SP8538 12bit 2Ch 串行A/D 8pin包装,(替代品 pin to pin 功能相同,Microchip 也有个型号,上网查就有)。
http://wenku.baidu.com/link?url=tQaOFi0WBWjM1XgXObD7WAn1TeOXrElayvClmC-M8tFFkqnfpH3b2lBc9hgAKdZ7WBKUE_iH1ptcydF086RjxFtNytP-Guz_dO9mynEoHTG
ADC0809 8bit 8ch 并行A/D 28pin包装,(资料 网上多的是)
http://wenku.baidu.com/link?url=5BVgBfOLEQWo6FbGsTw4Pc2k8xmYFGmKL_ehrOjx1BYpitwBtEKMPqRQ0DtrMGam7j76CD34CXUwy9nqUtgQHOqFCHdiW2DlviLJxLv0GaW