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AD9991KCP 数据表(PDF) 1 Page - Analog Devices |
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AD9991KCP 数据表(HTML) 1 Page - Analog Devices |
1 / 60 page Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. No license is granted by implication or oth- erwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective companies. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781/329-4700 www.analog.com Fax: 781/326-8703 © 2003 Analog Devices, Inc. All rights reserved. AD9991 10-Bit CCD Signal Processor with Precision Timing ™ Generator FEATURES 6-Phase Vertical Transfer Clock Support Correlated Double Sampler (CDS) 6 dB to 42 dB 10-Bit Variable Gain Amplifier (VGA) 10-Bit 27 MHz A/D Converter Black Level Clamp with Variable Level Control Complete On-Chip Timing Generator Precision Timing Core with 800 ps Resolution On-Chip 3 V Horizontal and RG Drivers 2-Phase and 4-Phase H-Clock Modes Electronic and Mechanical Shutter Modes On-Chip Driver for External Crystal On-Chip Sync Generator with External Sync Input 56-Lead LFCSP Package APPLICATIONS Digital Still Cameras Digital Video Camcorders Industrial Imaging GENERAL DESCRIPTION The AD9991 is a highly integrated CCD signal processor for digital still camera and camcorder applications. It includes a complete analog front end with A/D conversion, combined with a full-function programmable timing generator. The timing genera- tor is capable of supporting both 4- and 6-phase vertical clocking. A Precision Timing core allows adjustment of high speed clocks with 800 ps resolution at 27 MHz operation. The AD9991 is specified at pixel rates of up to 27 MHz. The analog front end includes black level clamping, CDS, VGA, and a 10-bit A/D converter. The timing generator provides all the necessary CCD clocks: RG, H-clocks, V-clocks, sensor gate pulses, substrate clock, and substrate bias control. Operation is programmed using a 3-wire serial interface. Packaged in a space-saving 56-lead LFCSP, the AD9991 is speci- fied over an operating temperature range of –20°C to +85°C. FUNCTIONAL BLOCK DIAGRAM AD9991 CDS VGA CLAMP 10-BIT ADC 10 DCLK MSHUT STROBE CLO CLI DOUT VREF 6dB TO 42dB HORIZONTAL DRIVERS V-H CONTROL 4 6 5 RG H1–H4 V1–V6 VSG1–VSG5 VRT VRB PRECISION TIMING GENERATOR SYNC GENERATOR INTERNAL CLOCKS VSUB SUBCK HD VD SYNC INTERNAL REGISTERS SL SCK DATA CCDIN REV. 0 |
类似零件编号 - AD9991KCP |
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类似说明 - AD9991KCP |
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