An ultrasound apparatus including a plurality of channels, each comprising: a transmission channel (210-N) configured to generate and output a transmission signal on the basis of a synchronization signal; a temperature detector (230-N) configured to output a temperature information signal of the transmission channel; a transducer element (121-N) configured to convert the transmission signal output from the transmission channel into an ultrasound signal and output the ultrasound signal; a reception channel (220-N) configured to receive a reception signal that returns after the ultrasound signal is transmitted to an object and is reflected from the object, and acquire ultrasound image data on the basis of the received reception signal; and a switching circuit (240-N) configured to connect the temperature detector to the reception channel such that the reception channel receives the temperature information signal of the transmission channel, wherein the reception channel is configured to generate a control signal for closing or opening the switching circuit; and the switching circuit is closed or opened based on the generated control signal, wherein the reception channel is configured to generate the control signal for closing the switching circuit in a dummy section (C) other than a first section (L1) and a second section (L2) such that the temperature information signal of the transmission channel is transmitted to the reception channel while the transmission channel and the reception channel do not output any signal or receive/ process any signal, and wherein the first section is a section in which the synchronization signal and the transmission signal are output, and wherein the second section is a section in which the reception channel acquires the ultrasound image data on the basis of the reception signal. a transmission channel (210-N) configured to generate and output a transmission signal on the basis of a synchronization signal; a temperature detector (230-N) configured to output a temperature information signal of the transmission channel; a transducer element (121-N) configured to convert the transmission signal output from the transmission channel into an ultrasound signal and output the ultrasound signal; a reception channel (220-N) configured to receive a reception signal that returns after the ultrasound signal is transmitted to an object and is reflected from the object, and acquire ultrasound image data on the basis of the received reception signal; and a switching circuit (240-N) configured to connect the temperature detector to the reception channel such that the reception channel receives the temperature information signal of the transmission channel, wherein the reception channel is configured to generate a control signal for closing or opening the switching circuit; and the switching circuit is closed or opened based on the generated control signal, wherein the reception channel is configured to generate the control signal for closing the switching circuit in a dummy section (C) other than a first section (L1) and a second section (L2) such that the temperature information signal of the transmission channel is transmitted to the reception channel while the transmission channel and the reception channel do not output any signal or receive/ process any signal, and wherein the first section is a section in which the synchronization signal and the transmission signal are output, and wherein the second section is a section in which the reception channel acquires the ultrasound image data on the basis of the reception signal. <EOS>