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AD9803JST 参数 Datasheet PDF下载

AD9803JST图片预览
型号: AD9803JST
PDF下载: 下载PDF文件 查看货源
内容描述: CCD信号处理器,用于电子相机 [CCD Signal Processor For Electronic Cameras]
分类和应用: 电子
文件页数/大小: 19 页 / 181 K
品牌: AD [ ANALOG DEVICES ]
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FEATURES
3-Wire Serial I/F for Digital Control
18 MHz Correlated Double Sampler
Low Noise PGA with 0 dB–30 dB Range
Analog Pre-Blanking Function
AUX Input with Input Clamp and PGA
10-Bit 18 MSPS A/D Converter
Direct ADC Input with Input Clamp
Internal Voltage Reference
Two Auxiliary 8-Bit DACs
+3 V Single Supply Operation
Low Power: 150 mW at 2.7 V Supply
48-Lead LQFP Package
CCD Signal Processor
for Electronic Cameras
AD9803
PRODUCT DESCRIPTION
The AD9803 is a complete CCD and video signal processor
developed for electronic cameras. It is well suited for video
camera and still-camera applications.
The 18 MHz CCD signal processing chain consists of a CDS,
low noise PGA, and 10-bit ADC. Required clamping circuitry
and a voltage reference are also provided. The AUX input
features a wideband PGA and input clamp, and can be used to
sample analog video signals.
The AD9803 nominally operates from a single 3 V power sup-
ply, typically dissipating 170 mW. The AD9803 is packaged in a
space-saving 48-lead LQFP and is specified over an operating
temperature range of –20°C to +70°C.
FUNCTIONAL BLOCK DIAGRAM
PBLK
PGACONT1-2
CLPOB
CLAMP
0–30dB
CCDIN
CDS
PGA
AD9803
10
MUX
S/H
ADC
DOUT
CLAMP
CLPDM
DAC1
8-BIT
DAC
8-BIT
DAC
10-BIT
DAC
INTF
3
TIMING
GENERATOR
PGA
REF
CLAMP
DAC2
0–10dB
AUXCONT
VRT
VRB
3-W INTF
ADCIN AUXIN ACLP SHP SHD ADCCLK
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
World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
© Analog Devices, Inc., 1999