老师们,请教一个问题 。比如我们要将一批次的传感器信号满量程放大到5V,但是传感器的满量程输出为50mv±5mv ,如果使用仪表放大器,比如:INA126 等可以通过外置可调电阻调节增益比如100倍,99倍 ,101倍 等连续的,如果使用带程控放大器的ADC比如:ADS1220等 ,它的放大倍数不是连续的,那我应该如何操作比如ADS1220达到我想要的数字量送给单片机 ?
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