Circuit arrangement for determining a capacitance of a number n of capacitive sensor elements (SE1∼SEn), the respective capacitance of which changes on the basis of actuation, according to the switched-capacitor principle, comprising a charging cycle and a charge transfer cycle, having - at least one collecting capacitor (CS1∼CSm; CS1∼CSk), - a reference voltage source, - an evaluation device which is electrically connected to the at least one collecting capacitor and evaluates a voltage present at the at least one collecting capacitor in order to determine the capacitance of a respective sensor element, - a control unit for generating at least one control signal (SS1∼SSk; SS1∼SSm), and - at least one integrated circuit (IC1∼ICm) which is electrically connected to the reference voltage source and to the at least one collecting capacitor and to which the at least one control signal is applied, the at least one integrated circuit comprising: - a number k of changeover switches (WS1∼WSk), - a respective changeover switch being respectively associated with one of the number n of sensor elements, - a switching position of a respective changeover switch depending on the at least one control signal, and - a respective changeover switch connecting the respectively associated sensor element to the reference voltage source in a first switching position, corresponding to the charging cycle of the switched-capacitor principle, and the respective changeover switch connecting the respectively associated sensor element to the at least one collecting capacitor in a second switching position for the purpose of charge transfer, corresponding to the charge transfer cycle of the switched-capacitor principle, wherein the at least one collecting capacitor (CS1∼CSm; CS1∼CSk) is connected with one end to the respective changeover switch (WS1∼WSk) and with the other end is connected to ground, and wherein means (ES1∼ESm) are provided in order to discharge the collecting capacitor (CS1∼CSm; CS1∼CSk), and the connection of the respective sensor element to the reference voltage source is via the respective changeover switch (WS1∼WSk) to a potential different from ground, or wherein means (LS1∼LSm) are provided in order to charge the collecting capacitor (CS1∼CSm; CS1∼CSk) at the end not connected to ground with a potential different from ground, and the connection of the respective sensor element to the reference voltage source is via the respective changeover switch (WS1∼WSk) to a ground potential. - at least one collecting capacitor (CS1∼CSm; CS1∼CSk), - a reference voltage source, - an evaluation device which is electrically connected to the at least one collecting capacitor and evaluates a voltage present at the at least one collecting capacitor in order to determine the capacitance of a respective sensor element, - a control unit for generating at least one control signal (SS1∼SSk; SS1∼SSm), and - at least one integrated circuit (IC1∼ICm) which is electrically connected to the reference voltage source and to the at least one collecting capacitor and to which the at least one control signal is applied, the at least one integrated circuit comprising: - a number k of changeover switches (WS1∼WSk), - a respective changeover switch being respectively associated with one of the number n of sensor elements, - a switching position of a respective changeover switch depending on the at least one control signal, and - a respective changeover switch connecting the respectively associated sensor element to the reference voltage source in a first switching position, corresponding to the charging cycle of the switched-capacitor principle, and the respective changeover switch connecting the respectively associated sensor element to the at least one collecting capacitor in a second switching position for the purpose of charge transfer, corresponding to the charge transfer cycle of the switched-capacitor principle, - a number k of changeover switches (WS1∼WSk), - a respective changeover switch being respectively associated with one of the number n of sensor elements, - a switching position of a respective changeover switch depending on the at least one control signal, and - a respective changeover switch connecting the respectively associated sensor element to the reference voltage source in a first switching position, corresponding to the charging cycle of the switched-capacitor principle, and the respective changeover switch connecting the respectively associated sensor element to the at least one collecting capacitor in a second switching position for the purpose of charge transfer, corresponding to the charge transfer cycle of the switched-capacitor principle, - a respective changeover switch being respectively associated with one of the number n of sensor elements, - a switching position of a respective changeover switch depending on the at least one control signal, and - a respective changeover switch connecting the respectively associated sensor element to the reference voltage source in a first switching position, corresponding to the charging cycle of the switched-capacitor principle, and the respective changeover switch connecting the respectively associated sensor element to the at least one collecting capacitor in a second switching position for the purpose of charge transfer, corresponding to the charge transfer cycle of the switched-capacitor principle,