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LT6555IUF PDF预览

LT6555IUF

更新时间: 2024-01-20 20:59:20
品牌 Logo 应用领域
凌特 - Linear 复用器
页数 文件大小 规格书
16页 361K
描述
650MHz Gain of 2 Triple 2:1Video Multiplexer

LT6555IUF 技术参数

是否无铅: 含铅是否Rohs认证: 符合
生命周期:Active包装说明:VQCCN,
针数:24Reach Compliance Code:compliant
风险等级:5.3模拟集成电路 - 其他类型:VIDEO MULTIPLEXER
JESD-30 代码:S-PQCC-N24JESD-609代码:e3
长度:4 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):-2.25 V
标称负供电电压 (Vsup):-5 V信道数量:1
功能数量:3端子数量:24
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:VQCCN
封装形状:SQUARE封装形式:CHIP CARRIER, VERY THIN PROFILE
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:0.75 mm最大供电电压 (Vsup):6 V
最小供电电压 (Vsup):2.25 V标称供电电压 (Vsup):5 V
表面贴装:YES技术:BIPOLAR
温度等级:INDUSTRIAL端子面层:Matte Tin (Sn)
端子形式:NO LEAD端子节距:0.5 mm
端子位置:QUAD处于峰值回流温度下的最长时间:30
宽度:4 mmBase Number Matches:1

LT6555IUF 数据手册

 浏览型号LT6555IUF的Datasheet PDF文件第7页浏览型号LT6555IUF的Datasheet PDF文件第8页浏览型号LT6555IUF的Datasheet PDF文件第9页浏览型号LT6555IUF的Datasheet PDF文件第11页浏览型号LT6555IUF的Datasheet PDF文件第12页浏览型号LT6555IUF的Datasheet PDF文件第13页 
LT6555  
W U U  
U
APPLICATIO S I FOR ATIO  
To maintain the LT6555’s channel isolation, it is beneficial  
to shield parallel input and parallel output traces using a  
groundplaneorpowersupplytraces.Viasbetweentopside  
and backside metal may be required to maintain a low  
inductance ground near the part where numerous traces  
converge. See Figures 6 and 7 for photos of an optimized  
layout.  
Figure 3 illustrates the loading effect of expanding the  
number of inputs. The resultant gain error can be calcu-  
lated by the following formula using n as the number of  
LT6555s:  
435Ω  
n – 1  
75Ω  
Gain Error (dB)= 6dB+20log  
dB  
435Ω  
n – 1  
75 +  
75Ω  
Input Expansion  
In applications with more than two inputs per channel,  
multiple LT6555s can be connected by several different  
methods. The simplest method is to connect the outputs  
afterthe75seriestermination,asshowninFigure2. The  
compromise of this approach is that the internal gain  
settingresistorscausea435shuntacrossthe75cable  
termination, resulting in increased gain error.  
For example, two LT6555s would result in a gain error of  
–0.74dB per channel. Three LT6555s (i.e., six red inputs,  
six green inputs and six blue inputs), would have a gain  
error of –1.4dB.  
1/3 LT6555 #1  
75  
IN1A  
IN1B  
360Ω  
OFF  
360Ω  
75Ω  
IN1A  
A
= 2  
V
75Ω  
R2  
75Ω  
435  
n – 1  
360Ω  
OFF  
IN1B  
360Ω  
EN  
n = NUMBER OF LT6555s  
IN PARALLEL  
LT6555 #1  
1/3 LT6555 #2  
CABLE  
75Ω  
IN1C  
IN1D  
360Ω  
OFF  
75Ω  
IN1C  
IN1D  
360Ω  
A
= +2  
V
75Ω  
OUT  
75Ω  
360Ω  
ON  
360Ω  
EN  
6555 F03  
LT6555 #2  
74HC04  
.
.
.
CHIP  
SELECT  
6555 F02  
n
Figure 3. Disabled Amplifiers Load the Cable  
Termination with 435Each  
Figure 2. Two LT6555s Build a 4-Input Router  
6555f  
10  

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