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ADS1220 用作RTD 测量 ,RTD选择 以及电源问题

Other Parts Discussed in Thread: ADS1220, TPS7A47

准备用ADS1220 做温度测量,精度在±0.2℃,那么官网上使用的是PT100,用PT1000提高精度是否可行,

另外由于外设较多,使用TPS7A4901,输出电流有点小了。最小500mA,输入电压4-28V。能否推荐一款性价比高 的又可以不用多少外设就可以稳定供给ADS1220,谢谢!

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