Multi-step extended-counting analogue-todigital converters

Chia-Hung Chen, Y. Jung, J. L. Ceballos, G. C. Temes

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


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.

Original languageEnglish
Pages (from-to)30-31
Number of pages2
JournalElectronics Letters
Issue number1
StatePublished - 3 Jan 2013


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