第20章：模拟成分转换器........................................................................................................................................................................................................................................................................................................................................................................................................................................................................... ................................................................................... 633 20.4 Sample and Hold.................................................................................... 634 20.5 Real Parts............................................................................................... 636 20.6 Microprocessor Interfacing ..................................................................... 637 20.7时钟接口......................................................................................................................................................................................................................................................................................... 643 20.8串行接口............................................................................................................................. ADC ................................................................................................................................................................................................................................................................................................................................................................................................. 653 20.14 Design Checklist .................................................................................... 655