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LT1795

Part Number	LT1795
Manufacturer	Linear Technology
Description	Dual 500mA/50MHz Current Feedback Line Driver Amplifier
Published	Mar 22, 2005
Detailed Description	FEATURES s s s s s s s s LT1795 Dual 500mA/50MHz Current Feedback Line Driver Amplifier DESCRIPTIO The LT®1795 is a dua...
Datasheet	LT1795 PDF File

Overview

FEATURES s s s s s s s s LT1795 Dual 500mA/50MHz Current Feedback Line Driver Amplifier DESCRIPTIO The LT®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 ±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’s 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 device 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.
s s s U APPLICATIO S s s s s s 500mA Output Drive Current 50MHz Bandwidth, AV = 2, RL = 25Ω 900V/µs Slew Rate, AV = 2, RL = 25Ω Low Distortion: –75dBc at 1MHz High Input Impedance, 10MΩ Wide Supply Range, ±5V to ±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 CL = 10,000pF 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.
5Ω – 1k 1:2* 165Ω 1k 100Ω – 1/2 LT1795 –IN 12.
5Ω + V– 1795 TA01 * MIDCOM 50215 OR EQUIVALENT U U 1 LT1795 ABSOLUTE AXI U RATI GS Supply Voltage .
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±18V Input Current .
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±15mA Output Short-Circuit Duration (Note 2) .
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Indefinite Operating Te...

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