https://community.nxp.com/t5/Sensors/MPX2102AP-AND-MPX2102GP/m-p/2006445#M8583 <P><SPAN>原设计了一款适合于AP系列的压力传感器电路，利用它输出的两个电压的压差去计算压力，现在想直接用GP系列去替换，电路上不做任何修改，现在发现输出的压差很小，电路设计上无法满足。然后想问下，GP在使用电路设计上与AP系列有什么区别，也是利用它的两个输出压差去作为压力计算吗？</SPAN></P> Tue, 03 Feb 2026 21:18:48 GMT ZIMO 2026-02-03T21:18:48Z https://community.nxp.com/t5/Sensors/MPX2102AP-AND-MPX2102GP/m-p/2006445#M8583 <P><SPAN>原设计了一款适合于AP系列的压力传感器电路，利用它输出的两个电压的压差去计算压力，现在想直接用GP系列去替换，电路上不做任何修改，现在发现输出的压差很小，电路设计上无法满足。然后想问下，GP在使用电路设计上与AP系列有什么区别，也是利用它的两个输出压差去作为压力计算吗？</SPAN></P> Tue, 03 Feb 2026 21:18:48 GMT https://community.nxp.com/t5/Sensors/MPX2102AP-AND-MPX2102GP/m-p/2006445#M8583 ZIMO 2026-02-03T21:18:48Z https://community.nxp.com/t5/Sensors/MPX2102AP-AND-MPX2102GP/m-p/2006776#M8585 <P>Hi ZIMO</P> <P>请看他们的区别：</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="guoweisun_0-1733299405727.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/313970i6C2DDB5D72EDD8F4/image-size/medium?v=v2&amp;px=400" role="button" title="guoweisun_0-1733299405727.png" alt="guoweisun_0-1733299405727.png" /></span></P> <P>The differential voltage output of the sensor is directly <BR />proportional to the differential pressure applied.</P> <P><BR />The absolute sensor has a built-in reference vacuum. The <BR />output voltage will decrease as vacuum, relative to ambient, <BR />is drawn on the pressure (P1) side.</P> <P><BR />The output voltage of the differential or gauge sensor <BR />increases with increasing pressure applied to the pressure</P> <P>&nbsp;</P> <P>希望能帮到您！</P> <P>多谢！</P> Wed, 04 Dec 2024 08:06:38 GMT https://community.nxp.com/t5/Sensors/MPX2102AP-AND-MPX2102GP/m-p/2006776#M8585 guoweisun 2024-12-04T08:06:38Z https://community.nxp.com/t5/Sensors/MPX2102AP-AND-MPX2102GP/m-p/2006837#M8586 <P>在电路使用上呢，比如说我将传感器输出的两个电压先放大，在相减，如果不考虑代码上的差异，电路上有需要修改的地方吗</P> Wed, 04 Dec 2024 08:45:31 GMT https://community.nxp.com/t5/Sensors/MPX2102AP-AND-MPX2102GP/m-p/2006837#M8586 ZIMO 2024-12-04T08:45:31Z https://community.nxp.com/t5/Sensors/MPX2102AP-AND-MPX2102GP/m-p/2008785#M8602 <P>请看你的新的ticket回复的：</P> <P><A href="https://community.nxp.com/t5/Sensors/HOW-TO-USE-THE-MPX2202GP/m-p/2007931#M8599" target="_blank">Re: HOW TO USE THE MPX2202GP - NXP Community</A></P> Fri, 06 Dec 2024 04:20:22 GMT https://community.nxp.com/t5/Sensors/MPX2102AP-AND-MPX2102GP/m-p/2008785#M8602 guoweisun 2024-12-06T04:20:22Z