AD9826

更新时间： 2024-11-08 22:39:03

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
20页	158K
描述
Complete 16-Bit Imaging Signal Processor

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中文翻译

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数据手册

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AD9826 数据手册

Complete 16-Bit Imaging

Signal Processor

AD9826

P RO D UCT D ESCRIP TIO N

FEATURES

T he AD9826 is a complete analog signal processor for imaging

applications. It features a 3-channel architecture designed to

sample and condition the outputs of trilinear color CCD arrays.

Each channel consists of an input clamp, Correlated Double

Sampler (CDS), offset DAC, and Programmable Gain Amplifier

(PGA), multiplexed to a high-performance 16-bit A/D converter.

16-Bit 15 MSPS A/D Converter

3-Channel 16-Bit Operation up to 15 MSPS

1-Channel 16-Bit Operation up to 12.5 MSPS

2-Channel Mode for Mono Sensors with Odd/Even Outputs

Correlated Double Sampling

1~6

Programmable Gain

؎300 mV Programmable Offset

Input Clamp Circuitry

Internal Voltage Reference

Multiplexed Byte-Wide Output

Optional Single Byte Output Mode

3-Wire Serial Digital Interface

3 V/5 V Digital I/O Compatibility

28-Lead SSOP Package

T he AD9826 can operate at speeds greater than 15 MSPS with

reduced performance.

T he CDS amplifiers may be disabled for use with sensors that

do not require CDS, such as Contact Image Sensors (CIS),

CMOS active pixel sensors, and Focal Plane Arrays.

The 16-bit digital output is multiplexed into an 8-bit output word,

which is accessed using two read cycles. T here is an optional

single byte output mode. T he internal registers are programmed

through a 3-wire serial interface, and provide adjustment of

the gain, offset, and operating mode.

Low Power CMOS: 400 mW (Typ)

Power-Down Mode Available

APPLICATIONS

Flatbed Document Scanners

Digital Copier

T he AD9826 operates from a single 5 V power supply, typically

consumes 400 mW of power, and is packaged in a 28-lead SSOP.

Multifunction Peripherals

Infrared Imaging Applications

Machine Vision

FUNCTIO NAL BLO CK D IAGRAM

AVDD AVSS

CAPT

AVSS

CML

CAPB

DRVDD

DRVSS

AVDD

AD9826

VINR

VING

PGA

CDS

OEB

BANDGAP

REFERENCE

9-BIT

DAC

16:8

MUX

3:1

MUX

16-BIT

ADC

DOUT

PGA

CDS

9-BIT

DAC

CONFIGURATION

MUX

VINB

PGA

SCLK

DIGITAL

CONTROL

INTERFACE

RED

GREEN

BLUE

SLOAD

SDATA

9-BIT

DAC

GAIN

REGISTERS

INPUT

CLAMP

BIAS

RED

OFFSET

GREEN

BLUE

OFFSET

REGISTERS

CDSCLK1 CDSCLK2

ADCCLK

REV. A

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.

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

12 3 4 5 6 7...20

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与AD9826相关器件

型号	品牌	获取价格	描述	数据表
AD9826_12	ADI	获取价格	Complete 16-Bit Imaging Signal Processor
AD9826KRS	ADI	获取价格	Complete 16-Bit Imaging Signal Processor
AD9826KRS	ROCHESTER	获取价格	SPECIALTY CONSUMER CIRCUIT, PDSO28, 5.30 MM, SSOP-28
AD9826KRSRL	ADI	获取价格	IC SPECIALTY CONSUMER CIRCUIT, PDSO28, 5.30 MM, SSOP-28, Consumer IC:Other
AD9826KRSZ	ADI	获取价格	Complete 16-Bit Imaging Signal Processor
AD9826KRSZ	ROCHESTER	获取价格	SPECIALTY CONSUMER CIRCUIT, PDSO28, 5.30 MM, ROHS COMPLIANT, SSOP-28
AD9826KRSZRL	ADI	获取价格	Complete 16-Bit Imaging Signal Processor
AD9826KRSZRL	ROCHESTER	获取价格	SPECIALTY CONSUMER CIRCUIT, PDSO28, 5.30 MM, SSOP-28
AD9830	ADI	获取价格	CMOS Complete DDS
AD9830AST	ADI	获取价格	CMOS Complete DDS

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