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AD7711A是基于△-∑技术的高分辨率24位A/D转换芯片,文中介绍了其特点和应用。并介绍了一种用AD7711A、单片机和PC构成的高精度橡胶硫化温控系统,该装置的稳态误差精度达±0.3℃。
The AD7711A is a high-resolution, 24-bit A / D conversion chip based on the delta-sigma technology. Its characteristics and applications are described in this paper. And introduced a kind of high-precision rubber vulcanization temperature control system which is composed of AD7711A, one-chip computer and PC. The steady error of this device is up to ± 0.3 ℃.