A measurement circuit configured to provide a sensed input voltage indicative of an input voltage, wherein the measurement circuit comprises - a first resistor which is configured to be coupled at a first side to the input voltage; - current mirror circuitry (411, 412, 413, 415, 421, 422, 423, 425) coupled at an input to a second side of the first resistor, which is opposite to the first side of the first resistor, and configured to translate an input current at the input of the current mirror circuitry into an output current at an output of the current mirror circuitry, such that the output current is proportional to the input current by a current mirror ratio; wherein the current mirror ratio is adjustable; - a second resistor coupled to the output of the current mirror circuitry and configured to provide the sensed input voltage, when the input voltage is coupled to the first side of the first resistor; - an analog-to-digital converter configured to convert the sensed input voltage into a digital signal; wherein the analog-to-digital converter exhibits a pre-determined conversion range; the measurement circuit being characterised in that it further comprises: - control circuitry configured to - determine a range of the input voltage; and - adapt the current mirror ratio in dependence of the determined range of the input voltage, in order to map the determined range of the input voltage to the pre-determined conversion range of the analog-to-digital converter. - a first resistor which is configured to be coupled at a first side to the input voltage; - current mirror circuitry (411, 412, 413, 415, 421, 422, 423, 425) coupled at an input to a second side of the first resistor, which is opposite to the first side of the first resistor, and configured to translate an input current at the input of the current mirror circuitry into an output current at an output of the current mirror circuitry, such that the output current is proportional to the input current by a current mirror ratio; wherein the current mirror ratio is adjustable; - a second resistor coupled to the output of the current mirror circuitry and configured to provide the sensed input voltage, when the input voltage is coupled to the first side of the first resistor; - an analog-to-digital converter configured to convert the sensed input voltage into a digital signal; wherein the analog-to-digital converter exhibits a pre-determined conversion range; the measurement circuit being characterised in that it further comprises: - control circuitry configured to - determine a range of the input voltage; and - adapt the current mirror ratio in dependence of the determined range of the input voltage, in order to map the determined range of the input voltage to the pre-determined conversion range of the analog-to-digital converter. - control circuitry configured to - determine a range of the input voltage; and - adapt the current mirror ratio in dependence of the determined range of the input voltage, in order to map the determined range of the input voltage to the pre-determined conversion range of the analog-to-digital converter. - determine a range of the input voltage; and - adapt the current mirror ratio in dependence of the determined range of the input voltage, in order to map the determined range of the input voltage to the pre-determined conversion range of the analog-to-digital converter.