Patent ID: 7990222

Claim:
A circuit for converting first and second differential input signals into an output signal, comprising: a first differential input stage comprising first and second inputs for receiving the first differential input signal and comprising first and second outputs; a second differential input stage comprising third and fourth inputs for receiving the second differential input signal and comprising third and fourth outputs; and an output stage including: a first terminal connected to the first output; a second terminal connected to the second output; a third terminal for providing the output signal, the first output further being connected to the third output and the second output further being connected to the fourth output; a current mirror stage that comprises a fifth input constituting the first terminal, a fifth output constituting the second terminal, a first pair of transistors comprising control electrodes connected to each other and comprising first main electrodes connected to each other and comprising second main electrodes constituting the fifth input and the fifth output, the fifth input being connected to the control electrodes of the third pair of transistors; and a transistor comprising a control electrode connected to the fifth output and comprising a main electrode constituting the third terminal.