topic About QN9080 ADC in Wireless MCU https://community.nxp.com/t5/Wireless-MCU/About-QN9080-ADC/m-p/973559#M8117 <HTML><HEAD></HEAD><BODY><P>QN908x's ADC is 16bit, but Output data format is 23 bit. what is the purpose of this setting?</P></BODY></HTML> Fri, 11 Oct 2019 07:27:15 GMT xiumin_song 2019-10-11T07:27:15Z About QN9080 ADC https://community.nxp.com/t5/Wireless-MCU/About-QN9080-ADC/m-p/973559#M8117 <HTML><HEAD></HEAD><BODY><P>QN908x's ADC is 16bit, but Output data format is 23 bit. what is the purpose of this setting?</P></BODY></HTML> Fri, 11 Oct 2019 07:27:15 GMT https://community.nxp.com/t5/Wireless-MCU/About-QN9080-ADC/m-p/973559#M8117 xiumin_song 2019-10-11T07:27:15Z Re: About QN9080 ADC https://community.nxp.com/t5/Wireless-MCU/About-QN9080-ADC/m-p/973560#M8118 <HTML><HEAD></HEAD><BODY><P>Hello,</P><P></P><P>If you check the user guide in chapter 30.2 it says the ADC is a 16-bit sigma-delta ADC, still, &nbsp;the output is represented as 23-bit signed fractional data, you can see more about it in the table below the screenshot you shared.</P><P style="margin: 0in; font-size: 11.0pt;">&nbsp;</P><P style="margin: 0in; font-size: 11.0pt;"></P><P style="margin: 0in; font-size: 11.0pt;"><span class="lia-inline-image-display-wrapper" image-alt="pastedImage_1.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/91280i734C2F5B25AA39D3/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_1.png" alt="pastedImage_1.png" /></span></P><P style="margin: 0in; font-size: 11.0pt;">&nbsp;</P><P style="margin: 0in; font-size: 11.0pt;">Regards ,</P><P style="margin: 0in; font-size: 11.0pt;">Estephania</P></BODY></HTML> Fri, 11 Oct 2019 16:24:04 GMT https://community.nxp.com/t5/Wireless-MCU/About-QN9080-ADC/m-p/973560#M8118 stephanie_m 2019-10-11T16:24:04Z