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Sigma-delta analog-to-digital converter including loop filter having components for feedback digital-to-analog converter correction
Sigma-delta analog-to-digital converter including loop filter having components for feedback digital-to-analog converter correction
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机译:包含环路滤波器的Sigma-delta模数转换器,该滤波器具有用于反馈数模转换器校正的组件
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摘要
Some embodiments include apparatus and methods using an integrator in a loop filter of a sigma-delta analog-to-digital converter (ADC), a digital-to-analog converter (DAC) located on a feedback path of the ADC, the DAC including output nodes coupled to input nodes of the integrator, and a comparator including input nodes to receive signals from output nodes of the integrator, and an output node to provide information during calibration of the DAC.
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