Title: A 10-bit 80-MS/s opamp-sharing pipelined ADC with a switch-embedded dual-input MDAC
Abstract: A 10-bit 80-MS/s opamp-sharing pipelined ADC is implemented in a 0.18-μm CMOS.An opampsharing MDAC with a switch-embedded dual-input opamp is proposed to eliminate the non-resetting and successive-stage crosstalk problems observed in the conventional opamp-sharing technique.The ADC achieves a peak SNDR of 60.1 dB(ENOB = 9.69 bits) and a peak SFDR of 76 dB,while maintaining more than 9.6 ENOB for the full Nyquist input bandwidth.The core area of the ADC is 1.1 mm~2 and the chip consumes 28 mW with a 1.8 V power supply.
Publication Year: 2011
Publication Date: 2011-01-01
Language: en
Type: article
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