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参数资料
| 型号： | LT1675CMS8-1 |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 运动控制电子 |
| 英文描述： | 250MHz, Triple and Single RGB Multiplexer with Current Feedback Amplifiers |
| 中文描述： | 2-CHANNEL, VIDEO MULTIPLEXER, PDSO8 |
| 封装： | PLASTIC, MSOP-8 |
| 文件页数： | 13/16页 |
| 文件大小： | 326K |
| 代理商： | LT1675CMS8-1 |
13
LT1675/LT1675-1
TYPICAL APPLICATIO S
Logo or “Bug” Inserter
RED
VIDEO IN
GREEN
BLUE
113
75
75
75
CABLE
CABLE
CABLE
V
+
V
–
SELECT
SELECT A
SELECT B
1675 TA05
ENABLE
75
75
75
V
OUT RED
113
LT1675
113
V
OUT GREEN
V
OUT BLUE
+1
+1
+2
+2
+2
+1
+1
+1
+1
226
V
+
V
–
SELECT
ENABLE
226
LT1675
B
A
226
+1
+1
+2
+2
+2
+1
+1
+1
+1
10k
10k
LT1634
5V
0.714V
1.25V
SELECT A
0
0
1
1
SELECT B
0
1
0
1
OUTPUT
NO VIDEO, 100% WHITE
VIDEO PLUS 66% WHITE
VIDEO PLUS 33% WHITE
VIDEO, NO WHITE
set the relative bit weights. The output of the LT1675
labeled B in the schematic is one half the weight of the A
device. To properly match the 75
video cable, the output
resistors are selected so the parallel combination of the
two is 75 ohms. The output will never exceed peak white,
which is 0.714V for this NTSC-related RGB video. The
reference white signal is adjustable to lower than peak
white to make the effect less intrusive, if desired.
This circuit highlights a section of the picture under
control of a synchronous key signal. It can be used for
adding the logo (also called a “bug”) you see in the bottom
corner of commercial television pictures or any sort of
overlay signal, such as a crosshair or a reticule. The key
signal has 2 bits of control so there can be four levels of
highlighting: unmodified video, video plus 33% white,
video plus 66% white and 100% white. The two LT1675s
are configured as a 2-bit DAC. The resistors on the outputs
相关PDF资料 |
PDF描述 |
|---|---|
| LT1675CGN | 250MHz, Triple and Single RGB Multiplexer with Current Feedback Amplifiers |
| LT1675CS8-1 | 250MHz, Triple and Single RGB Multiplexer with Current Feedback Amplifiers |
| LT1676C | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| LT1676CN8 | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| LT1676IN8 | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LT1675CMS8-1#PBF | 功能描述:IC MUX RGB SGL HS W/CFA 8-MSOP RoHS:是 类别:集成电路 (IC) >> 线性 - 视频处理 系列:- 产品变化通告:Product Discontinuation 07/Mar/2011 标准包装:3,000 系列:OMNITUNE™ 类型:调谐器 应用:移动电话，手机，视频显示器 安装类型:表面贴装 封装/外壳:65-WFBGA 供应商设备封装:PG-WFSGA-65 包装:带卷 (TR) 其它名称:SP000365064 |
| LT1675CMS8-1#TR | 功能描述:IC MUX RGB TRIPLE 250MHZ 8MSOP RoHS:否 类别:集成电路 (IC) >> 线性 - 视频处理 系列:- 产品变化通告:Product Discontinuation 07/Mar/2011 标准包装:3,000 系列:OMNITUNE™ 类型:调谐器 应用:移动电话，手机，视频显示器 安装类型:表面贴装 封装/外壳:65-WFBGA 供应商设备封装:PG-WFSGA-65 包装:带卷 (TR) 其它名称:SP000365064 |
| LT1675CMS8-1#TRPBF | 功能描述:IC MUX RGB SGL HS W/CFA 8-MSOP RoHS:是 类别:集成电路 (IC) >> 线性 - 视频处理 系列:- 产品变化通告:Product Discontinuation 07/Mar/2011 标准包装:3,000 系列:OMNITUNE™ 类型:调谐器 应用:移动电话，手机，视频显示器 安装类型:表面贴装 封装/外壳:65-WFBGA 供应商设备封装:PG-WFSGA-65 包装:带卷 (TR) 其它名称:SP000365064 |
| LT1675CS8-1 | 功能描述:IC MUX RGB HI-SPEED SINGLE 8SOIC RoHS:否 类别:集成电路 (IC) >> 线性 - 视频处理 系列:- 产品变化通告:Product Discontinuation 07/Mar/2011 标准包装:3,000 系列:OMNITUNE™ 类型:调谐器 应用:移动电话，手机，视频显示器 安装类型:表面贴装 封装/外壳:65-WFBGA 供应商设备封装:PG-WFSGA-65 包装:带卷 (TR) 其它名称:SP000365064 |
| LT1675CS8-1#PBF | 功能描述:IC MUX RGB HI-SPEED SINGLE 8SOIC RoHS:是 类别:集成电路 (IC) >> 线性 - 视频处理 系列:- 产品变化通告:Product Discontinuation 07/Mar/2011 标准包装:3,000 系列:OMNITUNE™ 类型:调谐器 应用:移动电话，手机，视频显示器 安装类型:表面贴装 封装/外壳:65-WFBGA 供应商设备封装:PG-WFSGA-65 包装:带卷 (TR) 其它名称:SP000365064 |
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