一.概述 AD572是一种完整的12位逐位比较式模拟一数字变换器,它包括一个内时钟、基准源、比较器和缓冲放大器。为了保证器件的模数特性,灵活性,使用方便,与集成电路的外形尺寸配合,价格低廉以及可靠性高等,采用了中规模数字和线性单片电路,也采用了用激光调整的高稳定度薄膜电阻网络的混合集成技术。 I. Overview The AD572 is a complete 12-bit, bit-by-bit analog-to-digital converter that includes an internal clock, a reference source, a comparator, and a buffer amplifier. In order to ensure that the modulus of the device, flexibility, ease of use, with the overall dimensions of integrated circuits, low cost and high reliability, using a large-scale digital and linear monolithic circuit, also uses a laser with high stability Thin film resistor network hybrid integration technology.