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    MAX97200应用电路
    MAX97200应用电路

    MAX97200应用电路

    首页 > 电工知识更新:2021-05-28 20:29:52主题:MAX97200应用电路 围观:

    今天小编要和大家分享的是应用电路相关信息,接下来我将从max97200 应用电路,lm4766功率放大电路-应用电路这几个方面来介绍。

    应用电路相关技术文章max97200 应用电路

    max97200 应用电路

    the max97200 is a 45mw class h headphone amplifier that runs from a single low 1.8v supply voltage and employs maxim's second-generation directdrive® technology.the max97200 features a dual mode™ internal charge pump to generate the power rails for the amplifier. the charge-pump output can be ±pvin/2 or ±pvin depending on the amplitude of the output signal. when the output voltage is low, the power-supply voltage is ±pvin/2. when the output signal demands larger output voltage, the charge pump switches modes so that a greater power-supply voltage is realized and more output power can be delivered to the load.second-generation directdrive technology improves power consumption when compared to first-generation directdrive amplifiers. the max97200 can be powered from a regulated 1.8v and have similar power consumption to a traditional directdrive amplifier that is powered from 0.9v.maxim's patented directdrive architecture uses an inverting charge pump to derive a negative voltage supply. the headphone amplifier is powered between the positive supply and the generated negative rail. this scheme allows the audio output signal to be biased about ground, eliminating the need for large dc-blocking capacitors between the amplifier output and the headphone load.low-output offset voltage provides very good click-and-pop performance both into and out of shutdown. high signal-to-noise ratio maintains system fidelity.the max97200 is available in a tiny, 12-bump wafer level packaging (wlp 1.27mm x 1.65mm) with a small, 0.4mm lead pitch and specified over the -40°c to +85°c extended temperature range. 典型工作电路

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    MAX97200应用电路

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