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放大器的选型

Other Parts Discussed in Thread: OPA551, OPA552, OPA454

Hi:

     输入为0~12.5V的直流模拟量,想增益放大4倍,输出0~50V;

     输入-10V~10V的直流模拟,想放大2倍,输出-20~20V;

     输入0~10V的直流模拟,想将其缩小,使其输出0~150mV;

以上输入信号均按低频处理(不需要考虑带宽),以及对于选择的运放iC的供电电压值最好是常见的。

 

Thanks