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AD8180AR

更新时间： 2024-01-19 06:15:02
品牌 Logo 应用领域
亚德诺 - ADI 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
12页 256K
描述
750 MHz, 3.8 mA 10 ns Switching Multiplexers

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中文翻译

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AD8180AR 技术参数

是否无铅： 含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：SOIC
包装说明：SOP, SOP8,.25针数：8
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.4
模拟集成电路 - 其他类型：VIDEO MULTIPLEXERJESD-30 代码：R-PDSO-G8
JESD-609代码：e3长度：4.9 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）：-4 V标称负供电电压 (Vsup)：-5 V
信道数量：2功能数量：1
端子数量：8标称断态隔离度：89 dB
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：SOP
封装等效代码：SOP8,.25封装形状：RECTANGULAR
封装形式：SMALL OUTLINE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：1.75 mm子类别：Multiplexer or Switches
最大供电电流 (Isup)：4.75 mA最大供电电压 (Vsup)：6 V
最小供电电压 (Vsup)：4 V标称供电电压 (Vsup)：5 V
表面贴装：YES最长接通时间：10 ns
技术：BIPOLAR温度等级：INDUSTRIAL
端子面层：Matte Tin (Sn)端子形式：GULL WING
端子节距：1.27 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

AD8180AR 数据手册

 浏览型号AD8180AR的Datasheet PDF文件第5页浏览型号AD8180AR的Datasheet PDF文件第6页浏览型号AD8180AR的Datasheet PDF文件第7页浏览型号AD8180AR的Datasheet PDF文件第9页浏览型号AD8180AR的Datasheet PDF文件第10页浏览型号AD8180AR的Datasheet PDF文件第11页 
AD8180/AD8182  
APPLICATIONS  
Multiplexing two RGB Video Sources  
With no signal present, the total quiescent current of the cir-  
cuit in Figure 23 is 25.6 mA (3.8 mA + 6.8 mA + 3 × 5 mA), or  
about 8.5 mA per channel. If either the AD8013 or AD8073  
are used, the quiescent current will decrease to about 6.5 mA  
per channel.  
A common video application requires two RGB sources to be  
multiplexed together before the selected signal is applied to a  
monitor. Typically one source would be the PC’s normal output,  
the second source might be a specialized source such as MPEG  
video. Figure 23 shows how such a circuit could be realized  
using the AD8180 and AD8182 and three current feedback op  
amps. The video inputs to the multiplexers are terminated with  
75 Ω resistors. This has the effect of halving the signal amplitude  
of the applied signals.  
To reduce power consumption further, three AD8011 single  
op amps can be used. With a quiescent current of 1 mA, this  
will reduce the per channel quiescent current to about 4.5 mA.  
Table II. Amplifier Options for RGB Multiplexer  
Op Amp Comments  
Because all three multiplexers are permanently active, the  
ENABLE pins are tied permanently low. The three SELECT  
pins are tied together and this signal is used to select the source.  
In order to drive a 75 Ω back terminated load (RL = 150 Ω), the  
multiplexer outputs are buffered using the AD8001 current feed-  
back op amp. A gain of two compensates for the signal halving by  
the AD8001 output back termination resistor so that the system  
has an overall gain of unity.  
AD8001 Highest Bandwidth, 440 MHz (G = +2), ISY = 5 mA  
AD8011 Lower Power Consumption, Bandwidth (G = +2) =  
210 MHz, ISY = 1 mA  
AD8013 Triple Op Amp, Bandwidth (G = +2) = 140 MHz,  
ISY = 3.4 mA  
AD8073 Lower Power Triple Op Amp, Bandwidth (G = +2) =  
100 MHz, ISY = 3.5 mA  
If lower speed and crosstalk can be tolerated, either of the triple  
op amps, AD8013 or AD8073, can replace the three AD8001 op  
amps in the above circuit. Because both devices have bandwidths  
in the 100 MHz to 140 MHz range at a gain of +2, these ampli-  
fiers will dominate the frequency response of the circuit.  
681⍀  
681⍀  
681⍀  
681⍀  
+V  
S
10␮F  
+
0.1␮F  
MPEG  
75⍀  
AD8001  
R
G
B
0.1␮F  
75⍀  
8
7
6
5
1
2
3
4
+1  
10␮F  
+
ENABLE  
DECODER  
–V  
S
+1  
75⍀  
681⍀  
+V  
AD8180  
–V  
S
S
+V  
S
10␮F  
0.1␮F  
0.1␮F  
+
+
+
R
G
B
0.1␮F  
10␮F  
10␮F  
75⍀  
1
2
3
4
5
6
7
14  
13  
12  
11  
10  
9
+1  
75⍀  
MONITOR  
ENABLE A  
AD8001  
DECODER  
0.1␮F  
0.1␮F  
0.1␮F  
+1  
75⍀  
10␮F  
AD8182  
+
+
+
+V  
–V  
S
S
75⍀  
10␮F  
+1  
–V  
10␮F  
S
DECODER  
ENABLE B  
681⍀  
75⍀  
+1  
8
+V  
S
10␮F  
+
R
G
B
0.1␮F  
COMPUTER  
GRAPHICS  
R
TERM  
75⍀  
AD8001  
0.1␮F  
10␮F  
+
SELECT  
–V  
S
Figure 23. Multiplexing Two Component Video Sources  
REV. B  
–8–  
1...56789101112

中文翻译

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