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OPA4177和TLO84的相位裕度区别？同样电路结构，低零漂移OPA4177自激，在相位校正电路里面。
你好！
你说的是OPA4277，还是OP4177？
下图是OPA4277和TL084的幅频特性和相频特性曲线，由于坐标不一样，看不出两者的差异，但OPA4277的指标看上去不差啊！
你加个补偿电容在反馈电阻上，应该没问题了。
