You are staring datasheet cross reference the Max4554/max4555/max4556 Force-sense Switches in pdf file which is listed in Library Reference datasheet archive category. This Max4554/max4555/max4556 Force-sense Switches pdf file was originally hosted via pdfserv.maxim-ic.com
Content : The Max4554/max4555/ Max4556 Are Cmos Analog Ics Configured As The Max4556 Contains Three Inde- Pendent Resistor And Voltmeter, But Other Methods (such As Op Amps Tect The Force-sense Amplifier From Operating Open Loop