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LMH1251MT PDF预览

LMH1251MT

更新时间: 2024-10-01 22:31:11
品牌 Logo 应用领域
美国国家半导体 - NSC 解码器开关
页数 文件大小 规格书
10页 612K
描述
YPBPR to RGB Decoder and 2:1 Video Switch

LMH1251MT 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:TSSOP-24Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.39模拟集成电路 - 其他类型:AUDIO/VIDEO SWITCH
JESD-30 代码:R-PDSO-G24JESD-609代码:e0
长度:7.8 mm湿度敏感等级:1
信道数量:2功能数量:1
端子数量:24最高工作温度:70 °C
最低工作温度:封装主体材料:PLASTIC/EPOXY
封装代码:TSSOP封装等效代码:TSSOP24,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):260电源:5 V
认证状态:Not Qualified座面最大高度:1.1 mm
子类别:Multiplexer or Switches最大供电电压 (Vsup):5.25 V
最小供电电压 (Vsup):4.75 V标称供电电压 (Vsup):5 V
表面贴装:YES温度等级:COMMERCIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:GULL WING
端子节距:0.65 mm端子位置:DUAL
处于峰值回流温度下的最长时间:40宽度:4.4 mm
Base Number Matches:1

LMH1251MT 数据手册

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August 2005  
LMH1251  
YPBPR to RGB Decoder and 2:1 Video Switch  
General Description  
Features  
n YPBPR to RGB decoding  
The LMH 1251 is a wideband 2:1 analog video switch with  
an integrated YPBPR to RGB decoder. The device accepts  
one set of YPBPR inputs and one set of RGB/HSYNC/  
VSYNC inputs. Based on the input selected, the output will  
be either a decoded TV or buffered PC video signal.  
n YPBPR path: 70 MHz, −3 dB, 700 mVPP bandwidth  
n RGB path: 400 MHz, −3 dB, 700 mVPP bandwidth  
n Supports PC video display resolutions up to UXGA  
@
(1600 x 1200 75 Hz)  
The LMH1251 has a SYNC separator and processor that is  
capable of extracting sync timing information from both Stan-  
dard Definition Television (SDTV) and High Definition Tele-  
vision (HDTV) inputs. It provides bi-level sync, and tri-level  
sync separation.  
n Supports 480i, 480p, 576i, 576p, 720p, 1080i, and  
1080p  
n Smart video format detection for SD and HD  
n Power save mode  
The color space conversion from YPBPR to RGB in the  
LMH1251 is realized with a very high precision fully analog  
dematrixer that provides chrominance accuracy that is less  
than 2.5% of amplitude & 1.5˚ of phase error on a vector-  
scope. It is equipped with a smart video detection circuit  
which automatically senses SDTV and HDTV video formats  
and applies the appropriate color space conversion.  
Applications  
n TFT LCD monitor  
n CRT monitor  
n Set-top box  
n Display projector  
The LMH1251 is capable of handling SDTV, HDTV, XGA,  
SXGA, and UXGA video formats, which makes it an ideal  
solution for enhancing value in applications ranging from  
LCD monitors, to set-top boxes, to projectors. The LMH1251  
is available in a TSSOP-24 package.  
Connection Diagram  
24-Pin TSSOP  
20151927  
Top View  
LMH is a trademark of National Semiconductor Corporation.  
© 2005 National Semiconductor Corporation  
DS201519  
www.national.com  

LMH1251MT 替代型号

型号 品牌 替代类型 描述 数据表
LMH1251MT TI

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