39.2 FEATURES
The ADC & Touch Screen interface includes the following features:
􀁺 Resolution: 10-bit/12-bit
􀁺 Differential Nonlinearity: ± 2.0 LSB
􀁺 Integral Nonlinearity: ± 4.0 LSB
􀁺 Maximum Conversion Rate: 1MSPS
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不过如果让我来设计的话,我会用专用AD芯片,不用自带的。这样的好处是,以后换个平台,还能继续用。而且可靠行更高。
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