AN1711 Datasheet, PDF (1/40 Pages) STMicroelectronics – SOFTWARE TECHNIQUES FOR COMPENSATING ST7 ADC ERRORS

AN1711
APPLICATION NOTE
SOFTWARE TECHNIQUES
FOR COMPENSATING ST7 ADC ERRORS
INTRODUCTION
The purpose of this document is to explain in detail some software techniques which you can
apply to compensate and minimise ADC errors. The document also gives some general tips
on writing software for the ADC. For a list of related application notes that contain other useful
information about ADCs see section 6 on page 39.
This document provides some methods of calibrating the ADC. Some ADC errors like Offset
and Gain errors can be cancelled using these simple software techniques. Other errors like
Differential Linearity Error and Integral Linearity Error are associated with the ADC design and
cannot be compensated easily.
The example software provided with this application note is explained in brief in section 5 on
page 35.
AN1711/0804
Rev. 1.0
1/40
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