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LMH6574MA PDF预览

LMH6574MA

更新时间: 2024-10-27 22:47:03
品牌 Logo 应用领域
美国国家半导体 - NSC 复用器开关复用器或开关信号电路光电二极管
页数 文件大小 规格书
15页 857K
描述
4:1 High Speed Video Multiplexer

LMH6574MA 技术参数

是否Rohs认证: 不符合生命周期:Transferred
包装说明:SOIC-14Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.22Is Samacsys:N
模拟集成电路 - 其他类型:VIDEO MULTIPLEXERJESD-30 代码:R-PDSO-G14
JESD-609代码:e0长度:8.64 mm
湿度敏感等级:1负电源电压最大值(Vsup):-6 V
负电源电压最小值(Vsup):-3 V标称负供电电压 (Vsup):-3.3 V
信道数量:4功能数量:1
端子数量:14最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:SSOP封装等效代码:SOP14,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, SHRINK PITCH
峰值回流温度(摄氏度):235电源:+-3.3/+-5 V
认证状态:Not Qualified座面最大高度:1.75 mm
最大信号电流:0.02 A子类别:Multiplexer or Switches
最大供电电流 (Isup):18 mA最大供电电压 (Vsup):6 V
最小供电电压 (Vsup):3 V标称供电电压 (Vsup):3.3 V
表面贴装:YES温度等级:INDUSTRIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:GULL WING
端子节距:0.5 mm端子位置:DUAL
处于峰值回流温度下的最长时间:30宽度:3.9 mm
Base Number Matches:1

LMH6574MA 数据手册

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Application Notes  
GENERAL INFORMATION  
20119722  
FIGURE 1. Typical Application  
The LMH6574 is a high-speed 4:1 analog multiplexer, opti-  
mized for very high speed and low distortion. With selectable  
gain and excellent AC performance, the LMH6574 is ideally  
suited for switching high resolution, presentation grade video  
signals. The LMH6574 has no internal ground reference.  
Single or split supply configurations are both possible. The  
LMH6574 features very high speed channel switching and  
disable times. When disabled the LMH6574 output is high  
impedance making MUX expansion possible by combining  
multiple devices. See “Multiplexer Expansion” section below.  
FEEDBACK RESISTOR SELECTION  
VIDEO PERFORMANCE  
The LMH6574 has been designed to provide excellent per-  
formance with production quality video signals in a wide  
variety of formats such as HDTV and High Resolution VGA.  
Best performance will be obtained with back-terminated  
loads. The back termination reduces reflections from the  
transmission line and effectively masks transmission line  
and other parasitic capacitances from the amplifier output  
stage. Figure 1 shows a typical configuration for driving a  
75. Cable. The output buffer is configured for a gain of 2,  
so using back terminated loads will give a net gain of 1.  
20119732  
FIGURE 2. Suggested RF vs. Gain  
The LMH6574 has a current feedback output buffer with gain  
determined by external feedback (RF) and gain set (RG)  
resistors. With current feedback amplifiers, the closed loop  
www.national.com  
10  

LMH6574MA 替代型号

型号 品牌 替代类型 描述 数据表
LMH6574MAX/NOPB TI

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