本文是采样保持芯片AD781和AD783的芯片资料，该芯片在信号的采集以及AD转换具有重要的用途-This is a sample and hold chip AD781 chip data, the chip in the signal acquisition and has an important use AD Conversion

基于ADC0809的多路模数转换电路的设计,采用ADC0809对多路模拟信号进行采集转换，单片机对数据进行处理，发出控制信息。-Design of AD Circuit of Multichannel Based on ADC0809