Integrated circuit and method of generating a bias signal for a data signal receiver

1. An integrated circuit comprising:

a replica circuit configured to generate a feedback signal, wherein the replica circuit is a replica of at least a part of a data signal receiver, and wherein the feedback signal depends on a reference signal of the data signal receiver;

a compensation circuit connected to an output of the replica circuit and configured to compensate an influence of the reference signal on the feedback signal; and

an amplifier circuit connected to the replica circuit and configured to generate a bias signal based on the feedback signal, the bias signal being provided to the data signal receiver

a further replica circuit configured to generate a further feedback signal, wherein the further replica circuit is a replica of at least a part of a further data signal receiver, and wherein the further feedback signal depends on the reference signal; and

a further compensation circuit configured to compensate an influence of the reference signal on the further feedback signal.

2. The integrated circuit of claim 1 , wherein the replica circuit comprises a first transistor configured to be controlled by the reference signal.

3. The integrated circuit of claim 2 , wherein the compensation circuit comprises a second transistor connected in parallel to the first transistor.

4. The integrated circuit of claim 3 , comprising wherein a gate signal of the second transistor decreases if the reference signal increases and increases if the reference signal decreases, respectively.

5. The integrated circuit of claim 4 , comprising wherein the first and second transistors are configured to provide the feedback signal at their drains or sources.

6. The integrated circuit of claim 4 , wherein the compensation circuit comprises a third transistor configured to control the gate signal.

7. The integrated circuit of claim 6 , comprising wherein the third transistor is controlled by the reference signal.

8. The integrated circuit of claim 7 , comprising wherein the third transistor is connected in series with a resistor.

9. The integrated circuit of claim 3 , wherein the replica circuit further comprises a fourth transistor and a resistor, both connected in series with the first transistor.

10. The integrated circuit of claim 1 , comprising:

a data signal receiver configured to process a data signal depending on the reference signal and the bias signal.

11. The integrated circuit of claim 10 , wherein the data signal receiver comprises a differential amplifier and the replica circuit is a replica of at least part of the differential amplifier.

12. The integrated circuit of claim 11 , comprising wherein the differential amplifier is configured to compare the data signal and the reference signal depending on the bias signal.

13. The integrated circuit of claim 1 , comprising wherein the amplifier circuit is further configured to generate a further bias signal based on the further feedback signal, the further bias signal being provided to the further data signal receiver.