[参考译文] TMS320F280025C：寄生电容 ADC

https://e2e.ti.com/support/microcontrollers/c2000-microcontrollers-group/c2000/f/c2000-microcontrollers-forum/1056605/tms320f280025c-parasitic-capacitance-adc

您好！

我对配置 ADC 有疑问， 为了确定 ACQPS 的最小值，对于每个通道的 CP 容量，必须考虑哪个值？ 以确定 S+H 窗口充电电容器。

比较器被禁用/启用或者... ？

ADC 通道                                      CP (pF)
比较器                           禁用           比较器使能
ADCINA0/ADCINC15                         3.3.                        15.8.
ADCINA1                                  2.4                        4.9
ADCINA2/ADCINC9                          2.9.                        5.4.
ADCINA3/ADCINC5 (1)                       71.4                       73.9.
ADCINA4/ADCINC14                         4.5.                         7.
ADCINA5/ADCINC2                          2.7.                         5.2.
ADCINA6                                  2.6.                         5.1.
ADCINA7/ADCINC3                          4.2.                         6.7.
ADCINA8/ADCINC11                         4.5.                         7.
ADCINA9/ADCINC8                          3.4.                         5.9.
ADCINA10/ADCINC10                        2.9.                         5.4.
ADCINA11/ADCINC0                         2.9.                         5.4.
ADCINA12/ADCINC1                         4.7.                         7.2.
ADCINA14/ADCINC4                         2.5.                         5.
ADCINA15/ADCINC7                         3.3.                         5.8
ADCINC6                                  2.9.                         5.4.

谢谢、

Damien