An ultrasound diagnostic apparatus comprises: an ultrasound probe having a plurality of ultrasound transducers an apparatus body which supplies analog drive signals to the ultrasound transducers and generates ultrasound images based on reception signals output from the ultrasound transducers and a connection cable which connects the ultrasound probe and the apparatus body, the ultrasound probe comprising: a plurality of receiving circuits, each including a preamp which amplifies the reception signal output from one of the ultrasound transducers and an A/D converter which converts the amplified reception signal and a time division unit which controls output of the reception signal to the apparatus body such that the drive signal supplied from the apparatus body and the reception signal output to the apparatus body after being converted to a digital signal by the receiving circuit are mutually time-divided and sent via the connection cable.
