A 1.8v, 0.3mw, 10-bit sa-adc with new self-timed timing control for biomedical applications

Hwang Cherng Chow, Bo Wei Chen, Hsiao Chen Chen, Wu Shiung Feng

Research output: Contribution to journalConference articlepeer-review

13 Scopus citations

Abstract

A new self-timed timing control and WRV (Without Reference Voltage) algorithm based on the conventional SA-ADC architecture to detect biomedical signals is proposed in this paper. Using the new self-timed control method, the conversion time could be shortened to turn off the analog circuit earlier to lower the power consumption. In addition, a new WRV algorithm is introduced to remove the circuits of reference voltage sources in the DAC sub-circuit inside the SA-ADC. By this way, both INL and DNL errors of this SA-ADC are well controlled in 0.33LSB from simulation results. Also, the input range of this proposed SA-ADC can be extended to rail-to-rail.

Original languageEnglish
Article number1464693
Pages (from-to)736-739
Number of pages4
JournalProceedings - IEEE International Symposium on Circuits and Systems
DOIs
StatePublished - 2005
EventIEEE International Symposium on Circuits and Systems 2005, ISCAS 2005 - Kobe, Japan
Duration: 23 05 200526 05 2005

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