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运放在低频时频率特性是否需要考虑

Other Parts Discussed in Thread: OPA1612

OPA1612的规格书中在1kHz以内的相位减小90度,根据群延迟的概念,在1kHz以内的信号在经过运放时会出现群延迟不等的结果,是否可以认为OPA1612并不适合工作在1kHz以内。

OPA1612本身就是应用在音频模块中,确实不需要该频段的信号