To provide a pipeline analog-digital converter for performing digital self calibration, and its method.
The pipeline ADC for converting an analog input signal to a digital output signal includes a plurality of analog-digital converting units to be cascade-connected so as to form a pipeline including a plurality of digital output terminals, a calculation unit coupled to the analog-digital converting units and for producing a plurality of calibration parameters in response to a signal of a digital output terminal within a first mode, and a calibration unit coupled to the calculation unit and the analog-digital converting units and for calibrating the signal of the digital output terminal in response to the calibration parameter within a second mode so as to produce the digital output signal.
WANG WEN-CHI
CHIANG CHIA-LIANG
LEE CHAO-CHENG
