a first driving circuit configured to supply a data signal to a signal supply line of an electro-optic panel based on gradation data; and

a second driving circuit including a computation amplifier, an output capacitor, a first feedback capacitor, and a second feedback capacitor, and electrically coupled to the signal supply line, the output capacitor including one end electrically coupled to an output node of the computation amplifier and the other end electrically coupled to the signal supply line, the first feedback capacitor including one end electrically coupled to an inverting input node of the computation amplifier and the other end electrically coupled to the signal supply line, the second feedback capacitor including one end electrically coupled to the inverting input node of the computation amplifier and the other end electrically coupled to a predetermined potential node, wherein

at least one of the first feedback capacitor and the second feedback capacitor is a capacitor with a variable capacitance value.