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数据表:www.ti.com.cn/.../lm4766.pdf
Datasheet最后一节(Audio Power Amplifier Design,Page 17),给出了一个30W/8Ω 音频放大的设计实例,其设计要求如下:
Q1: Datasheet最后一节给出的设计方法中,其中提到了如果用Dual 30W amplifier into an 8Ω load,Iopeak会加倍,此时最好检查Power Output VS Supply Voltage图表,请问这个检查应该如何进行?
Q2: Datasheet给出的设计过程中,最后两段,关于满足带宽要求20Hz~20kHz的设计计算,一对-3dB频点5倍距离的频点,为何是下降0.17dB?能否给出计算过程?