INPUT_A = ±3.9V (peak, max),这是音频功放芯片给出的输入值,请问是输入的波形只能是最大值为3.9V,最小值为-3.9V的这一种正弦波;还是在这个范围内都可以呢, 只要不超过这个范围就可以了?如果是最大峰峰值,那它怎么能为负值呢?
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INPUT_A = ±3.9V (peak, max),这是音频功放芯片给出的输入值,请问是输入的波形只能是最大值为3.9V,最小值为-3.9V的这一种正弦波;还是在这个范围内都可以呢, 只要不超过这个范围就可以了?如果是最大峰峰值,那它怎么能为负值呢?