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A 10b 100 MSample/s $1.4\;mm^2$ 56 mW 0.18 urn CMOS A/D Converter for Low-Power Multimedia Applications  

Min Byoung-Han (Dep. of Electronic Engineering and Interdisciplinary Program of Integrated Biotechnology, Sogang University)
Park Hee-Won (System IC Division, LG Electronics Co., Ltd)
Chae Hee-Sung (Dep. of Electronic Engineering and Interdisciplinary Program of Integrated Biotechnology, Sogang University)
Sa Doo-Hwan (Dep. of Electronic Engineering and Interdisciplinary Program of Integrated Biotechnology, Sogang University)
Lee Seung-Hoon (Dep. of Electronic Engineering and Interdisciplinary Program of Integrated Biotechnology, Sogang University)
Publication Information
Abstract
This work proposes a 10b 100 MS/s $1.4\;mm^2$ CMOS ADC for low-power multimedia applications. The proposed two-step pipeline ADC minimizes chip area and power dissipation at the target resolution and sampling rate. The wide-band SHA employs a gate-bootstrapping circuit to handle both single-ended and differential inputs with 1.2 Vp-p at 10b accuracy while the second-stage flash ADC employs open-loop offset sampling techniques to achieve 6b resolution. A 3-D fully symmetrical layout reduces the capacitor and device mismatch of the first-stage MDAC. The low-noise references are integrated on chip with optional off-chip voltage references. The prototype 10b ADC implemented in a 0.18 um CMOS shows the maximum measured DNL and INL of 0.59 LSB and 0.77 LSB, respectively. The ADC demonstrates the SNDR of 54 dB, the SFDR of 62 dB, and the power dissipation of 56 mW at 100 MS/s.
Keywords
ADC; CMOS;
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Times Cited By KSCI : 1  (Citation Analysis)
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