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| 型号： | XRD98L61ZEVAL |
| 厂商： | Exar Corporation |
| 文件页数： | 1/38页 |
| 文件大小： | 0K |
| 描述： | EVAL BOARD FOR XRD98L61AIV |
| 标准包装： | 1 |
| 系列： | * |
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EXAR Corporation, 48720 Kato Road, Fremont, CA 94538
(510) 668-7000 FAX (510) 668-7017 www.exar.com
XRD98L61
CCD Image Digitizers with
CDS, PGA and 12-Bit A/D
May 2001-2
FEATURES
12-Bit Resolution ADC
20MHz Sampling Rate
10-Bit Programmable Gain: 0dB to 36dB PGA
Digitally Controlled Offset-Calibration with Pixel
Averager and Hot Pixel Clipper
Widest Black Level Calibration Range at
Maximum Gain
DNS Filter Removes Black Level Digital Noise
Manual Control of Offset DAC via Serial Port for
use with High-speed Scanners
1ns/step Programmable Aperture Delay on SPIX,
SBLK and ADCLK Sampling Clocks
Single 2.7V to 3.6V Power Supply
Optimized Power Consumption down to 125mW
with External Resistor
Low Power for Battery Operation
Two Serially Controlled 8-Bit D/A Converters
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 XRD98L61 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 XRD98L61 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 XRD98L61 has direct access to the ADC and
PGA inputs for digitizing other analog signals.
The XRD98L61 is packaged in 48-lead TQFP to reduce
space and weight, and is suitable for hand-held and
portable applications.
Rev. 2.00
0.1mA Stand-by Mode Current
Three-state Digital Outputs
2,000V ESD Protection
48-Pin TQFP Package
ORDERING INFORMATION
Operating
Maximum
Part No.
Package
Temperature Range
Power Supply
Sampling Rate
XRD98L61AIV
48-Pin TQFP
-40°C to 85°C
3.0V
20 MSPS
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相关代理商/技术参数 |
参数描述 |
|---|---|
| XRD98L62 | 制造商:EXAR 制造商全称:EXAR 功能描述:CCD Image Digitizers with CDS, PGA and 12-Bit A/D |
| XRD98L62ACV | 制造商:EXAR 制造商全称:EXAR 功能描述:CCD Image Digitizers with CDS, PGA and 12-Bit A/D |
| XRD98L62ACV-F | 功能描述:视频 IC RoHS:否 制造商:Fairchild Semiconductor 工作电源电压:5 V 电源电流:80 mA 最大工作温度:+ 85 C 封装 / 箱体:TSSOP-28 封装:Reel |
| XRD98L62EVAL | 功能描述:数据转换 IC 开发工具 XRD98L62 EVAL BOARD RoHS:否 制造商:Texas Instruments 产品:Demonstration Kits 类型:ADC 工具用于评估:ADS130E08 接口类型:SPI 工作电源电压:- 6 V to + 6 V |
| XRD98L62ZEVAL | 功能描述:数据转换 IC 开发工具 Eval Board (Solder) XRD98L62AIV RoHS:否 制造商:Texas Instruments 产品:Demonstration Kits 类型:ADC 工具用于评估:ADS130E08 接口类型:SPI 工作电源电压:- 6 V to + 6 V |
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