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LT1795 - Dual 500mA/50MHz Current Feedback Line Driver Amplifier

The LT1795 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.

Features 500mA Output Drive Current 50MHz Bandwidth, AV = 2, RL = 25 Ohms 900V/µs Slew Rate, AV= 2, RL = 25 Ohms Low Distortion: -75dBc at 1MHz High Input Impedance, 10MOhms Wide Supply Range, ±5V to ±15V Full Rate, Downstream ADSL Supported Low Power Shutdown Mode Power Saving Adjustable Supply Current Stable with CL = 10,000pF Power Enhanced Small Footprint Packages TSSOP-20, S0-20 Wide Available in a 20-Lead TSSOP Package Typical Application

Applications ADSL HDSL2, G.lite Drivers Buffers Test Equipment Amplifiers Video Amplifiers Cable Drivers Packaging

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