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This paper presents an 8-bit asynchronous SAR ADC for CMOS image sensor applications in 130nm 1P4M technology. The proposed one-side merge-and-split switching effectively reduces the DAC switching energy because the reference voltage is halved. In addition, considering the bottom-plate parasitic capacitance, the proposed method can have better power efficiency compared to other methods. With 1.5V...
This paper presents a 10b 500KS/s asynchronous successive approximation register analog-to-digital converter (SAR ADC) with input range prediction DAC switching technique for low power applications. The proposed input range prediction DAC switching technique narrows down the traditional try-and-error range of the input signal to prevent unnecessary DAC switching, and the average switching energy is...
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