Datasheet > AD9898KCPRL-20

AD9898KCPRL-20

更新时间： 2022-11-26 06:16:44

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
52页	518K
描述
CCD Signal Processor with Precision Timing⑩ Generator

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AD9898KCPRL-20 数据手册

CCD Signal Processor with

Precision Timing^™Generator

AD9898

FEATURES

GENERAL DESCRIPTION

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

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.

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

Packaged in a space saving 48-Lead LFCSP, the AD9898 is

specified over an operating temperature range of –20°C to +85°C.

FUNCTIONAL BLOCK DIAGRAM

REFT REFB

AD9898

6dBTO 40dB

VGA

VREF

ADC

CDS

DOUT

CLAMP

INTERNAL CLOCKS

DCLK1

HORIZONTAL

FD/DCLK2

MSHUT

PRECISION

TIMING

DRIVERS

H1, H2

GENERATOR

STROBE

V1, V2, V3, V4

VSG1, VSG2

V-H

CONTROL

SYNC

GENERATOR

INTERNAL

REGISTERS

VSUB

SUBCK

HD VD SYNC

CLI

SL SCK SDATA

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, norforanyinfringementsofpatentsorotherrightsofthirdpartiesthat

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.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781/329-4700

Fax: 781/326-8703

www.analog.com

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