Fully differential amplifier and method for a common-mode control in a fully differential amplifier

Fully differential amplifier comprising: a first gain stage (202, 204); a second gain stage (210) which is connected to the first amplification stage (202, 204) coupled, wherein a feedforward path is provided by a current signal is coupled into the output of the second gain stage (210); a third gain stage (212) which is coupled to the second gain stage (210) and has a non-dominant pole, which is compensated by a simple Miller capacitance (214); and a common mode amplifier (226) which provides an output to control a current source (232) which feeds a control current (234) in said second gain stage (210), the inputs of the common mode amplifier (226) (an output of the third gain stage 212 ) and a reference voltage (224) are coupled.