参数资料
| 型号： | LT6555CUF#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 2/16页 |
| 文件大小： | 0K |
| 描述： | IC VIDEO MULTIPLEXER 2X1 24QFN |
| 标准包装： | 91 |
| 功能： | 视频多路复用器 |
| 电路： | 3 x 2:1 |
| 电压电源： | 双电源 |
| 电压 - 电源，单路/双路(±)： | ±2.25 V ~ 6 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-WFQFN 裸露焊盘 |
| 供应商设备封装： | 24-QFN 裸露焊盘（4x4） |
| 包装： | 管件 |
| 产品目录页面： | 1321 (CN2011-ZH PDF) |
LT6555
10
6555f
To maintain the LT6555’s channel isolation, it is beneficial
to shield parallel input and parallel output traces using a
ground plane or power supply traces. Vias between topside
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.
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
after the 75
seriestermination,asshowninFigure2. The
compromise of this approach is that the internal gain
setting resistors cause a 435
shuntacrossthe75cable
termination, resulting in increased gain error.
APPLICATIO S I FOR ATIO
WU
UU
Figure 3. Disabled Amplifiers Load the Cable
Termination with 435
Each
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:
Gain Error (dB) = 6dB + 20log
435
n–1
+
75
435
1
75
n
dB
–
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.
Figure 2. Two LT6555s Build a 4-Input Router
IN1A
IN1B
IN1C
IN1D
CHIP
SELECT
6555 F02
EN
LT6555 #1
75
AV = 2
LT6555 #2
74HC04
EN
75
OUT
AV = +2
75
CABLE
75
R2
75
6555 F03
360
IN1A
IN1C
IN1B
IN1D
75
1/3 LT6555 #1
1/3 LT6555 #2
360
OFF
360
360
OFF
360
75
75
360
OFF
360
360
ON
435
n – 1
n = NUMBER OF LT6555s
IN PARALLEL
.
n
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT6555IGN | 制造商:Linear Technology 功能描述:Video Multiplexer 24-Pin SSOP N |
| LT6555IGN#PBF | 功能描述:IC VIDEO MULTIPLEXER 2X1 24SSOP RoHS:是 类别:集成电路 (IC) >> 接口 - 模拟开关，多路复用器，多路分解器 系列:- 其它有关文件:STG4159 View All Specifications 标准包装:5,000 系列:- 功能:开关 电路:1 x SPDT 导通状态电阻:300 毫欧 电压电源:双电源 电压 - 电源，单路/双路(±):±1.65 V ~ 4.8 V 电流 - 电源:50nA 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:7-WFBGA，FCBGA 供应商设备封装:7-覆晶 包装:带卷 (TR) |
| LT6555IGN#TRPBF | 功能描述:IC VIDEO MULTIPLEXER 2X1 24SSOP RoHS:是 类别:集成电路 (IC) >> 接口 - 模拟开关，多路复用器，多路分解器 系列:- 其它有关文件:STG4159 View All Specifications 标准包装:5,000 系列:- 功能:开关 电路:1 x SPDT 导通状态电阻:300 毫欧 电压电源:双电源 电压 - 电源，单路/双路(±):±1.65 V ~ 4.8 V 电流 - 电源:50nA 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:7-WFBGA，FCBGA 供应商设备封装:7-覆晶 包装:带卷 (TR) |
| LT6555IUF | 制造商:LINER 制造商全称:Linear Technology 功能描述:650MHz Gain of 2 Triple 2:1Video Multiplexer |
| LT6555IUF#PBF | 功能描述:IC VIDEO MULTIPLEXER 2X1 24QFN RoHS:是 类别:集成电路 (IC) >> 接口 - 模拟开关，多路复用器，多路分解器 系列:- 应用说明:Ultrasound Imaging Systems Application Note 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:250 系列:- 功能:开关 电路:单刀单掷 导通状态电阻:48 欧姆 电压电源:单电源 电压 - 电源，单路/双路(±):2.7 V ~ 5.5 V 电流 - 电源:5µA 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:48-LQFP 供应商设备封装:48-LQFP（7x7） 包装:托盘 |
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