Amplifier and reset method thereof

An amplifier, comprising:

• an output stage circuit comprising a plurality of input terminals and a plurality of output terminals;
• and
• a compensation circuit coupled between the plurality of input terminals and the plurality of output terminals, the compensation circuit configured to operate as a first Miller capacitor and a second Miller capacitor according to a first clock signal and a second clock signal,
• wherein the compensation circuit comprises a first capacitor, a second capacitor, a third capacitor, and a fourth capacitor, during an enabling period of the first clock signal, the first capacitor and the second capacitor are configured to operate as the first Miller capacitor, and the third capacitor and the fourth capacitor are configured to operate as the second Miller capacitor, and during an enabling period of the second clock signal, the first capacitor and the third capacitor are configured to operate as the first Miller capacitor, and the fourth capacitor and the second capacitor are configured to operate as the second Miller capacitor.

A reset method for resetting an amplifier, the reset method comprising:

• operating, by a first capacitor and a second capacitor, as a first Miller capacitor corresponding to a first output terminal of the amplifier according to a first clock signal;
• operating, by a third capacitor and a fourth capacitor, as a second Miller capacitor corresponding to a second output terminal of the amplifier according to the first clock signal;
• operating, by the first capacitor and the fourth capacitor, as the first Miller capacitor corresponding to the first output terminal of the amplifier according to a second clock signal;
• and
• operating, by the third capacitor and the second capacitor, as the second Miller capacitor corresponding to the second output terminal of the amplifier according to the second clock signal.