In a pipeline type A/D converter apparatus including A/D converter circuit
parts connected in cascade with each other and A/D converting a sample
hold signal in a pipeline form, each A/D converter circuit part includes
a pre-A/D converter circuit for A/D converting an input signal into a
digital signal, and a multiplying D/A converter circuit for D/A
converting the digital signal into an analog control signal, and D/A
converting the input signal by sampling, holding and amplifying the input
signal using a sampling capacitor based on the analog control signal. A
precharge circuit precharges a sampling capacitor before sampling so as
to attain a predetermined output value in accordance with a digital input
to output characteristic substantially adapted to an input to output
characteristic of each A/D converter circuit part that presents an output
signal corresponding to the input signal to each A/D converter circuit
part.