AD9814JR

更新时间： 2024-11-05 22:29:15

品牌	Logo	应用领域
亚德诺 - ADI		模拟IC 信号电路光电二极管
页数	文件大小	规格书
15页	163K
描述
Complete 14-Bit CCD/CIS Signal Processor

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中文翻译

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数据手册

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AD9814JR 数据手册

Complete 14-Bit

CCD/CIS Signal Processor

AD9814

FEATURES

PRODUCT DESCRIPTION

14-Bit 10 MSPS A/D Converter

No Missing Codes Guaranteed

3-Channel Operation Up to 10 MSPS

1-Channel Operation Up to 7 MSPS

Correlated Double Sampling

1-6x Programmable Gain

The AD9814 is a complete analog signal processor for CCD

imaging applications. It features a 3-channel architecture de-

signed to sample and condition the outputs of trilinear color

CCD arrays. Each channel consists of an input clamp, Corre-

lated Double Sampler (CDS), offset DAC and Programmable

Gain Amplifier (PGA), multiplexed to a high performance 14-

bit A/D converter.

؎300 mV Programmable Offset

Input Clamp Circuitry

The CDS amplifiers may be disabled for use with sensors such

as Contact Image Sensors (CIS) and CMOS active pixel sen-

sors, which do not require CDS.

Internal Voltage Reference

Multiplexed Byte-Wide Output (8+6 Format)

3-Wire Serial Digital Interface

+3/+5 V Digital I/O Compatibility

28-Lead SOIC Package

The 14-bit digital output is multiplexed into an 8-bit output

word that is accessed using two read cycles. The internal regis-

ters are programmed through a 3-wire serial interface, and pro-

vide adjustment of the gain, offset, and operating mode.

Low Power CMOS: 330 mW (Typ)

Power-Down Mode: <1 mW

The AD9814 operates from a single +5 V power supply, typi-

cally consumes 330 mW of power, and is packaged in a 28-lead

SOIC.

APPLICATIONS

Flatbed Document Scanners

Film Scanners

Digital Color Copiers

Multifunction Peripherals

FUNCTIONAL BLOCK DIAGRAM

AVDD

AVSS

CML

CAPT

CAPB

AVDD

AVSS

DRVDD DRVSS

CDS

PGA

VINR

VING

AD9814

OEB

BANDGAP

9-BIT

DAC

REFERENCE

14:8

MUX

3:1

MUX

14-BIT

ADC

DOUT

CDS

PGA

9-BIT

DAC

CONFIGURATION

MUX

SCLK

PGA

VINB

DIGITAL

CONTROL

INTERFACE

RED

GREEN

BLUE

SLOAD

SDATA

9-BIT

DAC

GAIN

REGISTERS

RED

GREEN

BLUE

INPUT

CLAMP

BIAS

OFFSET

REGISTERS

CDSCLK1 CDSCLK2

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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中文翻译

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与AD9814JR相关器件

型号	品牌	获取价格	描述	数据表
AD9814KR	ADI	获取价格	Complete 14-Bit CCD/CIS Signal Processor
AD9814KR	ROCHESTER	获取价格	SPECIALTY ANALOG CIRCUIT, PDSO28, 0.300 INCH, SOIC-28
AD9814KRRL	ADI	获取价格	IC SPECIALTY ANALOG CIRCUIT, PDSO28, 0.300 INCH, SOIC-28, Analog IC:Other
AD9814KRRL	ROCHESTER	获取价格	SPECIALTY ANALOG CIRCUIT, PDSO28, 0.300 INCH, SOIC-28
AD9814S	ADI	获取价格	14-Bit CCD/CIS Signal Processor
AD9816	ADI	获取价格	Complete 12-Bit 6 MSPS CCD/CIS Signal Processor
AD9816-EB	ADI	获取价格	Complete 12-Bit 6 MSPS CCD/CIS Signal Processor
AD9816JS	ADI	获取价格	Complete 12-Bit 6 MSPS CCD/CIS Signal Processor
AD9816JS-80010	ADI	获取价格	Complete 12-Bit 6 MSPS CCD/CIS Signal Processor
AD9816JSRL	ADI	获取价格	暂无描述

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