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如何修改运放的压摆率使输出按照一定斜率变化

运放接成单位增益模式,输入信号是阶跃变化的,如何让输出按照一定斜率上升到最终电压呢?这个斜率是可编程的。比如,设置斜率是1V/us,当输入从0到5V时,输出经过5us上升到5V,此时输入再升到6V,输出经过1us后达到6v。(输入是一个DAC)。

有没有设么办法修改运放的压摆率?