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LT1204

更新时间： 2023-12-20 18:44:40
品牌 Logo 应用领域
亚德诺 - ADI 放大器复用器
页数 文件大小 规格书
20页 266K
描述
具 75MHz 电流反馈放大器的 4 输入视频多路复用器

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中文翻译

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LT1204 数据手册

 浏览型号LT1204的Datasheet PDF文件第2页浏览型号LT1204的Datasheet PDF文件第3页浏览型号LT1204的Datasheet PDF文件第4页浏览型号LT1204的Datasheet PDF文件第5页浏览型号LT1204的Datasheet PDF文件第6页浏览型号LT1204的Datasheet PDF文件第7页 
LT1204  
4-Inp ut Vid e o Multip le xe r  
with 75MHz Curre nt  
Fe e d b a c k Am p lifie r  
U
DESCRIPTIO  
EATURE  
S
F
The LT®1204 is a 4-input video multiplexer designed to  
drive 75Ω cables and easily expand into larger routing  
systems. Wide bandwidth, high slew rate, and low differ-  
ential gain and phase make the LT1204 ideal for broadcast  
quality signal routing. Channel separation and disable  
isolation are greater than 90dB up to 10MHz. The channel-  
■
■
■
■
■
■
■
■
■
■
■
■
0.1dB Gain Flatness > 30MHz  
Channel Separation at 10MHz: 90dB  
40mV Switching Transient, Input Referred  
–3dB Bandwidth, AV = 2, RL = 150Ω: 75MHz  
Channel-to-Channel Switching Time: 120ns  
Easy to Expand for More Inputs  
Large Input Range: ± 6V  
to-channel output switching transient is only 40mV ,  
P-P  
0.04% Differential Gain, RL = 150Ω  
0.06° Differential Phase, RL = 150Ω  
High Slew Rate: 1000V/µs  
Output Swing, RL = 400Ω: ±13V  
Wide Supply Range: ±5V to ±15V  
with a 50ns duration, making the transition imperceptible  
on high quality monitors.  
A unique feature of the LT1204 is its ability to expand into  
larger routing matrices. This is accomplished by a patent  
pending circuit that bootstraps the feedback resistors in  
thedisablecondition, raisingthetrueoutputimpedanceof  
the circuit. The effect of this feature is to eliminate cable  
misterminations in large systems.  
O U  
PPLICATI  
S
A
■
Broadcast Quality Video Multiplexing  
Large Matrix Routing  
Medical Imaging  
Large Amplitude Signal Multiplexing  
Programmable Gain Amplifiers  
■
■
■
■
The large input and output signal levels supported by the  
LT1204 when operated on ±15V supplies make it ideal for  
general purpose analog signal selection and multiplexing.  
A shutdown feature reduces the supply current to 1.5mA.  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
U
O
TYPICAL APPLICATI  
All Hostile Crosstalk  
Surface Mount PCB Measurements  
V
IN0  
1
16  
+
V
IN0  
+1  
15V  
V
+
–
75Ω  
75Ω  
75Ω  
75Ω  
75Ω  
V
2
3
15  
14  
O
–20  
–40  
V
OUT  
CFA  
GND  
V = ±15V  
S
V
IN 0  
= GND  
V
IN1  
–
V
R
F
1k  
IN1  
+1  
V
–15V  
V
R
= 0dBm  
= 100Ω  
IN 1,2,3  
L
R
G
1k  
4
5
FB 13  
GND  
–60  
V
IN2  
S/D 12  
ENABLE 11  
A1 10  
V
IN2  
+1  
–80  
6
7
GND  
LOGIC  
–100  
–120  
V
IN3  
V
IN3  
A0  
9
+1  
1
10  
100  
8
REF  
LT1204  
FREQUENCY (MHz)  
1204 TA01  
1204 TA02  
–15V  
6.8k  
8.2k  
1
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中文翻译

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