TI中文支持网Part Number:FDC2214
How to set the differential input and single ended input of FDC2214
Amy Luo：
Hi ,
Single-ended and differential configuration instructions are available in the datasheet 10.1.1 Sensor Configuration section.
Let me know if you have any more questions.
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?? ?：
In the differential sensor configuration in Figure 55, one conductive plate is connected to IN0A, and a second conductive plate is connected to IN0B. Together, they form a variable capacitor. When using an single-ended sensor configuration, set CHx_FIN_SEL to b10 (divide by 2).This is explained in the file, but I didn't see how to set it to differential input
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Amy Luo：
没明白您的问题，您可以使用中文重新表达吗
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?? ?：
就是想问一i下 FDC2214中差分输入怎么输入因为在数据手册中是这样说的In the differential sensor configuration in Figure 55, one conductive plate is connected to IN0A, and a second conductive plate is connected to IN0B. Together, they form a variable capacitor. When using an single-ended sensor configuration, set CHx_FIN_SEL to b10 (divide by 2).
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Amy Luo：
我还是不明白您的问题，Figure 55与数据手册描述有什么不一致吗？看您的描述好像是觉着图片与文字描述不一致？
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?? ?：
没有 我就想知道 如果用差分输入的话 ，怎么设置FDC2214还有怎么将通道值转换为电容值
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Amy Luo：
差分输入的话，是由上面截图 图55所示的传感器配置决定的，而不是寄存器设置，注意差分输入时，寄存器CHx_FIN_SEL 配置与单端有所不同：
?? ? said:怎么将通道值转换为电容值
通过下面公式：
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?? ?：
电感单位和频率单位计算出的电容单位是什么谢谢您
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Amy Luo：
电感单位是H；
频率单位是HZ；
电容单位是F；
