达到更远的接近传感器

摘要：本文讨论了几种方式来增加电流，MAX44000接近传感器可以通过红外LED驱动。这些方法的范围从非常简单到相当复杂的，并允许用户从接近传感器检测对象更远。

Maxim>DesignSupport>AppNotes>AmplifierandComparatorCircuits>APP5087Maxim>DesignSupport>AppNotes>Sensors>APP5087Keywords:proximity,als,optical,infrared,sensors,tablets,laptops,notebooks,humanpresencedetection,LEDJul25,2011APPLICATIONNOTE5087ReachFartherwithYourProximitySensorBy:IlyaVeygman,StrategicApplicationsEngineerAbstract:ThisarticlediscussesseveralwaystoincreasethecurrentthattheMAX44000proximitysensorcandrivethroughaninfraredLED.Thesemethodsrangefromverysimpletofairlycomplex,andallowtheusertodetectobjectsmuchfartherfromtheproximitysensor.BackgroundTheMAX4400