topic Re: ADC testing in LabVIEW https://forums.ni.com/t5/LabVIEW/ADC-testing/m-p/4253332#M1237751 <P>Hello&nbsp;Patrick,</P> <P>&nbsp;</P> <P>From what you say I understand that you need to characterize an ADC, is that correct? If that were the case, then in order to obtain the&nbsp;<EM>behavior graph</EM>, I'd suggest you sweep a voltage using an AO pin and read its output using a DO port. Additionally, you'd have to create a data set that defines its&nbsp;<EM>ideal behavior </EM>(which I think is what you mean by "<SPAN>I have all code transition levels in array</SPAN>")<EM>.&nbsp;</EM>After you have both data sets (graphs), then you can easily mathematically compute in order to obtain both Differential and Integral Non-linearities.</P> <P>&nbsp;</P> <P>If any of the information above was useful at all, please let me know.</P> <P>&nbsp;</P> <P>Best regards.</P> Fri, 02 Sep 2022 19:37:54 GMT JLanzagorta 2022-09-02T19:37:54Z ADC testing https://forums.ni.com/t5/LabVIEW/ADC-testing/m-p/4250448#M1236647 <P>Hello ...</P> <P>Can somebody help me with how to make INL and DNL of AD converter with its graphs than conversion law ?</P> <P>I have all code tranzition levels in array ...&nbsp;</P> <P>&nbsp;</P> <P>Thank you</P> <P>&nbsp;</P> Sat, 20 Aug 2022 13:06:07 GMT https://forums.ni.com/t5/LabVIEW/ADC-testing/m-p/4250448#M1236647 patrick.kelly 2022-08-20T13:06:07Z Re: ADC testing https://forums.ni.com/t5/LabVIEW/ADC-testing/m-p/4253332#M1237751 <P>Hello&nbsp;Patrick,</P> <P>&nbsp;</P> <P>From what you say I understand that you need to characterize an ADC, is that correct? If that were the case, then in order to obtain the&nbsp;<EM>behavior graph</EM>, I'd suggest you sweep a voltage using an AO pin and read its output using a DO port. Additionally, you'd have to create a data set that defines its&nbsp;<EM>ideal behavior </EM>(which I think is what you mean by "<SPAN>I have all code transition levels in array</SPAN>")<EM>.&nbsp;</EM>After you have both data sets (graphs), then you can easily mathematically compute in order to obtain both Differential and Integral Non-linearities.</P> <P>&nbsp;</P> <P>If any of the information above was useful at all, please let me know.</P> <P>&nbsp;</P> <P>Best regards.</P> Fri, 02 Sep 2022 19:37:54 GMT https://forums.ni.com/t5/LabVIEW/ADC-testing/m-p/4253332#M1237751 JLanzagorta 2022-09-02T19:37:54Z