Identification of AD Converter

Publicerad 1999 av Jonas Elbornsson

Estimation Ad Conversion Engineering And Technology Teknik Och Teknologier Sampling
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Typ av publikation: Konferensbidrag
Typ av innehåll: Övrigt vetenskaplig publ.

ISBN:N/A
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Abstract

For small integrated CMOS digital chips that communicate via analog signals the size and the cost of the AD-converters is a problem. An integrated CMOS AD-converter that could be built into the chip would solve this problem. In a CMOS process, the manufacturers only guarantee a very low accuracy of the recistances. The components of the ADC is therefore very inaccurate.

The purpose of this report is to present a method for identication of the errors in the ADC and to perform simulations that evaluate the method. The estimated values can then be used in the chip to compensate for the errors in the ADC.