參數(shù)資料
型號(hào): AD9804
廠商: Analog Devices, Inc.
英文描述: Complete 10-Bit 18 MSPS CCD Signal Processor
中文描述: 完整的10位18 MSPS的CCD信號(hào)處理器
文件頁(yè)數(shù): 1/8頁(yè)
文件大小: 379K
代理商: AD9804
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.
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AD9804
Tel: 781/329-4700
www.analog.com
Complete 10-Bit 18 MSPS
CCD Signal Processor
FUNCTIONAL BLOCK DIAGRAM
6dB TO 40dB
10
SDATA
SCK
SL
VGA
VGA GAIN
REGISTER
DATACLK
SHD
SHP
BANDGAP
REFERENCE
INTERNAL
TIMING
INTERNAL
BIAS
DOUT
VR
TRB
DVDD
DVSS
DRVDD
DRVSS
CML
CLPOB
10
CLP
10-BIT
ADC
DIGITAL
INTERFACE
AVDD
PBLK
CDS
AD9804
CLP
AVSS
CLPDM
CCDIN
FEATURES
18 MSPS Correlated Double Sampler (CDS)
6 dB to 40 dB 10-Bit Variable Gain Amplifier (VGA)
Low Noise Clamp Circuits
Preblanking Function
10-Bit 18 MSPS A/D Converter
3-Wire Serial Digital Interface
3 V Single Supply Operation
Low Power CMOS
48-Lead LQFP Package
APPLICATIONS
PC Cameras
Digital Still Cameras
PRODUCT DESCRIPTION
The AD9804 is a complete analog signal processor for CCD
applications. It features an 18 MHz single-channel architecture
designed to sample and condition the outputs of interlaced and
progressive scan area CCD arrays. The AD9804’s signal chain
consists of an input clamp, correlated double sampler (CDS),
digitally controlled VGA, black level clamp, and a 10-bit A/D
converter. The internal VGA gain register is programmed through
a 3-wire serial digital interface.
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