a data driving circuit for displaying uniform images , a light emitting display device using the same , a driving method thereof . the data driving circuit includes a holding latch part including a plurality of holding latches for storing data , a signal generation part including a plurality of digital - analog converters for receiving the data and for generating data signals , a first switching part located between the holding latch part and the signal generation part , and a second switching part electrically connected to the signal generation part , the second switching part being for transmitting the data signals to data lines , wherein the first switching part electrically connects the respective holding latches to the respective digital - analog converters differently during a previous frame than during a current frame . as such , the data driving circuit may diffuse errors of the digital - analog converters to display uniform images .