我们的产品最近也遇到了这个超出3.8V 后,ADC1256输出改变单调性的问题。
在datasheet里对 buffer on 输入的描述是:
“With the buffer enabled, the voltage on the analog inputs with respect to ground (listed in the Electrical Characteristics as Absolute Input Voltage) must remain between AGND and…
Other Parts Discussed in Thread: ADS1256 请注意,本文内容源自机器翻译,可能存在语法或其它翻译错误,仅供参考。如需获取准确内容,请参阅链接中的英语原文或自行翻译。 https://e2e.ti.com/support/data-converters-group/data-converters/f/data-converters-forum/1310128/ads1256-what-s-the-relationship-between-avdd-and-vref …