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參數資料
| 型號： | XRD98L62 |
| 廠商： | Exar Corporation |
| 英文描述： | CCD Image Digitizers with CDA，PGS and 12-Bit A/D(CCD圖像數字轉換器（帶CDA，PGS和12位A/D轉換器）) |
| 中文描述： | 與綜合發展區，和12的PGS CCD圖像數字轉換器，位A / D（防治荒漠化公約圖像數字轉換器（帶地帶素類和12位的A / D轉換器）） |
| 文件頁數： | 1/37頁 |
| 文件大?。?/td> | 394K |
| 代理商： | XRD98L62 |
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EXAR
Corporation, 48720 Kato Road, Fremont, CA 94538
(510) 668-7000
FAX (510) 668-7017
www.exar.com
XRD98L62
CCD Image Digitizers with
CDS, PGA and 12-Bit A/D
July 2000-4
FEATURES
12-bit Resolution ADC
30MHz Sampling Rate
10-bit Programmable Gain: 0dB to 36dB PGA
Digitally Controlled Offset-Calibration with Pixel
Averager and Hot Pixel Clipper
DNS Filter Removes Black Level Digital Noise
Widest Black Level Calibration Range at
Maximum Gain
1ns/step Programmable Aperture Delay on SPIX,
SBLK and ADCLK
Manual Control of Offset DAC via Serial Port for
use with High-speed Scanners
Single 2.7V to 3.6V Power Supply
Optimize Power with External Resistor to 180mW
View Finder Mode, 6-bit Resolution, 25%
Less Power
Low Power for Battery Operation
APPLICATIONS
Mega pixel Digital Still Cameras
Digital Camcorders
3 CCD Professional/Broadcast Camera
Line Scan Cameras
PC Video Cameras
CCTV/Security Cameras
Industrial/Medical Cameras
2D Bar Code Readers
High Speed Scanners
Digital Copiers
GENERAL DESCRIPTION
The XRD98L62 is a complete, low power CCD Image
Digitizer for digital motion and still cameras. The
product includes a high bandwidth differential Corre-
lated Double Sampler (CDS), 10-bit digitally Program-
mable Gain Amplifier (PGA), 12-bit Analog-to-Digital
Converter (ADC) and improved digitally controlled
black level auto-calibration circuitry with program-
mable pixel averager, hot pixel clipper, and a DNS
filter.
Two 8-bit serial controlled digital-to-analog converter
(DACs) are provided to control external analog signals
(Iris, Focus, Flash, etc.)
The Correlated Double Sampler (CDS) subtracts the
CCD output signal black level from the video level.
Common mode signal and power supply noise are
rejected by the differential CDS input stage.
The PGA is digitally controlled with 10-bit resolution on
a linear dB scale, resulting in a gain range of 0dB to
36dB with 0.047dB per LSB of the gain code.
The auto calibration circuit compensates for any inter-
nal offset of the XRD98L62 as well as black level offset
from the CCD.
The PGA and black level auto-calibration are con-
trolled 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. Readback of the serial data regis-
ters is available from the digital output bus.
The XRD98L62 has direct access to the ADC and PGA
inputs for digitizing other analog signals.
The XRD98L62 is packaged in 48-lead TQFP to reduce
space and weight, and is suitable for hand-held and
portable applications.
Rev. P2.00
Two Serial Controlled 8-bit D/A Converters
0.5mA Stand-by Mode Current
Three-state Digital Outputs
2,000V ESD Protection
48-pin TQFP Package
Preliminary
ORDERING INFORMATION
Operating
Power Supply
3.0V
Maximum
Sampling Rate
30 MSPS
Part No.
XRD98L62ACV
Package
48-Pin TQFP
Temperature Range
-15°C to 70°C
相關PDF資料 |
PDF描述 |
|---|---|
| XRDAN28 | Frequency Response Effects of Overampling and Averaging on A/D Output Data |
| XRDAN29 | Criteria for Accurate Sampling of Analog Signals |
| XRDAN30 | CMOS Current Output D/A Converter Design Concepts for Wide Bandwidth Applications |
| XRK32308_07 | 3.3V ZERO DELAY BUFFER |
| XRK32308CD-1 | 3.3V ZERO DELAY BUFFER |
相關代理商/技術參數 |
參數描述 |
|---|---|
| XRD98L62ACV | 制造商:EXAR 制造商全稱:EXAR 功能描述:CCD Image Digitizers with CDS, PGA and 12-Bit A/D |
| XRD98L62ACV-F | 功能描述:視頻 IC RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| XRD98L62EVAL | 功能描述:數據轉換 IC 開發工具 XRD98L62 EVAL BOARD RoHS:否 制造商:Texas Instruments 產品:Demonstration Kits 類型:ADC 工具用于評估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V |
| XRD98L62ZEVAL | 功能描述:數據轉換 IC 開發工具 Eval Board (Solder) XRD98L62AIV RoHS:否 制造商:Texas Instruments 產品:Demonstration Kits 類型:ADC 工具用于評估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V |
| XRD98L63 | 制造商:EXAR 制造商全稱:EXAR 功能描述:CCD Image Digitizers with CDS, PGA and 12-Bit A/D |
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