LM9822

更新时间： 2024-11-22 22:30:31

品牌	Logo	应用领域
美国国家半导体 - NSC		/
页数	文件大小	规格书
22页	244K
描述
LM9822 3 Channel 42-Bit Color Scanner Analog Front End

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数据手册

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LM9822 数据手册

May 1999

LM9822 3 Channel 42-Bit Color Scanner Analog Front End

General Description

The LM9822 is a high performance Analog Front End (AFE) for

Key Specifications

image sensor processing systems. It performs all the analog and

mixed signal functions (correlated double sampling, color spe-

cific gain and offset correction, and analog to digital conversion)

necessary to digitize the output of a wide variety of CIS and

• Output Data Resolution

14 Bits

6MHz

5V±5%

• Pixel Conversion Rate

• Analog SupplyVoltage

• I/O Supply Voltage

3.3V±10% or 5V±5%

375mW

CCD sensors. The LM9822 has a 14 bit 6MHz ADC.

• Power Dissipation (typical)

Applications

Features

• Color Flatbed Document Scanners

• Color Sheetfed Scanners

• Multifunction Imaging Products

• Digital Copiers

• 6 million pixels/s conversion rate

• Digitally programmed gain and offset for red, green and blue

color balancing

• Correlated Double Sampling for lowest noise from CCD

sensors

• General Purpose Linear Array Imaging

• Compatible with CCD and CIS type image sensors

• InternalVoltage Reference Generation

• TTL/CMOS compatible input/output

Connection Diagram

BANDGAP

REFMID

AGND

LM9822

28 pin

SOIC

REF+

REF-

V_D

DGND

CLMP

VSMP

MCLK

AGND

SEN

SDI

SDO

SCLK

Ordering Information

Temperature Range

0°C ≤ T_A≤ +70°C

NS Package

Number

Order Number

Device Marking

LM9822CCWM¹

LM9822CCWMX²

LM9822CCWM

M28B

Notes: - Rail transport media, 26 parts per rail, - Tape and reel transport media, 1000 parts per reel

TRI-STATE® is a registered trademark of National Semiconductor Corporation.

www.national.com

12 3 4 5 6 7...22

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与LM9822相关器件

型号	品牌	获取价格	描述	数据表
LM9822_14	TI	获取价格	3 Channel 42-Bit Color Scanner Analog Front End
LM9822CCWM	TI	获取价格	3 Channel 42-Bit Color Scanner Analog Front End
LM9822CCWM/NOPB	TI	获取价格	3 Channel 42-Bit Color Scanner Analog Front End 28-SOIC 0 to 70
LM9822CCWM1	NSC	获取价格	LM9822 3 Channel 42-Bit Color Scanner Analog Front End
LM9822CCWM1	TI	获取价格	3 Channel 42-Bit Color Scanner Analog Front End
LM9822CCWMX	ETC	获取价格	Signal Conditioner
LM9822CCWMX/NOPB	TI	获取价格	3 Channel 42-Bit Color Scanner Analog Front End 28-SOIC 0 to 70
LM9822CCWMX2	NSC	获取价格	LM9822 3 Channel 42-Bit Color Scanner Analog Front End
LM9822CCWMX2	TI	获取价格	3 Channel 42-Bit Color Scanner Analog Front End
LM9822MDC	TI	获取价格	IC,DATA ACQ SIGNAL CONDITIONER,3-CHANNEL,14-BIT,DIE