A fast analog front-end processor for digital imaging systems

Authors
Opris, IE Watanabe, S
Citation
Ie. Opris et S. Watanabe, A fast analog front-end processor for digital imaging systems, IEEE MICRO, 21(2), 2001, pp. 48-54
Citations number
2
Categorie Soggetti
Computer Science & Engineering
Journal title
IEEE MICRO
ISSN journal
02721732 → ACNP
Volume
21
Issue
2
Year of publication
2001
Pages
48 - 54
Database
ISI
SICI code
0272-1732(200103/04)21:2<48:AFAFPF>2.0.ZU;2-H
Abstract
WITH HIGHER SENSOR RESOLUTIONS AVAILABLE, THE SPEED AND DYNAMIC RANGE REQUI REMENTS FOR IMAGE PROCESSORS IN DIGITAL IMAGING SYSTEMS ARE MORE DEMANDING. A 12-BIT, 50 MPIXELS/S DIGITAL IMAGE ACQUISITION SYSTEM BALANCES POWER AND PERFORMANCE. THE ANALOG PROCESSOR'S TOTAL POWER DISSIPATION IS ONLY 150 MW AT FULL SPEED-AN ENVIABLE QUALITY FOR THE PORTABLE MARKET. ALTHOUGH THE UN DERLYING TECHNIQUE REQUIRES SPECIAL ANALOG CIRCUITRY TO HANDLE FAST GAIN CH ANGES, IT ACHIEVES A FAR WIDER DYNAMIC RANGE.