An LVDS driver circuit includes: a current source; a differential unit configured to receive a first input signal and a second input signal and output a first output signal and a second output signal; and a feedback control circuit configured to be coupled to a first output node and a second output node and to perform, by outputting a control voltage to a gate of a transistor, feedback control that sets a common voltage of a differential output signal. In the differential unit, the first output node and the second output node are in a high impedance state in the high impedance mode, the differential unit is configured to output the first output signal and the second output signal in the signal output mode, and the control voltage in the high impedance mode is larger than the control voltage in the signal output mode.