Micromechanical gyroscope integrated circuit

The invention discloses a micromechanical gyroscope integrated circuit which is applied to a micromechanical gyroscope gauge outfit, and the micromechanical gyroscope gauge outfit comprises a driving end and a detection end; the micromechanical gyroscope integrated circuit comprises a driving circuit which is respectively connected with an output end and a feedback end of a driving end equivalent circuit and is used for obtaining a square wave driving signal and a sine wave driving signal according to an original sine excitation signal, the square wave driving signal is used for starting oscillation of the micromechanical gyroscope meter head, and the sine wave driving signal is used for driving the micromechanical gyroscope meter head after oscillation starting to oscillate; and the detection circuit is connected with the output end of the detection end equivalent circuit and is used for acquiring the angular velocity signal to be detected according to the original high-frequency carrier signal so as to obta