參數(shù)資料
型號: AD9824KCP
廠商: ANALOG DEVICES INC
元件分類: 模擬信號調(diào)理
英文描述: Complete 14-Bit 30 MSPS CCD Signal Processor
中文描述: SPECIALTY ANALOG CIRCUIT, QCC48
封裝: 7 X 7 MM, LFCSP-48
文件頁數(shù): 20/24頁
文件大小: 438K
代理商: AD9824KCP
REV. 0
AD9824
–20–
CCD
CCDIN
BUFFER
V
OUT
0.1 F
AD9824
ADC
OUT
REGISTER-
DATA
SERIAL
INTERFACE
DIGITAL
OUTPUTS
DIGITAL IMAGE
PROCESSING
ASIC
TIMING
GENERATOR
V-DRIVE
CCD
TIMING
CDS/CLAMP
TIMING
Figure 32. System Applications Diagram
APPLICATIONS INFORMATION
The AD9824 is a complete analog front end (AFE) product for
digital still camera and camcorder applications. As shown in
Figure 32, the CCD image (pixel) data is buffered and sent to
the AD9824 analog input through a series input capacitor.
The AD9824 performs the dc restoration, CDS, gain adjust-
ment, black level correction, and analog-to-digital conversion.
The AD9824’s digital output data is then processed by the
image processing ASIC. The internal registers of the AD9824—
used to control gain, offset level, and other functions—are
programmed by the ASIC or microprocessor through a 3-wire
serial digital interface. A system timing generator provides the
clock signals for both the CCD and the AFE.
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