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A 12b 50MS/s 10.2mA 0.18μm CMOS Nyquist ADC with a fully differential class-AB switched OP-AMP

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5 Author(s)
Hee-Cheol Choi ; Dept. of Electron. Eng., Sogang Univ., Seoul ; Young-Ju Kim ; Myung-Hwan Lee ; Young-Lok Kim
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A 12b 50 MS/s pipelined ADC based on a fully differential class-AB switched op-amp achieves low power consumption with a high differential input range of 2.4 Vp-p. The proposed input sampling network samples wideband signals exceeding the Nyquist frequency without a SHA. The prototype ADC in a 0.18 mum CMOS shows a power dissipation of 18.4 mW at 50 MS/s and 1.8 V with an active die area of 0.26 mm2.

Published in:

VLSI Circuits, 2008 IEEE Symposium on

Date of Conference:

18-20 June 2008