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AD9824 Datasheet دیتاشیت PDF دانلود

دیتاشیت - Analog Devices - Complete 14-Bit 30 MSPS CCD Signal Processor

شماره قطعه AD9824
شرح مفصل Complete 14-Bit 30 MSPS CCD Signal Processor
تولید کننده Analog Devices 
آرم Analog Devices 


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AD9824 شرح
a
FEATURES
14-Bit 30 MSPS A/D Converter
30 MSPS Correlated Double Sampler (CDS)
4 dB ؎ 6 dB 6-Bit Pixel Gain Amplifier (PxGA®)
2 dB to 36 dB 10-Bit Variable Gain Amplifier (VGA)
Low Noise Clamp Circuits
Analog Preblanking Function
Auxiliary Inputs with VGA and Input Clamp
3-Wire Serial Digital Interface
3 V Single-Supply Operation
Low Power: 153 mW @ 3 V Supply
Space-Saving 48-Lead LFCSP Package
APPLICATIONS
High Performance Digital Still Cameras
Industrial/Scientific Imaging
Complete 14-Bit 30 MSPS
CCD Signal Processor
AD9824
PRODUCT DESCRIPTION
The AD9824 is a complete analog signal processor for CCD
applications. It features a 30 MHz single-channel architecture
designed to sample and condition the outputs of interlaced and
progressive scan area CCD arrays. The AD9824’s signal chain
consists of an input clamp, a correlated double sampler (CDS),
PxGA, a digitally controlled VGA, a black level clamp, and a
14-bit A/D converter. Additional input modes are also pro-
vided for processing analog video signals.
The internal registers are programmed through a 3-wire
serial digital interface. Programmable features include gain
adjustment, black level adjustment, input configuration, and
power-down modes.
The AD9824 operates from a single 3 V power supply, typically
dissipates 153 mW, and is packaged in a 48-lead LFCSP.
CCDIN
CLPDM
AUX1IN
AUX2IN
FUNCTIONAL BLOCK DIAGRAM
AVDD
AVSS
HD
VD
VRT
VRB PBLK
4dB ؎ 6dB
CDS
PxGA
CLP
6
2:1
MUX
BUF
CLP
AD9824
COLOR
STEERING
2:1
MUX
2dB~36dB
VGA
BAND GAP
REFERENCE
ADC
DRVDD
DRVSS
14 DOUT
10
CONTROL
REGISTERS
DIGITAL
INTERFACE
CLP
8 BLK CLAMP
LEVEL
INTERNAL
TIMING
CLPOB
DVDD
DVSS
SL SCK SDATA
SHP SHD DATACLK
PxGA is a registered trademark of Analog Devices, Inc.
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 that
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
www.analog.com
Fax: 781/326-8703
© Analog Devices, Inc., 2002

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