A chopper amplifier, comprising: a first chopper arranged to modulate an input signal using a first chopper signal having a chopper frequency and to output a chopped signal; an amplification stage having an input configured to receive the chopped signal and an output, wherein the amplification stage is configured to supply an amplified signal at the output; and an output chopper configured to de-modulate the amplified signal using a second chopper signal having the chopper frequency to generate an amplified output signal of the chopper amplifier, wherein the amplification stage is further configured to filter the signal passing through the amplification stage to attenuate signal components having frequencies lower than the chopper frequency; wherein the amplification stage includes a main amplifier and a filter attached to an input of the main amplifier or a filter attached to an output of the main amplifier; and wherein the main amplifier comprises a cascade of a voltage-to-current converter and a current-to-voltage converter and further comprises a differential voltage output and characterized in that: the amplification stage further comprises a differential mode amplifier connected to the main amplifier and arranged to mimic a desired inductive behaviour to provide a band-pass characteristic of the amplification stage, wherein the differential mode amplifier is a fully differential amplifier configured in unity gain feedback and having a differential input connected to the differential voltage output of the main amplifier, and the amplification stage further comprises a common mode amplifier connected to the main amplifier and configured to define the common mode output voltage of the main amplifier. a first chopper arranged to modulate an input signal using a first chopper signal having a chopper frequency and to output a chopped signal; an amplification stage having an input configured to receive the chopped signal and an output, wherein the amplification stage is configured to supply an amplified signal at the output; and an output chopper configured to de-modulate the amplified signal using a second chopper signal having the chopper frequency to generate an amplified output signal of the chopper amplifier, wherein the amplification stage is further configured to filter the signal passing through the amplification stage to attenuate signal components having frequencies lower than the chopper frequency; wherein the amplification stage includes a main amplifier and a filter attached to an input of the main amplifier or a filter attached to an output of the main amplifier; and wherein the main amplifier comprises a cascade of a voltage-to-current converter and a current-to-voltage converter and further comprises a differential voltage output and characterized in that: the amplification stage further comprises a differential mode amplifier connected to the main amplifier and arranged to mimic a desired inductive behaviour to provide a band-pass characteristic of the amplification stage, wherein the differential mode amplifier is a fully differential amplifier configured in unity gain feedback and having a differential input connected to the differential voltage output of the main amplifier, and the amplification stage further comprises a common mode amplifier connected to the main amplifier and configured to define the common mode output voltage of the main amplifier. the amplification stage further comprises a differential mode amplifier connected to the main amplifier and arranged to mimic a desired inductive behaviour to provide a band-pass characteristic of the amplification stage, wherein the differential mode amplifier is a fully differential amplifier configured in unity gain feedback and having a differential input connected to the differential voltage output of the main amplifier, and the amplification stage further comprises a common mode amplifier connected to the main amplifier and configured to define the common mode output voltage of the main amplifier.