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AD9945KCP PDF预览

AD9945KCP

更新时间: 2024-02-29 20:00:40
品牌 Logo 应用领域
亚德诺 - ADI 消费电路商用集成电路
页数 文件大小 规格书
16页 191K
描述
Complete 12-Bit 40 MHz CCD Signal Processor

AD9945KCP 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Obsolete零件包装代码:QFN
包装说明:5 X 5 MM, MO-220-VHHD-2, LFCSP-32针数:32
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.31.00.01风险等级:5.08
商用集成电路类型:CONSUMER CIRCUITJESD-30 代码:S-XQCC-N32
JESD-609代码:e0长度:5 mm
功能数量:1端子数量:32
最高工作温度:85 °C最低工作温度:-20 °C
封装主体材料:UNSPECIFIED封装代码:HVQCCN
封装形状:SQUARE封装形式:CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度(摄氏度):NOT SPECIFIED认证状态:Not Qualified
座面最大高度:1 mm最大供电电压 (Vsup):3.6 V
最小供电电压 (Vsup):2.7 V表面贴装:YES
温度等级:OTHER端子面层:TIN LEAD
端子形式:NO LEAD端子节距:0.5 mm
端子位置:QUAD处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:5 mmBase Number Matches:1

AD9945KCP 数据手册

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Complete 12-Bit 40 MHz  
CCD Signal Processor  
AD9945  
FEATURES  
GENERAL DESCRIPTION  
40 MSPS Correlated Double Sampler (CDS)  
6 dB to 40 dB 10-Bit Variable Gain Amplifier (VGA)  
Low Noise Optical Black Clamp Circuit  
Preblanking Function  
12-Bit 40 MSPS A/D Converter  
No Missing Codes Guaranteed  
3-Wire Serial Digital Interface  
3 V Single-Supply Operation  
The AD9945 is a complete analog signal processor for CCD  
applications. It features a 40 MHz single-channel architecture  
designed to sample and condition the outputs of interlaced and  
progressive scan area CCD arrays. The AD9945’s signal chain  
consists of a correlated double sampler (CDS), a digitally con-  
trolled variable gain amplifier (VGA), a black level clamp, and a  
12-bit A/D converter.  
The internal registers are programmed through a 3-wire serial digital  
interface. Programmable features include gain adjustment, black  
level adjustment, input clock polarity, and power-down modes.  
Low Power: 140 mW @ 3 V Supply  
Space-Saving 32-Lead 5 mm  
5 mm LFCSP  
APPLICATIONS  
The AD9945 operates from a single 3 V power supply, typi-  
cally dissipates 140 mW, and is packaged in a space-saving  
32-lead LFCSP.  
Digital Still Cameras  
Digital Video Camcorders  
PC Cameras  
Portable CCD Imaging Devices  
CCTV Cameras  
FUNCTIONAL BLOCK DIAGRAM  
REFT REFB  
PBLK  
AD9945  
DRVDD  
DRVSS  
BAND GAP  
REFERENCE  
6dB TO 40dB  
VGA  
12  
12-BIT  
ADC  
DOUT  
CDS  
CCDIN  
CLP  
10  
AVDD  
AVSS  
CLPOB  
CONTROL  
REGISTERS  
DVDD  
DVSS  
DIGITAL  
INTERFACE  
INTERNAL  
TIMING  
SHP  
SHD DATACLK  
SL  
SCK  
SDATA  
REV. A  
Information furnished by Analog Devices is believed to be accurate and  
reliable. However, no responsibility is assumed by Analog Devices for its  
use, norforanyinfringementsofpatentsorotherrightsofthirdpartiesthat  
may result from its use. No license is granted by implication or otherwise  
under any patent or patent rights of Analog Devices. Trademarks and  
registered trademarks are the property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781/329-4700  
Fax: 781/326-8703  
www.analog.com  
© 2003 Analog Devices, Inc. All rights reserved.  

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