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XRD9855AIV PDF预览

XRD9855AIV

更新时间: 2024-01-09 14:26:03
品牌 Logo 应用领域
艾科嘉 - EXAR /
页数 文件大小 规格书
35页 683K
描述
CCD Image Digitizers with CDS, PGA and 10-Bit A/D

XRD9855AIV 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:QFP包装说明:TFQFP,
针数:48Reach Compliance Code:unknown
HTS代码:8542.39.00.01风险等级:5.89
其他特性:DIGITAL OUTPUT SUPPLY VOLTAGE IS : 2.7V TO 5.5V模拟集成电路 - 其他类型:ANALOG CIRCUIT
JESD-30 代码:S-PQFP-G48JESD-609代码:e0
长度:7 mm功能数量:1
端子数量:48最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:TFQFP封装形状:SQUARE
封装形式:FLATPACK, THIN PROFILE, FINE PITCH峰值回流温度(摄氏度):NOT SPECIFIED
认证状态:Not Qualified座面最大高度:1.2 mm
最大供电电压 (Vsup):5.5 V最小供电电压 (Vsup):4.5 V
标称供电电压 (Vsup):5 V表面贴装:YES
温度等级:INDUSTRIAL端子面层:Tin/Lead (Sn/Pb)
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:NOT SPECIFIED
宽度:7 mmBase Number Matches:1

XRD9855AIV 数据手册

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XRD9855/9856  
XRD98L55/98L56  
CCD Image Digitizers with  
CDS, PGA and 10-Bit A/D  
July 2001  
FEATURES  
l 3-State Digital Outputs  
l 10-Bit Resolution ADC  
l ESD Protection to Over 2000V  
l 18 - 27MHz Maximum Sampling Rate  
l CorrelatedDoubleSampling(CDS)  
l Programmable Gain from 6dB to 38dB (PGA)  
l DigitallyControlledAnalogOffset-Calibration  
l CCD Black Level Offset Compensation at Frame  
Rate  
APPLICATIONS  
l DigitalVideoCamcorders  
l Digital Still Cameras  
l PC Video Teleconferencing  
l DigitalCopiers  
l CDS Clocks Sample Rising Edge or Falling Edge  
l Single 5V or 3V Power Supply  
l Infrared Image Digitizers  
l CCD/CISImagerInterface  
l CCTV/SecurityCamera  
l 2D Bar Code Readers  
l IndustrialCameras  
l Low Power for Battery Applications:  
XRD9855/56:  
250/300mW @ V DD = 5.0V  
XRD98L55/L56: 120/150mW @ VDD = 3.0V  
l 50mA-Typ Current in Stand By Mode  
GENERALDESCRIPTION  
The XRD9855/XRD9856 are complete CCD Image  
Digitizers for digital cameras. The products include a  
highbandwidthdifferentialCorrelatedDoubleSampler  
(CDS), 8-bit digitally Programmable Gain Amplifier  
(PGA), 10-bit Analog-to-Digital Converter (ADC) and  
digital controlled black level auto-calibration circuitry.  
The PGA is digitally controlled with 8-bit resolution on  
a linear dB scale, resulting in a gain range of 6dB to  
38dB with 0.125dB per LSB of the gain code.  
ThePGAandblacklevelauto-calibrationarecontrolled  
through a simple 3-wire serial interface. The timing  
circuitry is designed to enable users to select a wide  
variety of available CCD and image sensors for their  
applications.  
TheCorrelatedDoubleSampler(CDS)subtractsthe  
CCD output signal black level from the video level.  
Commonmodesignalnoiseandpowersupplynoiseare  
rejectedbythedifferentialCDSinputstage.CDSinputs  
aredesigned to be used eitherdifferential orsingle-  
ended.  
TheXRD9855/XRD9856hasdirectaccesstothePGA  
output and ADC input through the pin TESTVIN.  
TheXRD9855/XRD9856arepackagedin48-leadsur-  
face mount TQFP to reduce space and weight, and  
suitable for hand-held and portable applications.  
Theautocalibrationcircuitcompensatesforanyinter-  
naloffsetoftheXRD9855/XRD9856aswellasblack  
leveloffsetfrom theCCD.  
ORDERINGINFORMATION  
Operating  
Maximum  
Part No.  
Package  
Temperature Range PowerSupply Sampling Rate  
XRD9855AIV  
48 Lead TQFP (7 x 7 x 1.4 mm)  
-40°C to 85°C  
-40°C to 85°C  
-40°C to 85°C  
-40°C to 85°C  
5.0V  
3.0V  
5.0V  
3.0V  
18 MSPS  
18 MSPS  
27 MSPS  
27 MSPS  
XRD98L55AIV 48 Lead TQFP (7 x 7 x 1.4 mm)  
XRD9856AIV 48 Lead TQFP (7 x 7 x 1.4 mm)  
XRD98L56AIV 48 Lead TQFP (7 x 7 x 1.4 mm)  
Rev. 1.01  
EXAR Corporation, 48720 Kato Road, Fremont, CA 94538 · (510) 668-7000 · FAX (510) 668-7017 · www.exar.com  

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