es8311工作流程
    English Answer：tablets和laptops
    Introduction.
    The ES8311 is a highly integrated, low-power audio codec with a built-in Class D amplifier. It is designed for portable and battery-powered devices, such as smartphones, tablets, and laptops.
    Functional Overview.
    The ES8311 audio codec provides a complete audio solution for portable devices. It includes an analog-to-digital converter (ADC), a digital-to-analog converter (DAC), a headphone amplifier, a microphone amplifier, and a Class D amplifier. The ADC and DAC support sampling rates up to 192 kHz, and the headphone amplifier can drive headphones with impedances up to 32 ohms. The Class D amplifier can drive speakers with impedances as low as 4 ohms.
    Power Management.
    The ES8311 audio codec has a number of power management features to extend battery life. These features include:
    Low-power mode: The ES8311 can be put into a low-power mode when it is not in use. This mode reduces the power consumption of the codec to less than 1 μA.
    Power-down mode: The ES8311 can be put into a power-down mode when it is not needed. This mode reduces the power consumption of the codec to less than 0.1 μA.
    Clock gating: The ES8311 has a clock gating feature that can be used to reduce the power consumption of the codec when it is idle.
    Interface.
    The ES8311 audio codec can be interfaced with a host processor using a variety of interfaces, including:
    I2C.
    SPI.
    PCM.
    Applications.
    The ES8311 audio codec is ideal for a wide range of portable and battery-powered devices, including:
    Smartphones.
    Tablets.
    Laptops.
    Portable media players.
    Wearable devices.

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