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请教,对于ADS1675和THS4503而言,我想在前端加一个1/2/5/10的PGA,请指教

Other Parts Discussed in Thread: ADS1675, THS4503, PGA207, PGA280, PGA281

对于ADS1675和THS4503而言,我想在前端加一个1/2/5/10的PGA,请指教。

我打算采用PGA207或AD8250来做这个增益可调,但有如下疑问:

1、PGA207的输出信号为单端,和THS4503连接的怎么确定参考电压?是否有建议电路。

2、如果用ADI的AD8250,能否和THS4503匹配,是否有建议电路。

那个对于THS4503更合适,谢谢