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MC44251FN PDF预览

MC44251FN

更新时间: 2024-11-14 22:46:23
品牌 Logo 应用领域
摩托罗拉 - MOTOROLA 转换器模数转换器
页数 文件大小 规格书
18页 276K
描述
Triple 8-Bit Video ADC Three-State Outputs

MC44251FN 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:LCC包装说明:QCCJ, LDCC44,.7SQ
针数:44Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.87Is Samacsys:N
最大模拟输入电压:3 V最长转换时间:0.04 µs
转换器类型:ADC, FLASH METHODJESD-30 代码:S-PQCC-J44
JESD-609代码:e0长度:16.5862 mm
最大线性误差 (EL):0.7812%模拟输入通道数量:1
位数:8功能数量:3
端子数量:44最高工作温度:85 °C
最低工作温度:-40 °C输出位码:BINARY
输出格式:PARALLEL, 8 BITS封装主体材料:PLASTIC/EPOXY
封装代码:QCCJ封装等效代码:LDCC44,.7SQ
封装形状:SQUARE封装形式:CHIP CARRIER
峰值回流温度(摄氏度):NOT SPECIFIED电源:5 V
认证状态:Not Qualified采样速率:18 MHz
采样并保持/跟踪并保持:SAMPLE座面最大高度:4.57 mm
子类别:Analog to Digital Converters最大压摆率:55 mA
标称供电电压:5 V表面贴装:YES
技术:CMOS温度等级:INDUSTRIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:J BEND
端子节距:1.27 mm端子位置:QUAD
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:16.5862 mm
Base Number Matches:1

MC44251FN 数据手册

 浏览型号MC44251FN的Datasheet PDF文件第2页浏览型号MC44251FN的Datasheet PDF文件第3页浏览型号MC44251FN的Datasheet PDF文件第4页浏览型号MC44251FN的Datasheet PDF文件第5页浏览型号MC44251FN的Datasheet PDF文件第6页浏览型号MC44251FN的Datasheet PDF文件第7页 
Order this document  
by MC44251/D  
SEMICONDUCTOR TECHNICAL DATA  
Advance Information  
FN SUFFIX  
44–LEAD PLCC  
CASE 777  
CMOS  
The MC44251 contains three independent parallel analog–to–digital flash  
converters (ADC). Each ADC consists of 256 latching comparators and an  
encoder. Video may be ac or dc coupled. With ac coupling, input clamping  
provides for internal dc restoration. The MC44251 also contains a dithering  
generator for video processing performance enhancements.  
The MC44251 is especially suitable as a front–end converter in TV–picture  
digital processing (picture–in–picture, frame storage, etc.). The high speed  
conversion rate of the ADC is suitable for video bandwidth of well over 6 MHz.  
44  
1
FU SUFFIX  
44–LEAD QFP  
CASE 824A  
44  
1
ORDERING INFORMATION  
18 MHz Maximum Sampling Rate  
Three–State Output Buffers  
Output Latching Minimizes Skew  
Input Clamps Suitable for RGB and YUV Applications  
Built–In Dither Generator with Subsequent Digital Correction  
Single 5–Volt Power Supply  
Operating Temperature Range: – 40 to + 85°C  
VTN and HZ Input Threshold Hysteresis Built–In  
MC44251FN  
MC44251FU  
PLCC  
QFP  
NOTE:  
The FN package is not  
recommended for new designs.  
It is scheduled for phase out  
in late 1996.  
SIMPLIFIED BLOCK DIAGRAM OF ONE OF THE ADCs  
V
DD(R)  
R
TOP  
8
8
8
Σ
LATCH  
DATA  
OUTPUTS  
R
R
MID  
BOT  
CLOCK  
I
bias  
ANALOG INPUT  
CLAMP  
HZ  
DITHERING  
GENERATOR  
VTN  
MODE  
CS  
This document contains information on a new product. Specifications and information herein are subject to change without notice.  
REV 4  
7/96  
Motorola, Inc. 1996  

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