Circuit with a capacitive element with method for testing the same

A circuit has an input terminal, an output terminal, a supply voltage terminal, a ground terminal and a useful circuit, wherein the useful circuit has a capacitive element with a first and a second capacitance terminal, wherein the capacitive element has a series connection of two series capacitors, which are connected to each other at an inner capacitance node, and an additional testing terminal coupled to the inner capacitance node, and designed such that at least one of the series capacitors is positioned between the additional testing terminal and the reference terminal comprising the input terminal, the output terminal, the supply voltage terminal and the ground terminal, related to current flow.