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LT1229 - Dual 100MHz Current Feedback Amplifiers

The LT1229/LT1230 dual and quad 100MHz current feedback amplifiers are designed for maximum performance in small packages. Using industry standard pinouts, the dual is available in the 8-pin miniDIP and the 8-pin SO package while the quad is in the 14-pin DIP and 14-pin SO. The amplifiers are designed to operate on almost any available supply voltage from 4V (±2V) to 30V (±15V).

These current feedback amplifiers have very high input impedance and make excellent buffer amplifiers. They maintain their wide bandwidth for almost all closed-loop voltage gains. The amplifiers drive over 30mA of output current and are optimized to drive low impedance loads, such as cables, with excellent linearity at high frequencies.

The LT1229/LT1230 are manufactured on Linear Technology’s proprietary complementary bipolar process. For a single amplifier like these see the LT1227 and for better DC accuracy see the LT1223.

Features 100MHz Bandwidth 1000V/µs Slew Rate Low Cost 30mA Output Drive Current 0.04% Differential Gain 0.1° Differential Phase High Input Impedance: 25M ohms, 3pF Wide Supply Range: ±2V to ±15V Low Supply Current: 6mA Per Amplifier Inputs Common Mode to Within 1.5V of Supplies Outputs Swing Within 0.8V of Supplies Typical Application

Applications Video Instrumentation Amplifiers Cable Drivers RGB Amplifiers Test Equipment Amplifiers Packaging