MAX98400BETG+

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The MAX98400BETG+ is a low-power audio amplifier solution that enables designers to deliver up to 50W of continuous (RMS) power into a 4Ω load with less than 10% THD+N. The device integrates a power stage, pre-amplifier, automatic gain control (AGC) and a DC servo in a space-saving 4mm × 4mm wafer level chip scale package (WLCS). This highly integrated device is ideal for low-power audio amplification applications such as portable speakers, soundbars, televisions and sound systems, achieving high efficiency and excellent audio performance.

Application Field

The MAX98400BETG+ is ideal for low-power audio amplification applications such as portable speakers, soundbars, televisions and sound systems. Because it can deliver up to 50W of continuous (RMS) power into a 4Ω load with less than 10% THD+N, it offers superior audio performance compared to other amplifier solutions on the market. It also offers increased power efficiency and reduced heat generation, which is often essential for portable speaker applications. In addition, because it integrates both a power stage, pre-amplifier, automatic gain control (AGC) and DC servo, the MAX98400BETG+ offers a much simpler design than traditional amplifier solutions. This makes it ideal for applications in which space and cost need to be kept to a minimum. Furthermore, the integration of DC servo eliminates the need for the external bias resistors and eliminates the need for AC coupling, resulting in an overall simpler solution with fewer components.

Working Principle

The MAX98400BETG+ audio amplifier solution works by taking an analog audio signal and amplifying it to a level where a speaker can convert it into sound. The device integrates a power stage, pre-amplifier, automatic gain control (AGC) and a DC servo in a space-saving 4mm x 4mm wafer level chip scale package (WLCS). The power stage amplifies the audio signal to the desired level, while the pre-amplifier helps to condition and control the signal. The AGC ensures that the power stage achieves the desired output level without distortion or temperature-generated noise. The DC servo eliminates the need for AC coupling and external bias resistors, resulting in an overall simpler solution with fewer components.

In addition, the MAX98400BETG+ is designed for low-power audio applications, meaning that it is designed to consume less power and generate less heat compared to traditional amplifier solutions. This helps to maximize the device’s efficiency and ensure superior audio performance. Additionally, the device also includes an integrated Power-on Reset (POR) circuit to ensure reliable operation in all conditions.

Conclusion

The MAX98400BETG+ audio amplifier solution offers superior audio performance, increased power efficiency and reduced heat generation, making it ideal for low-power audio applications such as portable speakers, soundbars, televisions and sound systems. The device integrates a power stage, pre-amplifier, automatic gain control (AGC) and a DC servo in a space-saving 4mm x 4mm wafer level chip scale package (WLCS), helping to simplify the design process and eliminate the need for AC coupling and external bias resistors. Additionally, the device also includes an integrated Power-on Reset (POR) circuit to ensure reliable operation. By combining superior audio performance with increased power efficiency, the MAX98400BETG+ is the perfect solution for low-power audio applications.

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