance for audio applications in portable devices. The amplifier can also switch between two gain settings, allowing the user to adjust the signal level to the desired level.

The TPA152D is a very versatile amplifier and is suitable for a wide range of audio applications. It is particularly well suited to portable applications, offering low quiescent current, low supply voltage and good audio performance. The amplifier offers high power output, low noise and distortion, and short-circuit protection, making it an excellent choice for applications such as mobile phones, notebooks, and other portable audio devices.

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