Kinetis Microcontrollers中的主题 Re: K66 ADC routing https://community.nxp.com/t5/Kinetis-Microcontrollers/K66-ADC-routing/m-p/795747#M48441 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>Please refer below application notes about ADC layout circuit design:</P><P><A href="https://www.nxp.com/docs/en/application-note/AN3962.pdf">AN3962</A> PCB Layout Design Guide for Analog Applications</P><P><A href="https://www.nxp.com/docs/en/application-note/AN5032.pdf">AN5032</A> Reference Circuit Design for a SAR ADC in SoC</P><P>[ADC.png] is better.</P><P>Wish it helps.</P><P><BR />Have a great day,<BR />Mike</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Wed, 26 Sep 2018 05:45:10 GMT Hui_Ma 2018-09-26T05:45:10Z K66 ADC routing https://community.nxp.com/t5/Kinetis-Microcontrollers/K66-ADC-routing/m-p/795746#M48440 <HTML><HEAD></HEAD><BODY><P>Hi.</P><P></P><P>I designing a split ground high gain PCB and want the ADC to measure a buffered signal on the far en of the analog ground.</P><P></P><P>I attached two drawings of how I can route the signal to the ADC. I'm not too concerned about the resolution or quality of the measured signal. But I'm very concerned about contaminating the high gain / high impedance analog circuit.</P><P></P><P>What would be the best approach?&nbsp;</P></BODY></HTML> Tue, 25 Sep 2018 17:37:07 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/K66-ADC-routing/m-p/795746#M48440 kristiansolberg 2018-09-25T17:37:07Z Re: K66 ADC routing https://community.nxp.com/t5/Kinetis-Microcontrollers/K66-ADC-routing/m-p/795747#M48441 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>Please refer below application notes about ADC layout circuit design:</P><P><A href="https://www.nxp.com/docs/en/application-note/AN3962.pdf">AN3962</A> PCB Layout Design Guide for Analog Applications</P><P><A href="https://www.nxp.com/docs/en/application-note/AN5032.pdf">AN5032</A> Reference Circuit Design for a SAR ADC in SoC</P><P>[ADC.png] is better.</P><P>Wish it helps.</P><P><BR />Have a great day,<BR />Mike</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Wed, 26 Sep 2018 05:45:10 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/K66-ADC-routing/m-p/795747#M48441 Hui_Ma 2018-09-26T05:45:10Z