參數資料
型號: AD9898KCPRL-20
廠商: ANALOG DEVICES INC
元件分類: 消費家電
英文描述: TVPS00RF-21-41S W/ PC CON
中文描述: SPECIALTY CONSUMER CIRCUIT, QCC48
封裝: MO-220-VKKD-2, LFCSP-48
文件頁數: 1/52頁
文件大小: 557K
代理商: AD9898KCPRL-20
REV. 0
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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. Trademarks and
registered trademarks are the property of their respective companies.
Tel: 781/329-4700
www.analog.com
AD9898
CCD Signal Processor with
Precision Timing
Generator
FEATURES
Correlated Double Sampler (CDS)
6 dB to 40 dB Variable Gain Amplifier (VGA)
Black Level Clamp with Variable Level Control
Complete On-Chip Timing Generator
Precision Timing Core with 1 ns Resolution
On-Chip: 2-Channel Horizontal and
1-Channel RG Drivers
2-Phase H-Clock Modes
4-Phase Vertical Transfer Clocks
Electronic and Mechanical Shutter Modes
On-Chip Sync Generator with External Sync Option
Space Saving 48-Lead LFCSP Package
APPLICATIONS
Digital Still Cameras
Digital Video Camcorders
FUNCTIONAL BLOCK DIAGRAM
AD9898
CDS
VGA
10
DCLK1
DOUT
INTERNAL
REGISTERS
SL
SCK
SDATA
FD/DCLK2
MSHUT
STROBE
CLAMP
ADC
CLI
VREF
6dB TO 40dB
REFT REFB
PRECISION
TIMING
GENERATOR
SYNC
GENERATOR
INTERNAL CLOCKS
VSUB
SUBCK
HD
VD SYNC
2
4
2
RG
H1, H2
V1, V2, V3, V4
VSG1, VSG2
HORIZONTAL
DRIVERS
V-H
CONTROL
GENERAL DESCRIPTION
The AD9898 is a highly integrated CCD signal processor for
digital still camera and digital video camera applications. It
includes a complete analog front end with A/D conversion
combined with a full function programmable timing generator.
A Precision Timing core allows adjustment of high speed clocks
with 1 ns resolution at 20 MHz operation.
The AD9898 is specified at pixel rates as high as 20 MHz. The
analog front end includes black level clamping, CDS, VGA, and
a 10-bit A/D converter. The timing generator provides all the
necessary CCD clocks: RG, H-clocks, V-clocks, sensor gate
pulses, substrate clock, and substrate bias pulse. Operation is
programmed using a 3-wire serial interface.
Packaged in a space saving 48-Lead LFCSP, the AD9898 is
specified over an operating temperature range of –20
°
C to +85
°
C.
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