Datasheet > AD9803

AD9803

更新时间： 2024-09-14 22:29:15

品牌	Logo	应用领域
亚德诺 - ADI		电子
页数	文件大小	规格书
19页	181K
描述
CCD Signal Processor For Electronic Cameras

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AD9803 数据手册

CCD Signal Processor

for Electronic Cameras

AD9803

PRODUCT DESCRIPTION

FEATURES

The AD9803 is a complete CCD and video signal processor

developed for electronic cameras. It is well suited for video

camera and still-camera applications.

3-Wire Serial I/F for Digital Control

18 MHz Correlated Double Sampler

Low Noise PGA with 0 dB–30 dB Range

Analog Pre-Blanking Function

AUX Input with Input Clamp and PGA

10-Bit 18 MSPS A/D Converter

Direct ADC Input with Input Clamp

Internal Voltage Reference

The 18 MHz CCD signal processing chain consists of a CDS,

low noise PGA, and 10-bit ADC. Required clamping circuitry

and a voltage reference are also provided. The AUX input

features a wideband PGA and input clamp, and can be used to

sample analog video signals.

Two Auxiliary 8-Bit DACs

The AD9803 nominally operates from a single 3 V power sup-

ply, typically dissipating 170 mW. The AD9803 is packaged in a

space-saving 48-lead LQFP and is specified over an operating

temperature range of –20°C to +70°C.

+3 V Single Supply Operation

Low Power: 150 mW at 2.7 V Supply

48-Lead LQFP Package

FUNCTIONAL BLOCK DIAGRAM

PBLK

PGACONT1-2

CLPOB

CLAMP

0–30dB

PGA

AD9803

CCDIN

CDS

MUX

S/H

DOUT

ADC

CLAMP

0–10dB

CLPDM

DAC1

AUXCONT

PGA

8-BIT

DAC

10-BIT

DAC

VRT

VRB

REF

CLAMP

8-BIT

DAC

INTF

DAC2

TIMING

GENERATOR

3-W INTF ADCIN AUXIN ACLP SHP SHD ADCCLK

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.

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

Tel: 781/329-4700

Fax: 781/326-8703

World Wide Web Site: http://www.analog.com

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