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Sorting一颗运放

Other Parts Discussed in Thread: OPA863

Hi 

想sorting 一颗运放做测试板:要求:

1、非常高的转换速度,Slew rate 是不是可以到ps 级别? 目前手上准备用一颗OPA863, 不是太满意这个速度,~50ns;

2、Rail to Rail 的input & output; 准备供电±5V;所以要求的运放耐压得10V 以上;

3、支持Unity-gain

4、对功耗要求不高;

5、设计场景是电压跟随快速转换的信号,同时对待测信号影响尽可能小。所以希望 尽可能大的 输入阻抗和尽可能小的输入电容;