Sensing circuit and display apparatus having the same

A display apparatus, comprising:

• a display panel comprising a plurality of data lines, a plurality of sensing lines, and a plurality of pixels connected to the plurality of data lines and the plurality of sensing lines;
• and
• a readout chip configured to receive a sensing signal through at least one of the plurality of sensing lines, and to output a data voltage compensated based on the sensing signal to at least one of the plurality of data lines,
• wherein the readout chip comprises:
• a first input selecting circuit connected to a first sensing pad and a second sensing pad;
• a first path setting circuit connected to the first sensing pad or connected to the second sensing pad;
• a second path setting circuit;
• a first switch matrix connected to the first path setting circuit and the second path setting circuit;
• a first mode setting circuit connected to a first output terminal of the first switch matrix;
• a first common sensing amplifier connected to the first mode setting circuit;
• a second mode setting circuit connected to a second output terminal of the first switch matrix;
• and
• a second common sensing amplifier connected to the second mode setting circuit.