venn_ng
Member level 5

Hi,
Let's say we have a differential amplifier for an op-amp which has a common mode feedback circuitry. Is it ok if we have same unity gain bandwidth for differential loop and CMFB loop? Can there be an issue because of interactions between two loops and their poles are closer?
Let's say we have a differential amplifier for an op-amp which has a common mode feedback circuitry. Is it ok if we have same unity gain bandwidth for differential loop and CMFB loop? Can there be an issue because of interactions between two loops and their poles are closer?