An integrator comprising: an amplifier comprising a non-inverting input terminal configured to be supplied with a touch driving signal having a pulse waveform; at least one feedback capacitor (Cfb); a first path switching unit (SWR1, SWR2) configured to connect the feedback capacitor (Cfb) between an inverting input terminal and an output terminal of the amplifier during a rising period of the touch driving signal; and a second path switching unit (SWF1, SWF2) configured to connect the feedback capacitor (Cfb) between the inverting input terminal and the output terminal of the amplifier during a falling period of the touch driving signal, wherein, during each of the rising period and the falling period of the touch driving signal, a voltage difference between the touch driving signal and a signal received from a touch electrode and applied to the inverting input terminal of the amplifier is amplified and accumulated, and the amplifier is configured to output the amplified and accumulated voltage difference as a sensing signal, wherein the first path switching unit (SWR1, SWR2) comprises: a first switch connected between the inverting input terminal of the amplifier and a first electrode of the feedback capacitor (Cfb); and a second switch connected between the output terminal of the amplifier and a second electrode of the feedback capacitor (Cfb), wherein the first and second switches (SWR1, SWR2) are configured to be turned on before a rising edge of the touch driving signal. wherein the second path switching unit (SWF1, SWF2) comprises: a third switch connected between the inverting input terminal of the amplifier and the second electrode of the feedback capacitor (Cfb); and a fourth switch connected between the output terminal of the amplifier and the first electrode of the feedback capacitor (Cfb), wherein the third and fourth switches (SWF1, SWF2) are configured to be turned on before a falling edge of the touch driving signal characterized in that, among a pair of the first switch and the fourth switch and a pair of the second switch and the third switch, one pair thereof has on-terms which partially overlap each other during the rising period or the falling period. an amplifier comprising a non-inverting input terminal configured to be supplied with a touch driving signal having a pulse waveform; at least one feedback capacitor (Cfb); a first path switching unit (SWR1, SWR2) configured to connect the feedback capacitor (Cfb) between an inverting input terminal and an output terminal of the amplifier during a rising period of the touch driving signal; and a second path switching unit (SWF1, SWF2) configured to connect the feedback capacitor (Cfb) between the inverting input terminal and the output terminal of the amplifier during a falling period of the touch driving signal, wherein, during each of the rising period and the falling period of the touch driving signal, a voltage difference between the touch driving signal and a signal received from a touch electrode and applied to the inverting input terminal of the amplifier is amplified and accumulated, and the amplifier is configured to output the amplified and accumulated voltage difference as a sensing signal, wherein the first path switching unit (SWR1, SWR2) comprises: a first switch connected between the inverting input terminal of the amplifier and a first electrode of the feedback capacitor (Cfb); and a second switch connected between the output terminal of the amplifier and a second electrode of the feedback capacitor (Cfb), a first switch connected between the inverting input terminal of the amplifier and a first electrode of the feedback capacitor (Cfb); and a second switch connected between the output terminal of the amplifier and a second electrode of the feedback capacitor (Cfb), wherein the first and second switches (SWR1, SWR2) are configured to be turned on before a rising edge of the touch driving signal. wherein the second path switching unit (SWF1, SWF2) comprises: a third switch connected between the inverting input terminal of the amplifier and the second electrode of the feedback capacitor (Cfb); and a fourth switch connected between the output terminal of the amplifier and the first electrode of the feedback capacitor (Cfb), wherein the third and fourth switches (SWF1, SWF2) are configured to be turned on before a falling edge of the touch driving signal characterized in that, among a pair of the first switch and the fourth switch and a pair of the second switch and the third switch, one pair thereof has on-terms which partially overlap each other during the rising period or the falling period. a third switch connected between the inverting input terminal of the amplifier and the second electrode of the feedback capacitor (Cfb); and a fourth switch connected between the output terminal of the amplifier and the first electrode of the feedback capacitor (Cfb), wherein the third and fourth switches (SWF1, SWF2) are configured to be turned on before a falling edge of the touch driving signal characterized in that, among a pair of the first switch and the fourth switch and a pair of the second switch and the third switch, one pair thereof has on-terms which partially overlap each other during the rising period or the falling period.