TPA4860DRG4

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The TPA4860DRG4 is a low volumetric distortion, digital input class-D audio power amplifier that is used in a wide range of applications, including automotive audio systems and professional audio. It is an efficient, low power amplifier offering a high output power of up to 60 W with low output distortion.

Introduction

The TPA4860DRG4 is a 4-channel class-D audio power amplifier, which is built using advanced technologies and algorithms to deliver high-fidelity sound reproduction. This component operates from a single 3.5V to 5.5V supply and offers power output of up to 60W with low harmonic distortion. It integrates protection features such as under-voltage lockout, short circuit protection, temperature monitoring, and over current protection. This component features integrated ESD protection and thermal overload protection, allowing it to be used with confidence in automotive and other challenging environments. The TPA4860DRG4 is packaged in an 8-pin SOIC package.

Application Fields

The TPA4860DRG4 is suitable for use in a wide range of applications that require powerful and low distortion audio playback. These include automotive audio systems and professional audio equipment, such as powered speaker systems, karaoke systems, and multi-room audio playback systems. In addition, this component can be used in portable devices such as smartphone docks, Bluetooth speakers, and portable media players. The TPA4860DRG4 can also be used in portable medical device applications such as blood pressure monitors and hearing aids.

Working Principle

The TPA4860DRG4 is a class-D audio power amplifier that uses pulse width modulation (PWM) technology to switch the output transistors between full on and full off states at frequencies in the range of 400 kHz to 900 kHz. This switching technique is much more efficient than the traditional linear amplifiers, as it results in much lower power dissipation. The electrical performance of the amplifier is further improved by the integrated boost converters, which reduce the output ripple, minimize the power consumption and improve thermal stability. The TPA4860DRG4 uses a combination of software, digital signal processing techniques and sophisticated circuitry to provide significantly low harmonic distortion compared to conventional linear amplifiers. The output transistors are also optimized for low thermal resistance, allowing efficient energy transfer from the amplifier to the speaker.

Conclusion

The TPA4860DRG4 is a highly efficient digital input class-D audio power amplifier that offers high power output with low distortion. This component is suited for a wide range of applications including automotive audio systems and professional audio. The TPA4860DRG4 is a highly integrated device that features advanced technologies such as switched-mode power conversion, digital signal processing, and sophisticated protection features. These features make it suitable for use in challenging environments such as automotive audio systems. In addition, this amplifier combines efficiency and low distortion, allowing it to be used in applications requiring high-fidelity sound reproduction.

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