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IP명 0.3V RC-to-Digital Converter Using a Negative Charge-Pump Switch
Category Analog Application Digital
실설계면적 3㎛ X 3㎛ 공급 전압 1.2V
IP유형 Hard IP 동작속도 100MHz
검증단계 Simulation 참여공정 S28-1901
IP개요 This paper proposes a 0.3V RC(resistance and capacitance)-to-digital converter (RCDC) using a negative charge-pump switch. The proposed RCDC operates at a
subthreshold supply-voltage by using the negative charge-pump switch, which turns on a precharge PMOS switch with a negative supply-voltage. It converts resistance or capacitance to digital signals. The proposed RCDC was fabricated using a 65nm CMOS process. It achieves ENOBs of 10.6bits for the resistance
of 1kΩ-100kΩ and the capacitance of 10pF-10nF, which correspond to figure-of-merits (FoMs) of 3.03pJ/step and 2.54pJ/step, respectively, at the supply-voltage of 0.3V.
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