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LT1259 PDF预览

LT1259

更新时间: 2024-11-24 14:58:03
品牌 Logo 应用领域
亚德诺 - ADI 放大器
页数 文件大小 规格书
12页 329K
描述
具停机功能的低成本、双通道 130MHz 电流反馈放大器

LT1259 数据手册

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LT1259/LT1260  
Low Cost Dual and Triple  
130MHz Current Feedback  
Amplifiers with Shutdown  
U
FEATURES  
DESCRIPTIO  
The LT®1259 contains two independent 130MHz current  
feedback amplifiers, each with a shutdown pin. These  
amplifiersaredesignedforexcellentlinearitywhiledriving  
cables and other low impedance loads. The LT1260 is a  
triple version especially suited to RGB video applications.  
These amplifiers operate on all supplies from single 5V to  
±15V and draw only 5mA per amplifier when active.  
90MHz Bandwidth on ±5V  
0.1dB Gain Flatness >30MHz  
Completely Off in Shutdown, 0µA Supply Current  
High Slew Rate: 1600V/µs  
Wide Supply Range: ±2V(4V) to ±15V(30V)  
60mA Output Current  
Low Supply Current: 5mA/Amplifier  
Differential Gain: 0.016%  
When shut down, the LT1259/LT1260 amplifiers draw  
zero supply current and their outputs become high  
impedance. Only two LT1260s are required to make a  
complete 2-input RGB MUX and cable driver. These  
amplifiers turn on in only 100ns and turn off in 40ns,  
making them ideal in spread spectrum and portable  
equipment applications.  
Differential Phase: 0.075°  
Fast Turn-On Time: 100ns  
Fast Turn-Off Time: 40ns  
14-Pin and 16-Pin Narrow SO Packages  
U
APPLICATIO S  
The LT1259/LT1260 amplifiers are manufactured on  
Linear Technology’s proprietary complementary bipolar  
process.  
RGB Cable Drivers  
Spread Spectrum Amplifiers  
MUX Amplifiers  
Composite Video Cable Drivers  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
Portable Equipment  
U
TYPICAL APPLICATIO  
2-Input Video MUX Cable Driver  
Square Wave Response  
CHANNEL  
SELECT  
A
B
EN A  
V
IN A  
+
75Ω  
R
G
1/2 LT1259  
1.6k  
75Ω  
CABLE  
R
F
1.6k  
V
OUT  
EN B  
75Ω  
V
IN B  
+
75Ω  
R
G
1/2 LT1259  
1.6k  
LT1259/60 • TA01  
R
1.6k  
F
LT1259/50 • TA02  
RL = 150Ω  
f = 30MHz  
1

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