A transmission device of the disclosure includes: a plurality of delay sections having changeable delay amounts; a driver section that includes a plurality of drivers and transmits a data signal indicating a sequence of symbols using the plurality of drivers, the plurality of drivers being provided to correspond to the plurality of delay sections and setting a voltage at a corresponding output terminal to a mutually different voltage on the basis of a signal delayed by a corresponding delay section of the plurality of delay sections; and a controller that sets the respective delay amounts of the plurality of delay sections on the basis of a transition of a symbol in the sequence of symbols.