Datasheet LT1187 (Analog Devices)
| 制造商 | Analog Devices |
| 描述 | Low Power Video Difference Amplifier |
| 页数 / 页 | 18 / 1 — FEATURES. DESCRIPTION. APPLICATIONS. TYPICAL APPLICATION. Cable Sense … |
| 文件格式/大小 | PDF / 596 Kb |
| 文件语言 | 英语 |
FEATURES. DESCRIPTION. APPLICATIONS. TYPICAL APPLICATION. Cable Sense Amplifier for Loop Through Connections with DC Adjust
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LT1187 Low Power Video Difference Amplifier
FEATURES DESCRIPTION
n Differential or Single-Ended Gain Block (Adjustable) The LT®1187 is a difference amplifier optimized for opera- n –3dB Bandwidth, AV = ±2: 50MHz tion on ±5V, or a single 5V supply and gain ≥2. This ver- n Slew Rate: 165V/µs satile amplifier features uncommitted high input imped- n Low Supply Current: 13mA ance (+) and (–) inputs, and can be used in differential or n Output Current: ±20mA single-ended configurations. Additionally, a second set n CMRR at 10MHz: 40dB of inputs give gain adjustment and DC control to the dif- n LT1193 Pin Compatible ference amplifier. n Low Cost The LT1187’s high slew rate, 165V/µs, wide bandwidth, n Single 5V Operation 50MHz, and ±20mA output current require only 13mA of n Drives Cables Directly supply current. The shutdown feature reduces the power n Output Shutdown dissipation to a mere 15mW and allows multiple ampli- n Available in 8-Lead PDIP and SO Packages fiers to drive the same cable.
APPLICATIONS
The LT1187 is a low power version of the popular LT1193, and is available in 8-pin miniDIPs and SO packages. For n Line Receivers applications with gains of 10 or more, see the LT1189 n Video Signal Processing data sheet. n Cable Drivers All registered trademarks and trademarks are the property of their respective owners. n Tape and Disc Drive Systems
TYPICAL APPLICATION Cable Sense Amplifier for Loop Through Connections with DC Adjust Closed-Loop Gain vs Frequency
V 40 IN VS = 5V RL = 1k 5V 30 3 + CABLE 7 2 – 6 LT1187 20 1 OUT V DC V + 8 – 4 10 –5V VOLTAGE GAIN (dB) 1k 0 1k –100.1 1 10 100 1187 TA01 FREQUENCY (MHz) 1187 TA02 1187fb For more information www.linear.com/LT1187 1 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information ±5V Electrical Characteristics 5V Electrical Characteristics Typical Performance Characteristics Applications Information Simplified Schematic Package Description Revision History Related Parts
FEATURES DESCRIPTION
n Differential or Single-Ended Gain Block (Adjustable) The LT®1187 is a difference amplifier optimized for opera- n –3dB Bandwidth, AV = ±2: 50MHz tion on ±5V, or a single 5V supply and gain ≥2. This ver- n Slew Rate: 165V/µs satile amplifier features uncommitted high input imped- n Low Supply Current: 13mA ance (+) and (–) inputs, and can be used in differential or n Output Current: ±20mA single-ended configurations. Additionally, a second set n CMRR at 10MHz: 40dB of inputs give gain adjustment and DC control to the dif- n LT1193 Pin Compatible ference amplifier. n Low Cost The LT1187’s high slew rate, 165V/µs, wide bandwidth, n Single 5V Operation 50MHz, and ±20mA output current require only 13mA of n Drives Cables Directly supply current. The shutdown feature reduces the power n Output Shutdown dissipation to a mere 15mW and allows multiple ampli- n Available in 8-Lead PDIP and SO Packages fiers to drive the same cable.
APPLICATIONS
The LT1187 is a low power version of the popular LT1193, and is available in 8-pin miniDIPs and SO packages. For n Line Receivers applications with gains of 10 or more, see the LT1189 n Video Signal Processing data sheet. n Cable Drivers All registered trademarks and trademarks are the property of their respective owners. n Tape and Disc Drive Systems
TYPICAL APPLICATION Cable Sense Amplifier for Loop Through Connections with DC Adjust Closed-Loop Gain vs Frequency
V 40 IN VS = 5V RL = 1k 5V 30 3 + CABLE 7 2 – 6 LT1187 20 1 OUT V DC V + 8 – 4 10 –5V VOLTAGE GAIN (dB) 1k 0 1k –100.1 1 10 100 1187 TA01 FREQUENCY (MHz) 1187 TA02 1187fb For more information www.linear.com/LT1187 1 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information ±5V Electrical Characteristics 5V Electrical Characteristics Typical Performance Characteristics Applications Information Simplified Schematic Package Description Revision History Related Parts