Datasheet > LC821031

LC821031

更新时间： 2024-11-15 22:31:31

品牌	Logo	应用领域
三洋 - SANYO		商用集成电路
页数	文件大小	规格书
5页	70K
描述
Image-Processing IC for Facsimile, Copier, and OCR Products

阅读下载

中文翻译

获取价格

技术参数
数据手册

如果您发现信息不准确，欢迎纠错

LC821031 技术参数

生命周期：	Obsolete	零件包装代码：	QFP
包装说明：	QFP,	针数：	64
Reach Compliance Code：	unknown	HTS代码：	8542.39.00.01
风险等级：	5.84	Is Samacsys：	N
商用集成电路类型：	CONSUMER CIRCUIT	JESD-30 代码：	S-PQFP-G64
长度：	14 mm	功能数量：	1
端子数量：	64	最高工作温度：	70 °C
最低工作温度：	-30 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	QFP	封装形状：	SQUARE
封装形式：	FLATPACK	认证状态：	Not Qualified
最大压摆率：	70 mA	最大供电电压 (Vsup)：	5.5 V
最小供电电压 (Vsup)：	4.5 V	表面贴装：	YES
技术：	CMOS	温度等级：	OTHER
端子形式：	GULL WING	端子节距：	0.8 mm
端子位置：	QUAD	宽度：	14 mm
Base Number Matches：	1

LC821031 数据手册

Ordering number : EN*5735

CMOS LSI

LC821031

Image-Processing IC for Facsimile, Copier,

and OCR Products

Preliminaly

Overview

• Gamma correction (Supports user-defined curves: 8-bit

data)

The LC821031 converts analog video signals from CCD

and contact sensors to high-quality binary image data. It

includes both an 8-bit A/D converter and a 6-bit D/A

converter for setting the reference potential and creates

high-quality multi-valued data using a gamma conversion

technique that supports arbitrary gamma curves. It also

provides both black and white all-pixel distortion

correction and multi-valued resolution conversion. It then

applies two-dimensional filtering to this multi-valued data

to separate the document image into text, photograph, and

halftone areas. After converting the image to a binary

image using an error diffusion technique that acquires

high-quality images, it applies reduction in both the

primary and secondary scan directions. Since the

LC821031 limits the number of pixels processed per line

to 3072 pixels, it needs no external memory to implement

this processing. Thus the LC821031 implements the image

processing used by facsimile, copier, and OCR products.

• Image area separation

• Simple binary coding (fixed threshold and density

adaptive threshold)

• Halftone processing: error diffusion method (64 levels)

• Multi-value resolution conversion (Conversion ratios of

1:2, 2:3, 3:2, and 2:1)

• Binary image reduction (Main scan line direction:

decimation, fine black line retention, fine white line

retention; secondary scan line direction: decimation, fine

line retention)

• Fabricated in a CMOS process for single 5-V power-

supply and low power.

Package Dimensions

unit: mm

3159-QFP64E

[LC821031]

Features

• Number of pixels processed: 3072 pixels/line

• Processing speed: 250 ns/pixel, maximum (When

CLKIN = 32 MHz)

• 8-bit A/D converter (Includes a sensor signal timing

adjustment function.)

• 6-bit D/A converter for setting the A/D converter

reference potential

• Sensor drive circuit (Supports most CCD and CIS

devices.)

• Digital clamp (single-point clamping and even/odd

clamping)

• Distortion correction (white correction: all-pixel

correction, black correction: all-pixel correction)

SANYO: QIP64E

Specifications

Absolute Maximum Ratings at Ta = 25°C, GND = 0 V

Parameter

Maximum supply voltage

Symbol

Conditions

Ratings

–0.3 to +7.0

–0.3 to V_DD+0.3

350

Unit

_DDmax

V_I, V_O

Pd max

Topr

Input and output voltage

Allowable power dissipation

Operating temperature

Storage temperature

Ta ≤ 70°C

°C

–30 to +70

–55 to +125

350

Tstg

Hand soldering: 3 seconds

Soldering conditions

Reflow soldering: 10 seconds

235

SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters

TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-0005 JAPAN

22898HA (OT) No. 5735-1/5

12 3 4 5

中文翻译

下载PDF

与LC821031相关器件

型号	品牌	获取价格	描述	数据表
LC82104	SANYO	获取价格	Color Image Processing IC for Fax and Scanner Applications
LC8211	SANYO	获取价格	Halftone Processing IC for Fax, Copier and Scanner
LC8213	SANYO	获取价格	Image Data Compression/Expansion Processor
LC8213K	SANYO	获取价格	Image Data Compression/Expansion Processor
LC8214	SANYO	获取价格	Facsimile Controller
LC82141	SANYO	获取价格	Facsimile Controller
LC82150	SANYO	获取价格	CMOS LSI
LC82151	SANYO	获取价格	Single-Chip Facsimile Controller
LC82162	ONSEMI	获取价格	IC,COMMUNICATIONS INTERFACE,CMOS,QFP,208PIN,PLASTIC
LC8220	SANYO	获取价格	JPEG Still Color Image Compression/Decompression LSI

与LC821031相关文章

解析光耦仿真器：升级光耦合器技术的必要性
2024-11-18

14
英伟达新一代Blackwell GPU过热问题致交付延迟
2024-11-18

7
国产厂商思特威CMOS图像传感器芯片单月出货超1亿颗，技术创新引领行业发展
2024-11-14

36
台积电5nm和3nm产能利用率达100%，半导体行业景气度持续攀升
2024-11-14

31

产品中心

服务支持

精选活动

关于我们

帮助中心

LC821031

LC821031 技术参数

LC821031 数据手册

与LC821031相关器件

与LC821031相关文章

您还可以找

产品中心

服务支持

精选活动

关于我们

帮助中心

LC821031

LC821031 技术参数

LC821031 数据手册

与LC821031相关器件

与LC821031相关文章

您还可以找

您在本页遇到什么问题？