12位串行AD转换器MAX187的应用，MAX187是具有串行接口的AD转换器,仅有8个引脚,外围接线很少。体积小、速度快、精度高，程序源代码-12 serial AD converter MAX187 application, MAX187 serial interface with the AD converter, the only 8-pin, very little external wiring. Small size, high speed and accuracy, the pr