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XRD9814B PDF预览

XRD9814B

更新时间: 2024-01-02 15:44:48
品牌 Logo 应用领域
艾科嘉 - EXAR 传感器
页数 文件大小 规格书
53页 765K
描述
3-Channel 14/16-Bit Linear CCD/CIS Sensor Signal Processors

XRD9814B 技术参数

是否Rohs认证: 符合生命周期:Transferred
包装说明:QFP, TQFP48,.35SQReach Compliance Code:compliant
风险等级:5.58最大模拟输入电压:5.5 V
转换器类型:D/A CONVERTERJESD-30 代码:S-PQFP-G48
JESD-609代码:e3模拟输入通道数量:3
位数:14端子数量:48
最高工作温度:70 °C最低工作温度:
封装主体材料:PLASTIC/EPOXY封装代码:QFP
封装等效代码:TQFP48,.35SQ封装形状:SQUARE
封装形式:FLATPACK电源:5 V
认证状态:Not Qualified子类别:Other Converters
标称供电电压:5 V表面贴装:YES
技术:CMOS温度等级:COMMERCIAL
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
Base Number Matches:1

XRD9814B 数据手册

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XRD9814B/XRD9816B  
3-Channel 14/16-Bit Linear  
CCD/CIS Sensor Signal Processors  
November 2002-2  
FEATURES  
14-Bit or 8-Bit (Nibble) Parallel Data Output  
(XRD9814B)  
14-Bit(XRD9814B)or16-Bit(XRD9816B)  
A/DConverter  
16-Bit or 8-Bit (Nibble) Parallel Data Output  
(XRD9816B)  
Triple-Channel, 2.5 MSPS Color Scan Mode  
Single-Channel, 6 MSPS Monochrome Scan  
Mode  
5V Operation and 3V I/O Compatibility  
Low Power CMOS: 500mW @ 5V  
TripleCorrelatedDoubleSampler  
Triple 10-Bit Programmable Gain Amplifier  
Triple 10-Bit Offset Compensation DAC  
Fully Differential or Single-Ended Inputs  
CDS or S/H Mode  
APPLICATIONS  
48-BitColorScanners(XRD9816B)  
42-BitColorScanners(XRD9814B)  
CCD or CIS Color Imagers  
Gray Scale Scanners  
Inverting or Non-Inverting Mode  
Internal Voltage Reference  
Serial Control: On Data Bus or Separate Pins  
ImprovedPGA Performance  
Film Scanners  
GENERALDESCRIPTION  
The CDS mode of operation supports both line and  
pixel-clampmodesandcanbeusedtoachievesignifi-  
cant reduction in system 1/f noise and CCD reset  
clock feed-through. In S/H mode the internal DC-  
restore voltage clamp can be enabled or disabled to  
support AC-coupled or DC inputs. Sampling mode,  
10-bit PGA gain (1024 linear steps), 8-bit fine offset  
adjustment(256linearsteps),2-bitgrossoffsetadjust-  
ment and input signal polarity are all programmable  
through a serial interface. PGA gain range is 1 to 10,  
and channel offset range is -300mV to 300mV for fine  
adjustment and additional -400mV to +200mV for  
gross offset adjustment. The A/D Full-Scale Range  
(FSR) is programmable to 2V or 3V.  
The XRD9814B/9816B is a fully integrated, high-per-  
formance analog signal processor/digitizer specifi-  
cally designed for use in 3-channel linear Charge  
Coupled Device (CCD) and Contact Image Sensitive  
(CIS) imaging applications.  
Each channel of the XRD9814B/9816B includes a  
Correlated Double Sampler (CDS), Programmable  
Gain Amplifier (PGA) and channel offset adjustment.  
Aftergainandoffsetadjustment, theanaloginputsare  
sequentiallysampledanddigitizedby anaccurate14/  
16-bit A/D converter. The analog front-end can be  
configured for inverting/non-inverting input, CDS or  
sample-hold (S/H) mode, or AC/DC coupling,  
makingtheXRD9814B/9816Bsuitable foruseinCCD,  
CIS and other data acquisition applications.  
ORDERINGINFORMATION  
Part No.  
Package Type  
48-Lead TQFP  
48-Lead TQFP  
Temperature Range  
0°C to +70°C  
XRD9814BCV  
XRD9816BCV  
0°C to +70°C  
Rev. 1.00  
EXAR Corporation, 48720 Kato Road, Fremont, CA 94538 (510) 668-7000 FAX (510) 668-7017 www.exar.com  

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