參數(shù)資料
型號(hào): AD9845B
廠商: Analog Devices, Inc.
英文描述: Complete 12-Bit 30 MSPS CCD Signal Processor
中文描述: 完整的12位30 MSPS的CCD信號(hào)處理器
文件頁(yè)數(shù): 20/24頁(yè)
文件大?。?/td> 441K
代理商: AD9845B
REV. A
–20–
AD9845B
CCD
CCDIN
BUFFER
V
OUT
AD9845B
ADC
OUT
REGISTER
DATA
SERIAL
INTERFACE
DIGITAL
OUTPUTS
DIGITAL IMAGE
PROCESSING
ASIC
TIMING
GENERATOR
V-DRIVE
CCD
TIMING
CDS/CLAMP
TIMING
0.1
F
Figure 32. System Applications Diagram
APPLICATIONS INFORMATION
The AD9845B 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 AD9845B analog input through a series input capacitor.
The AD9845B performs the dc restoration, CDS, gain adjust-
ment, black level correction, and analog-to-digital conversion.
The AD9845B’s digital output data is then processed by the
image processing ASIC. The internal registers of the
AD9845B—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.
相關(guān)PDF資料
PDF描述
AD9845BJST Complete 12-Bit 30 MSPS CCD Signal Processor
AD9845 Complete 12-Bit 30 MSPS CCD Signal Processor
AD9845A Complete 12-Bit 30 MSPS CCD Signal Processor
AD9845AJST Complete 12-Bit 30 MSPS CCD Signal Processor
AD9846A Complete 10-Bit 30 MSPS CCD Signal Processor
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