TPA3121D2PWPG4

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

TPA3121D2PWPG4 Application Field and Working Principle

TPA3121D2PWPG4 is a thermally-enhanced, Class-D audio amplifier, with a 4W per channel stereo output power. This audio amplifier is a robust and low-cost solution for consumer/portable audio applications with its cost-efficiency, high efficiency, small size and low power requirements. It is particularly suitable for audio applications such as wireless speakers, Bluetooth speakers, and gaming consoles.

Application Field

TPA3121D2PWPG4 have a high-powered 4W output per channel, with a maximum current draw of 1A, making it a powerful application for consumer and portable audio applications. This amplifiers is extremely beneficial for wireless speakers and Bluetooth speakers due to its low power requirements and small size. As the TPA3121D2PWPG4 have a low-cost operation, its efficiency is not compromised. Average power dissipation for this audio amplifier is only 1.4W for 4W output, making it an efficient solution for consumer/portable audio applications.

In addition, TPA3121D2PWPG4 provides an integrated headphone driver, allowing it to be used in gaming console applications such as Xbox, PlayStation and Nintendo. This audio amplifier provides high-power output and wide bandwidth performance with low distortion. With its low power consumption, it is ideal for gaming consoles.

Working Principle

The TPA3121D2PWPG4 amplifier is a Class-D audio amplifier which works on the principle of Pulse Width Modulation (PWM). This amplifier is designed to efficiently deliver high-power audio output with low power consumption and distortion.

The PWM principle is based on the modulation of the width of the pulsed audio signal, thereby reducing the average power dissipation. The TPA3121D2PWPG4 amplifier uses a high-frequency signal of more than 100kHz, with the signal pulses being modulated by the input audio signal. This principle is used to achieve high-performance audio amplification in the form of high-power output while maintaining low power consumption.

The class-D architecture of the TPA3121D2PWPG4 amplifier also enables the efficiency of the amplifier to be improved. It works on a push-pull arrangement in which both transistors are operated simultaneously, varying the resistance of the transistor in order to modulate the signal width. This reduces the power loss and improves the overall efficiency of the amplifier.

The TPA3121D2PWPG4 amplifier also features an integrated headphone driver which is designed to ensure that the headphone output is undistorted. In addition, this headphone driver provides low output impedance, allowing it to be used in both low and high impedance audio applications.

Conclusion

The TPA3121D2PWPG4 audio amplifier is a low-cost, robust and efficient solution for consumer/portable audio applications. Its Class-D architecture enables high-power output while keeping low power consumption and distortion. With its low average power dissipation and integrated headphone driver, the TPA3121D2PWPG4 has become an ideal audio amplifier for wireless speakers, Bluetooth speakers and gaming consoles.

The specific data is subject to PDF, and the above content is for reference