Design notes

VT5365

10/26

2.5

Optical center

The optical center of the VT5365 is NOT in the centre of the package, it is offset by

-0.243 mm in the X-axis and 0.215 mm in the Y axis with respect to the centre of the

package as shown in Figure 5. The PCB designer must take this into account when laying

out the PCB.

Figure 5.

VT5365 optical center

2.6

Sensor orientation on PCB

The VT5365 must be orientated correctly on the PCB in order to move the cursor in the

correct directions when the mouse is moved. This is shown in Figure 6.

Figure 6.

VT5365 sensor orientation

Optical center (-0.243mm, +0.215mm)

mechanical center

of package (0,0)

pin 1 marking

TOP VIEW OF VT5365

pin 1 marking

TOP VIEW of PCB

UP

DOWN

LEFT

VT5365 mounted UNDERNEATH

RIGHT