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AD771x 24位 ΣΔ A D转换器在低频,高精度工业传

  • 资源大小:168
  • 上传时间:2021-09-20
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  • 资源积分:1积分
  • 标      签: A D 工业 转换器

资 源 简 介

The AD771x Series is a family of ADCs that are designedspecifically for low frequency, high accuracy industrialtransducer applications. Figure 1 shows a block diagramof one of these devices. The analog front end, which insome cases also includes excitation sources for sensors,accepts low level signals that can be amplified by theinternal programmable gain amplifier before beingapplied to a sigma-delta modulator. The pulse streamappearing at the output of this modulator is applied to adigital filter which produces a low-pass filtered, highresolution, serial output.
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