There is provided a capacitance sensing apparatus including: a driving circuit unit applying a driving signal to a first capacitor; a first integrating circuit unit including a second capacitor charged by a change in capacitance generated in the first capacitor based on the driving signal to generate a first output voltage; and a second integrating circuit unit including a third capacitor charged by a change in capacitance generated in the second capacitor to generate a second output voltage, wherein a level of the second output voltage is changed at least twice during a single period of the driving signal applied to the first capacitor.