Other Parts Discussed in Thread: LM3886
lm1875的频响范围是多少.
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您好,您是需要closed loop gain VS frequency的频响曲线吗?我看了下数据手册,给出了open loop gain VS frequency 曲线:
另外,就是在20Khz的频率条件下,GBP为5.5Mhz。
我们人耳能听到的音频的频率范围为20Hz~20Khz。 所以即使音频器件没有标识这个频率范围的话,通常我们所进行的频率测试包括PSRR, THD+N,基本上也是这个范围内。LM1875曲线也是在这个范围内: