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Mismatch-tolerant Capacitor Array Structure for Junction-splitting SAR Analog-to-digital Conversion
Youngjoo Lee,Taehyoun Oh,In-Cheol Park 대한전자공학회 2017 Journal of semiconductor technology and science Vol.17 No.3
A new junction-splitting based SAR ADC with a redundant searching capacitor array structure in 0.13 ㎛ CMOS process to alleviate capacitor mismatch effects, is presented. The normalized average power has a factor of 0.35 to the conventional SAR ADC at 10-bit conversion accuracy. Statistical experiments show the number of missing codes resulting from the mismatch reduces by 95% for 3% unit-capacitor mismatch ratio, while keeping the conversion energy to that of the conventional JS capacitor array.
Mismatch-tolerant Capacitor Array Structure for Junction-splitting SAR Analog-to-digital Conversion
Lee, Youngjoo,Oh, Taehyoun,Park, In-Cheol The Institute of Electronics and Information Engin 2017 Journal of semiconductor technology and science Vol.17 No.3
A new junction-splitting based SAR ADC with a redundant searching capacitor array structure in $0.13{\mu}m$ CMOS process to alleviate capacitor mismatch effects, is presented. The normalized average power has a factor of 0.35 to the conventional SAR ADC at 10-bit conversion accuracy. Statistical experiments show the number of missing codes resulting from the mismatch reduces by 95% for 3% unit-capacitor mismatch ratio, while keeping the conversion energy to that of the conventional JS capacitor array.
Mismatch-tolerant Capacitor Array Structure for Junction-splitting SAR Analog-to-digital Conversion
이영주,오태현,박인철 대한전자공학회 2017 Journal of semiconductor technology and science Vol.17 No.3
A new junction-splitting based SAR ADC with a redundant searching capacitor array structure in 0.13 μm CMOS process to alleviate capacitor mismatch effects, is presented. The normalized average power has a factor of 0.35 to the conventional SAR ADC at 10-bit conversion accuracy. Statistical experiments show the number of missing codes resulting from the mismatch reduces by 95% for 3% unit-capacitor mismatch ratio, while keeping the conversion energy to that of the conventional JS capacitor array.