參數(shù)資料
型號: AD9991KCPZRL
廠商: Analog Devices Inc
文件頁數(shù): 1/60頁
文件大?。?/td> 0K
描述: IC CCD SIGNAL PROCESSOR 56-LFCSP
產(chǎn)品變化通告: Product Discontinuance 27/Oct/2011
標準包裝: 2,500
類型: CCD 信號處理器,10 位
輸入類型: 邏輯
輸出類型: 邏輯
接口: 3 線串口
安裝類型: 表面貼裝
封裝/外殼: 56-VFQFN 裸露焊盤,CSP
供應商設(shè)備封裝: 56-LFCSP-VQ(8x8)
包裝: 帶卷 (TR)
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
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 Amplier (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 specied 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-
ed 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
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