A high performance CMOS A/D converter for a digital camcorder system

In a digital camcorder system, an A/D Converter which converts the analog CCD (Charge Coupled Device) signal into digital codes makes an important role to determine the system performance. Here, an A/D converter which has 8-bit resolution and 40MSPS conversion speed is proposed. It has an architecture of ping-pong style. With 0.8μm double poly and double metal CMOS technology, the experimental prototype of the proposed A/D converter has ±O.5LSB INL and ±O.5LSB DNL.