標題: A CMOS 6-mW 10-bit 100-MS/s Two-Step ADC
作者: Chung, Yung-Hui
Wu, Jieh-Tsorng
電子工程學系及電子研究所
Department of Electronics Engineering and Institute of Electronics
關鍵字: Analog-digital conversion;calibration;comparators (circuits);subranging ADC;two-step ADC
公開日期: 1-十一月-2010
摘要: A 10-bit 100-MS/s two-step ADC was fabricated using a 90 nm CMOS technology. To reduce power consumption, the ADC uses latch-type comparators for signal digitalization and an open-loop amplifier for residue amplification. The accuracy of the comparators is improved by offset calibration. The gain accuracy and the linearity of the residue amplifier are enhanced by digital background calibration. The ADC consumes 6 mW from a 1 V supply. Measured SNR and SFDR are 58.2 dB and 75 dB respectively. Measured ENOB is 9.34 bits. The FOM is 100 fJ . V per conversion-step.
URI: http://dx.doi.org/10.1109/JSSC.2010.2063590
http://hdl.handle.net/11536/5679
ISSN: 0018-9200
DOI: 10.1109/JSSC.2010.2063590
期刊: IEEE JOURNAL OF SOLID-STATE CIRCUITS
Volume: 45
Issue: 11
起始頁: 2217
結束頁: 2226
顯示於類別:會議論文


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