LT1189

PRODUCTION

Low Power Video Difference Amplifier

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Overview

  • Differential or Single-Ended Gain Block (Adjustable)
  • -3dB Bandwidth, AV = ±10: 35MHz
  • Slew Rate: 220V/µs
  • Low Supply Current: 13mA
  • Output Current: ± 20mA
  • CMRR at 10MHz: 48dB
  • LT1193 Pin Out
  • Low Cost
  • Single 5V Operation
  • Drives Cables Directly
  • Output Shutdown

The LT1189 is a difference amplifier optimized for operation on ±5V, or a single 5V supply, and gain ≥10. This versatile amplifier features uncommitted high input impedance (+) 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 LT1189’s high slew rate, 220V/µs, wide bandwidth, 35MHz, and ±20mA output current require only 13mA of supply current. The shutdown feature reduces the power dissipation to a mere 15mW, and allows multiple ers to drive the same cable.

The LT1189 is a low power, gain of 10 stable version of the popular LT1193, and is available in 8-pin mini DIPs and SO packages. For lower gain applications see the LT1187 data sheet.

Applications

  • Line Receivers
  • Video Signal Processing
  • Cable Drivers
  • Tape and Disc Drive Systems

LT1189
Low Power Video Difference Amplifier
Cable Sense Amplifier for Loop Through Connections with DC Adjust Closed-Loop Gain vs Frequency Product Package 1
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Documentation

Data Sheet 1

Reliability Data 1

User Guide 1

Data Sheet

This is the most up-to-date revision of the Data Sheet.

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Tools & Simulations

LTspice


Models for the following parts are available in LTspice:

  • LT1189
LTspice

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.


Evaluation Kits

eval board
DC417B

DIP8, MS8, S8, SOT23-6 | Multi-Footprint General Purpose Board for Single Op. Amp

Product Details

DC417B: Demo Board


 


DC417B
DIP8, MS8, S8, SOT23-6 | Multi-Footprint General Purpose Board for Single Op. Amp
DC417B Demo Board DC417B Demo Board DC417B Demo Board DC417B Demo Board DC417B - Schematic

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