Al-V 10-bit 2GSample/s D/A converter based on precision current reference in 90-nm CMOS

Kuo Hsing Cheng, Hsin Hao Wang, Ding Jyun Huang

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

3 Scopus citations

Abstract

This paper describes a 2GS/s 10bit DAC with a supply voltage lower to 1 volt. It has been realized in a 90-nm 1P9M CMOS technology. A novel high precision active cascode mirror circuit is presented. Provided the headroom is not affected, operating the current source in the triode region, the precision of the current source array can be obtained. In addition, the demand of low analog/digital supply voltage and the influence of MOS short-channel effect can be overcome. The INL is between +0.12 and -0.14 LSB, and the DNL is between +0.23 and -0.35 LSB. When the DAC operates at an input signal frequency of 10MHz, a SFDR of 65.1dB can be achieved. Moreover, a SFDR of 54.4dB can be gained when the DAC operates at 982.2MHz. The power consumption of the proposed design is approximately 79mW. The chip area is about 1mm × 1mm.

Original languageEnglish
Title of host publicationProceedings of the 15th IEEE International Conference on Electronics, Circuits and Systems, ICECS 2008
Pages340-343
Number of pages4
DOIs
StatePublished - 2008
Event15th IEEE International Conference on Electronics, Circuits and Systems, ICECS 2008 - St. Julian's, Malta
Duration: 31 Aug 20083 Sep 2008

Publication series

NameProceedings of the 15th IEEE International Conference on Electronics, Circuits and Systems, ICECS 2008

Conference

Conference15th IEEE International Conference on Electronics, Circuits and Systems, ICECS 2008
Country/TerritoryMalta
CitySt. Julian's
Period31/08/083/09/08

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