LT1259/LT1260
Low Cost Dual and Triple
130MHz Current Feedback
Amplifiers with Shutdown
FEATURES
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DESCRIPTIO
90MHz Bandwidth on
鹵5V
0.1dB Gain Flatness > 30MHz
Completely Off in Shutdown, 0碌A(chǔ) Supply Current
High Slew Rate: 1600V/碌s
Wide Supply Range:
鹵2V(4V)
to
鹵15V(30V)
60mA Output Current
Low Supply Current: 5mA/Amplifier
Differential Gain: 0.016%
Differential Phase: 0.075擄
Fast Turn-On Time: 100ns
Fast Turn-Off Time: 40ns
14-Pin and 16-Pin Narrow SO Packages
The LT
廬
1259 contains two independent 130MHz current
feedback amplifiers, each with a shutdown pin. These
amplifiers are designed for excellent linearity while driving
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
鹵15V
and draw only 5mA per amplifier when active.
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.
The LT1259/LT1260 amplifiers are manufactured on
Linear Technology鈥檚 proprietary complementary bipolar
process.
, LTC and LT are registered trademarks of Linear Technology Corporation.
APPLICATIO S
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RGB Cable Drivers
Spread Spectrum Amplifiers
MUX Amplifiers
Composite Video Cable Drivers
Portable Equipment
TYPICAL APPLICATIO
2-Input Video MUX Cable Driver
A
V
IN A
R
G
1.6k
CHANNEL
SELECT
EN A
75鈩?/div>
B
Square Wave Response
+
鈥?/div>
1/2 LT1259
R
F
1.6k
75鈩?/div>
CABLE
V
OUT
V
IN B
R
G
1.6k
+
鈥?/div>
EN B
75鈩?/div>
LT1259/60 鈥?TA01
75鈩?/div>
1/2 LT1259
R
F
1.6k
CABLE OUTPUT
R
L
= 150鈩?/div>
f = 30MHz
U
LT1259/50 鈥?TA02
U
U
1
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LT1260CN相關(guān)型號(hào)PDF文件下載
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