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求这个放大器的型号

Other Parts Discussed in Thread: LM2904, TLC252, TLC279

这个是马达驱动器电流检测保护电路的,运放IC不是358,引脚功能和358一样,求高手解决,谢谢!比较信号输入0.27V,输出2.5-2.9V,电压5V供电。