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AD9841AJSTZ PDF预览

AD9841AJSTZ

更新时间: 2024-02-09 15:41:49
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
23页 269K
描述
Complete 10-bit, 20 MHz CCD Signal Processor with PxGA™

AD9841AJSTZ 技术参数

是否无铅:含铅是否Rohs认证:符合
生命周期:Obsolete零件包装代码:QFP
包装说明:LFQFP,针数:48
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.31.00.01风险等级:8.59
Is Samacsys:N商用集成电路类型:CONSUMER CIRCUIT
JESD-30 代码:S-PQFP-G48JESD-609代码:e3
长度:7 mm湿度敏感等级:3
功能数量:1端子数量:48
最高工作温度:85 °C最低工作温度:-20 °C
封装主体材料:PLASTIC/EPOXY封装代码:LFQFP
封装形状:SQUARE封装形式:FLATPACK, LOW PROFILE, FINE PITCH
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:1.6 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:Matte Tin (Sn)
端子形式:GULL WING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:40
宽度:7 mmBase Number Matches:1

AD9841AJSTZ 数据手册

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Complete 20 MSPS  
CCD Signal Processors  
a
AD9841A/AD9842A  
PRODUCT DESCRIPTION  
FEATURES  
The AD9841A and AD9842A are complete analog signal proces-  
sors for CCD applications. Both products feature a 20 MHz  
single-channel architecture designed to sample and condition  
the outputs of interlaced and progressive scan area CCD arrays.  
The AD9841A/AD9842A’s signal chain consists of an input  
clamp, correlated double sampler (CDS), Pixel Gain Amplifier  
(PxGA), digitally controlled variable gain amplifier (VGA),  
black level clamp, and A/D converter. The AD9841A offers 10-bit  
ADC resolution, while the AD9842A contains a true 12-bit  
ADC. Additional input modes are provided for processing analog  
video signals.  
20 MSPS Correlated Double Sampler (CDS)  
4 dB 6 dB 6-Bit Pixel Gain Amplifier (PxGA®)  
2 dB to 36 dB 10-Bit Variable Gain Amplifier (VGA)  
Low Noise Clamp Circuits  
Analog Preblanking Function  
10-Bit (9841) or 12-Bit (9842) 20 MSPS A/D Converter  
Auxiliary Inputs with VGA and Input Clamp  
3-Wire Serial Digital Interface  
3 V Single Supply Operation  
Low Power: 65 mW @ 2.7 V Supply  
48-Lead LQFP Package  
The internal registers are programmed through a 3-wire serial  
digital interface. Programmable features include gain adjustment,  
black level adjustment, input configuration, and power-down modes.  
APPLICATIONS  
Digital Still Cameras  
Digital Video Camcorders  
The AD9841A and AD9842A operate from a single 3 V power  
supply, typically dissipate 78 mW, and are packaged in a 48-  
lead LQFP.  
FUNCTIONAL BLOCK DIAGRAM  
HD  
VD  
AVDD  
AVSS  
PBLK  
CLPOB  
CLP  
COLOR  
STEERING  
DRVDD  
DRVSS  
4dB 6dB  
2dB–36dB  
VGA  
PxGA  
CDS  
CCDIN  
10/12  
2:1  
MUX  
ADC  
DOUT  
CLP  
6
VRT  
VRB  
BANDGAP  
REFERENCE  
CLPDM  
AUX1IN  
OFFSET  
DAC  
10  
2:1  
MUX  
BUF  
INTERNAL  
BIAS  
CML  
AUX2IN  
8
CONTROL  
REGISTERS  
CLP  
DVDD  
DVSS  
DIGITAL  
INTERFACE  
INTERNAL  
TIMING  
AD9841A/AD9842A  
SHP  
SHD DATACLK  
SL  
SCK  
SDATA  
PxGA is a registered trademark of Analog Devices, Inc.  
REV. 0  
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  
which may result from its use. No license is granted by implication or  
otherwise under any patent or patent rights of Analog Devices.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781/329-4700  
Fax: 781/326-8703  
World Wide Web Site: http://www.analog.com  
© Analog Devices, Inc., 2001  

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