LT1191

Obsolete

Ultrahigh Speed Operational Amplifier

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Overview

Gain Bandwidth Product, A_V= 1: 90MHz
Slew Rate: 450V/µs
Low Cost
Output Current: ±50mA
Settling Time: 110ns to 0.1%
Differential Gain Error: 0.07%, (R_L= 1k)

Differential Phase Error: 0.02°, (R_L= 1k)
High Open-Loop Gain 20V/mV Min
Single Supply +5V Operation
Output Shutdown

The LT1191 is a video operational amplifier optimized for operation on ±5V and a single 5V supply. Unlike many high speed amplifiers, this amplifier features high open-loop gain, over 90dB, and the ability to drive heavy loads to a full-power bandwidth of 20MHz at 7V_P-P. In addition to its very fast slew rate, the LT1191 features a unity-gain-stable bandwidth of 90MHz.

Because the LT1191 is a true operational amplifier, it is an ideal choice for wideband signal conditioning, fast integrators, active filters, and applications requiring speed, accuracy and low cost.

The LT1191 is available in 8-pin PDIP and SO packages with standard pinouts. The normally unused Pin 5 is used for a shutdown feature that shuts off the output and reduces power dissipation to a mere 15mW.

Applications

Video Cable Drivers
Video Signal Processing
Fast Integrators
Pulse Amplifiers
D/A Current to Voltage Conversion

Documentation

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

Software Resources

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Tools & Simulations

LTspice

Models for the following parts are available in LTspice:

LT1191

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.