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Multi-Step Extended-Counting Analog-to- Digital Converters

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  • Extended-counting A/D converters are proposed which achieve a high accuracy by performing the conversion in several cycles. During the first cycle, the circuit performs as an incremental ADC, while during the remaining ones it acts as a multi-slope counting converter. With only one opamp and a single-slope ADC, the accuracy is comparable to that of a second-order incremental ADC. A three-step A/D converter using only a single opamp and a two-slope ADC achieves an accuracy comparable to that of a third-order incremental ADC, but with much higher power efficiency.
  • Keywords: second-order incremental ADC, analogue-digital conversion, operational amplifiers, third-order incremental ADC, multislope counting converter, multistep extended-counting analogue-to-digital converters, counting circuits, single-slope ADC, single opamp, two-slope ADC, circuit performance, extended-counting A-D converters, three-step A/D converter, power efficiency
  • This is an author's peer-reviewed final manuscript, as accepted by the publisher. The published article is copyrighted by IEEE-Institute of Electrical and Electronics Engineers and can be found at: http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=2220. ©2013 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works.
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  • Chen, C.-H.; Jung, Y.; Ceballos, J.L.; Temes, G.C., "Multi-step extended-counting analogue-to-digital converters," Electronics Letters , vol.49, no.1, pp.30,31, January 3 2013 doi: 10.1049/el.2012.3655
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  • 49
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  • 1
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  • This work was supported by Infineon Technologies.
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