Successive approximation register analog-to-digital converter and associated method
A Successive Approximation Register (SAR) Analog-to-digital converter (ADC) includes: a digital-to-analog converter (DAC), a comparison circuit and a logic circuit. The DAC is configured to generate a transformed voltage according to a digital signal and a reference voltage, and the digital signal is generated by a digital signal generating circuit. The comparison circuit is coupled to the DAC and configured to compare the transformed voltage and an input voltage to generate a comparison result, and further configured to receive a control signal. The logic circuit is coupled to the comparison circuit, and configured to perform a logic transform operation upon the comparison result to generate an output signal to the digital signal generating circuit and the comparison circuit. The control signal controls the comparison circuit to enable or disable the SAR ADC.
Realtek Semiconductor Corp.
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Chih-Lung Yu-Chang Shih-Hsiung Cheng-Hui
Chen Chen Huang Wu