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【NXP】TFA9887：具有自适应声音激励器和扬声器保护音频系统
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大小:378KB |
2014-07-24
孔令双
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The TFA9887 is an audio system consisting of a high efficiency class-D audio amplifier， and embedded DSP with a sophisticated speaker-boost and protection algorithm and an intelligent DC-to-DC converter. It can safely deliver 2.65 W （RMS; THD = 1 %） output power into a 4 speaker that is nominally only rated for 0.5 W. The integrated intelligent DC-to-DC converter allows the system to deliver this power from a battery voltage of 3.6 V. The audio input interface is I2S and the control settings are communicated via an I2C-bus interface.
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