A circuit arrangement for detecting a capacitance of a capacitive component and/or a change in the capacitance of a capacitive component, comprising - a monostable flipflop controllable by a control signal and having at least two inputs (2.1, 2.3) and one output (2.4), wherein a first input (2.1) of the flipflop is provided for the control signal, - a capacitive component , which is connected to a second input (2.3) of the monostable flipflop , - a conversion device, which is connected to the output (2.4) of the monostable flipflop and is designed and intended for converting an output signal (AS) generated at the output (2.4) into a signal voltage (Ss), and - an evaluation unit , which is connected to the conversion device in order to evaluate the signal voltage (Ss) and from this to generate at least one detection value, which indicates the capacitance and/or a change in the capacitance of the capacitive component , wherein the monostable flipflop is designed to generate at least one output signal (AS) at its output (2.4) on actuation by a control signal, the duration of said output signal being dependent on the capacitance of the capacitive component , and the conversion device converts the at least one output signal (AS) into a signal voltage (Ss), whose course is proportional to the duration of the output signal (AS), wherein the conversion device comprises an integrator having an operational amplifier , and the integrator is designed and connected between the output (2.4) of the monostable flipflop and the evaluation unit in such a way that an output signal (AS) of the monostable flipflop is present at an amplifier input of the operational amplifier and results in a signal voltage (Ss) which changes linearly over time, wherein the values which can be assumed by the signal voltage (Ss) are preset by the output signal (AS) and dependent directly from the output signal (AS), characterized in that the magnitude of the signal voltage (Ss) is controllable and/or a characteristic for the signal voltage (Ss) is variable via a switchable setting device whose switching state is independent from the output signal (AS), the magnitude of the signal voltage (Ss) being controllable and/or the characteristic for the signal voltage (Ss) being variable by setting a gain of the integrator between the output signal generated at the output (2.4) of the monostable flipflop and the signal voltage (Ss) generated via the conversion device . - a monostable flipflop controllable by a control signal and having at least two inputs (2.1, 2.3) and one output (2.4), wherein a first input (2.1) of the flipflop is provided for the control signal, - a capacitive component , which is connected to a second input (2.3) of the monostable flipflop , - a conversion device, which is connected to the output (2.4) of the monostable flipflop and is designed and intended for converting an output signal (AS) generated at the output (2.4) into a signal voltage (Ss), and - an evaluation unit , which is connected to the conversion device in order to evaluate the signal voltage (Ss) and from this to generate at least one detection value, which indicates the capacitance and/or a change in the capacitance of the capacitive component , <EOS>