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Audio Linear - Amplifiers - TPA2014D1RGPT Application field and Working Principle

The TPA2014D1RGPT is a low-power, single-chip stereo audio amplifier designed for mobile and portable. It incorporates two separate bridges of two-channel integrated amplifiers. This amplifier is designed specifically to meet the needs of natural stereo audio applications that require low power consumption, such as automotive, portable, and audio amplification devices. In this article, we will give an overview of the application of the TPA2014D1RGPT and its working principle.

Application Field

The TPA2014D1RGPT is suitable for various mobile and portable audio applications. Its features include low power consumption, low heat dissipation, and a low quiescent current. It also has a switching SNR of >98dB and has a low total harmonic distortion of 0.001%. Due to its small size of only 2mm X 2.14mm, it is particularly suitable for space-constrained products.

The TPA2014D1RGPT is suitable for coupling amplifiers, cell phones, portable audio amplifiers, car audio amplifiers, wireless speakers, and other audio applications. It is also suitable for home theater systems, MP3 players, personal computers and other portable audio devices. It is also ideally used in applications such as gaming, home audio and industrial audio, where high power and low distortion are essential.

Working Principle

The TPA2014D1RGPT is a dual-channel integrated amplifier, which integrates two sets of power output amplifiers. Both sets are based on a bridge-tied load configuration, using a Class D push-pull operation with ultra-low quiescent current and low distortion performance. The output power can be up to 0.8W per channel and has a voltage gain of up to 3.2dB.

The TPA2014D1RGPT is composed of two integrated amplifier chips, an audio driver and four output transistors. The audio driver is a type of driver input circuit that is used to control the input signal to the integrated amplifier. It has the ability to process audio inputs, thereby controlling the amplitude and frequency of the output audio signals, providing a less distorted sound. Through the drive circuit and the two integrated amplifier chips, two full-bridge differential amplifiers are formed, which realize the push-pull operation. After that, a set of four output transistors connected in series drives the output, providing 0.8W of stereo power per channel.

Conclusion

The TPA2014D1RGPT is a single-chip stereo audio amplifier designed for mobile and portable applications. It is characterized by low power consumption, low heat dissipation, an SNR of >98dB and a total harmonic distortion of 0.001%. It is suitable for various mobile and portable audio applications, such as cell phones, portable audio amplifiers, car audio amplifiers, wireless speakers and other audio applications. The TPA2014D1RGPT is composed of two integrated amplifier chips, an audio driver and four output transistors, which together form two full-bridge differential amplifiers. Through its push-pull operation, it provides 0.8W of stereo power per channel, allowing it to be used in many audio applications where high power and low distortion are necessary.

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