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LT1187CN8 Datasheet(PDF) 1 Page - Linear Technology |
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LT1187CN8 Datasheet(HTML) 1 Page - Linear Technology |
1 / 16 page LT1187 1 1187fa TYPICAL APPLICATION FEATURES APPLICATIONS DESCRIPTION Low Power Video Difference Amplifier The LT ®1187 is a difference amplifier optimized for op- eration on ±5V, or a single 5V supply and gain ≥2. This versatile amplifier features uncommitted high input imped- ance (+) and (–) inputs, and can be used in differential or single-ended configurations. Additionally, a second set of inputs give gain adjustment and DC control to the difference amplifier. The LT1187’s high slew rate, 165V/ms, wide bandwidth, 50MHz, and ±20mA output current require only 13mA of supply current. The shutdown feature reduces the power dissipation to a mere 15mW and allows multiple amplifiers to drive the same cable. The LT1187 is a low power version of the popular LT1193, and is available in 8-pin miniDIPs and SO packages. For applications with gains of 10 or more, see the LT1189 data sheet. Cable Sense Amplfier for Loop Through Connections with DC Adjust ■ Differential or Single-Ended Gain Block (Adjustable) ■ –3dB Bandwidth, AV = ±2: 50MHz ■ Slew Rate: 165V/µs ■ Low Supply Current: 13mA ■ Output Current: ±20mA ■ CMRR at 10MHz: 40dB ■ LT1193 Pin Compatible ■ Low Cost ■ Single 5V Operation ■ Drives Cables Directly ■ Output Shutdown ■ Available in 8-Lead PDIP and SO Packages ■ Line Receivers ■ Video Signal Processing ■ Cable Drivers ■ Tape and Disc Drive Systems , LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. LT1187 • TA01 CABLE DC V 5V 7 6 LT1187 –5V 4 + + 3 1 – – 2 8 1k OUT V IN V 1k FREQUENCY (MHz) 0 10 20 30 40 0.1 10 100 LT1187 • TA02 –10 1 VS = ±5V RL = 1k Closed-Loop Gain vs Frequency |
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