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在采用ADS1258进行设计时候，需要±2.5V的ADC基准电压源设计，参考设计中的基准源设计精度不能满足我们需要，有没更高精度的±2.5V基准源设计参考？谢谢专家们？
Hi
可以选择REF5050之类，最高精度High-Grade: 0.05%， 见datasheet: http://www.ti.com.cn/cn/lit/ds/symlink/ref5050.pdf
电路依旧采用ADS1258中类似REF3125的电路：
