A 25-Ms/s 8-bit CMOS A/D converter for embedded application

The design of an 8-bit CMOS A/D converter is described which is intended for embedded operation in VLSI chips for video applications. The requirements on accuracy are analyzed and a comparator circuit is shown which realizes a high bandwidth. The full-flash architecture operates on wideband signals...

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Bibliographic Details
Published in:IEEE journal of solid-state circuits 1994-08, Vol.29 (8), p.879-886
Main Authors: Pelgrom, M.J.M., v. Rens, A.C.J., Vertregt, M., Dijkstra, M.B.
Format: Article
Language:English
Subjects:
Analog-digital conversion
Charge coupled devices
CMOS process
CMOS technology
Displays
Frequency conversion
Signal processing
Teletext
Video signal processing
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Description
Summary:The design of an 8-bit CMOS A/D converter is described which is intended for embedded operation in VLSI chips for video applications. The requirements on accuracy are analyzed and a comparator circuit is shown which realizes a high bandwidth. The full-flash architecture operates on wideband signals like CVBS in television systems. The A/D converter core measures 2.8 mm/sup 2/ in a 1 /spl mu/m CMOS process. The embedded operation of the A/D converter is illustrated on a video line-resizing chip.< >
ISSN:0018-9200
1558-173X
DOI:10.1109/4.297691