BU21026MUV is a low power 4-wire resistive touch screen controller. BU21026MUV measures coordinates and touch pressures with a 12bit A/D converter. BU21026MUV has a digital filter for noise reduction.
4-wire resistive touch screen controller Single 1.65V to 3.60V supply. Low standby current (0.8μA max) 12bit SAR A/D converter 2-wire serial interface Command base interface Digital filter Touch pressure measurement Auto power down control Built-in clock oscillation circuit