LT1194 Video Difference Amplifier UFEATURESDESCRIPTIO ■ Differential or Single-Ended Gain Block: ±10 (20dB) The LT®1194 is a video difference amplifier optimized for ■ – 3dB Bandwidth: 35MHz operation on ±5V and a single 5V supply. The amplifier has ■ Slew Rate: 500V/µs a fixed gain of 20dB and features adjustable input limiting ■ Low Cost to control tough overdrive applications. It has uncommit- ■ Output Current: ±50mA ted high input impedance (+) and (–) inputs, and can be ■ Settling Time: 200ns to 0.1% used in differential or single-ended configurations. ■ CMRR at 10MHz: 45dB The LT1194’s high slew rate 500V/µs, wide bandwidth ■ Differential Gain Error: 0.2% 35MHz, and ±50mA output current make it ideal for ■ Differential Phase Error: 0.08° driving cables directly. This versatile amplifier is easy to ■ Input Amplitude Limiting use for video or applications requiring speed, accuracy ■ Single 5V Operation and low cost. ■ Drives Cables Directly The LT1194 is available in 8-pin PDIP and SO packages. UAPPLICATIO S , LTC and LT are registered trademarks of Linear Technology Corporation. ■ Line Receivers ■ Video Signal Processing ■ Gain Limiting ■ Oscillators ■ Tape and Disc Drive Systems UTYPICAL APPLICATIOWideband Differential Amplifierwith LimitingSine Wave Reduced by Limiting 250Ω 7pF TO 45pF 4 5V 5V 1 11 1µF 8 3 + 7 VOUT INPUT NE592 2 6 1V/DIV 14 – LT1194 OUTPUT 7 5 4 1µF + –5V 8 –5V 1 1k 1k VCONTROL A LT1194 • TA01 V = 1000, –3dB BW = 35MHz LT1193 • TA02 200kHz SINE WAVE WITH VCONTROL = –5V, –4V, –3V, –2V 1
