FEATURES
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LT1795
Dual 500mA/50MHz
Current Feedback Line Driver
Amplifier
DESCRIPTIO
The LT
廬
1795 is a dual current feedback amplifier with high
output current and excellent large signal characteristics.
The combination of high slew rate, 500mA output drive
and up to
鹵15V
operation enables the device to deliver
significant power at frequencies in the 1MHz to 2MHz
range. Short-circuit protection and thermal shutdown
insure the device鈥檚 ruggedness. The LT1795 is stable with
large capacitive loads and can easily supply the large
currents required by the capacitive loading. A shutdown
feature switches the device into a high impedance, low
current mode, reducing power dissipation when the de-
vice is not in use. For lower bandwidth applications, the
supply current can be reduced with a single external
resistor.
The LT1795 comes in the very small, thermally enhanced,
20-lead TSSOP package for maximum port density in line
driver applications.
, LTC and LT are registered trademarks of Linear Technology Corporation.
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500mA Output Drive Current
50MHz Bandwidth, A
V
= 2, R
L
= 25
鈩?/div>
900V/
碌
s Slew Rate, A
V
= 2, R
L
= 25
鈩?/div>
Low Distortion: 鈥?5dBc at 1MHz
High Input Impedance, 10M鈩?/div>
Wide Supply Range,
鹵5V
to
鹵15V
Full Rate, Downstream ADSL Supported
Power Enhanced Small Footprint Packages
TSSOP-20, S0-20 Wide
Low Power Shutdown Mode
Power Saving Adjustable Supply Current
Stable with C
L
= 10,000pF
APPLICATIO S
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ADSL HDSL2, G.lite Drivers
Buffers
Test Equipment Amplifiers
Video Amplifiers
Cable Drivers
TYPICAL APPLICATION
Low Loss, High Power Central Office ADSL Line Driver
V
+
+IN
+
1/2
LT1795
12.5鈩?/div>
鈥?/div>
1k
1:2*
165鈩?/div>
1k
100鈩?/div>
鈥?/div>
1/2
LT1795
鈥揑N
12.5鈩?/div>
+
V
鈥?/div>
1795 TA01
* MIDCOM 50215 OR EQUIVALENT
U
U
U
1
LT1795IFE 產(chǎn)品屬性
LT1795
74
集成電路 (IC)
Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps
-
電流反饋
2
-
900 V/µs
-
65MHz
10µA
3000µV
29mA
1A
±5 V ~ 15 V
-40°C ~ 85°C
表面貼裝
20-TSSOP（0.173"，4.40mm 寬）裸露焊盤
20-TSSOP-EP
管件
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