MAX9988ETP

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RF Misc ICs and Modules - MAX9988ETP

Introduction:The MAX9988ETP is a low-power stereo headphone amplifier, in radio frequency (RF) Miscelleaneous ICs and Modules. It was designed for consumer applications, delivering best-in-class audio performance.

Application Field:

The MAX9988ETP is primarily used in mobile devices and other consumer-audio applications. Examples include cellular phones, portable media players, portable DVD players, and other portable audio-video (AV) systems. Furthermore, it can be used for any application requiring stereo headphone amplification.

Working Principle:

The MAX9988ETP uses a two-stage audio amplifier architecture. The output stage is a differential class AB coupled-inductor filter structure provides low distortion and high efficiency. Moreover, the headphone amplifier has integrated ESD filters and is designed for a low quiescent current of 3.3 mA, making it ideal for portable applications.

Further improvements have been incorporated in the MAX9988ETP in order to reduce the power consumption while keeping the low distortion performance. These include the use of a pre-driver stage to reduce the output loading on the power amplifier, and an optimized power-on reset circuit for low power consumption.The MAX9988ETP also features flexible gain setting and shutdown control, which allow the user to adjust the volume and power down the device when it is not in use, further reducing power consumption.

Conclusion:

The MAX9988ETP is a low-power stereo headphone amplifier, designed for consumer applications, delivering best-in-class audio performance. Its two-stage architecture reduces power consumption while maintaining low distortion, and its flexible gain setting and shutdown control make it an ideal choice for portable audio-video applications.

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