A driving circuit that is configured to drive a discharge head which includes a piezoelectric element having a first electrode for supplying a first voltage signal (VOUT) and a second electrode for supplying a second voltage signal and driven by a potential difference between the first electrode and the second electrode, and which is configured to discharge a liquid by driving the piezoelectric element, the driving circuit comprising: a first voltage signal generation circuit configured to output the first voltage signal; a second voltage signal generation circuit configured to output the second voltage signal; and a switch circuit configured such that the first voltage signal is input from one end and the other end is electrically connected to the first electrode, wherein the driving circuit is configured to cause a voltage value of the first voltage signal to approach a voltage value of the second voltage signal in a shift period (S110-S130) in which the driving circuit is configured to shift a first mode to be shifted after power is turned on to a second mode for driving the piezoelectric element, characterized in that in the shift period, the first voltage signal generation circuit is configured to start an output of the first voltage signal after a power source voltage is supplied to the switch circuit, the second voltage signal generation circuit is configured to start an output of the second voltage signal after the power source voltage is supplied to the switch circuit, and the driving circuit is configured to turn off the switch circuit before the power source voltage is supplied to the switch circuit. a first voltage signal generation circuit configured to output the first voltage signal; a second voltage signal generation circuit configured to output the second voltage signal; and a switch circuit configured such that the first voltage signal is input from one end and the other end is electrically connected to the first electrode, wherein the driving circuit is configured to cause a voltage value of the first voltage signal to approach a voltage value of the second voltage signal in a shift period (S110-S130) in which the driving circuit is configured to shift a first mode to be shifted after power is turned on to a second mode for driving the piezoelectric element, characterized in that in the shift period, the first voltage signal generation circuit is configured to start an output of the first voltage signal after a power source voltage is supplied to the switch circuit, the second voltage signal generation circuit is configured to start an output of the second voltage signal after the power source voltage is supplied to the switch circuit, and the driving circuit is configured to turn off the switch circuit before the power source voltage is supplied to the switch circuit. the first voltage signal generation circuit is configured to start an output of the first voltage signal after a power source voltage is supplied to the switch circuit, the second voltage signal generation circuit is configured to start an output of the second voltage signal after the power source voltage is supplied to the switch circuit, and the driving circuit is configured to turn off the switch circuit before the power source voltage is supplied to the switch circuit.