LT1124AMPS8#PBF

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The LT1124AMPS8#PBF is a precision amplifier designed for instrumentation applications, as well as for voltage and current buffering used in test and measurement systems. It has low input bias currents, draws low supply current speeds, and provides a wide range of features that make it well-suited for a variety of applications in a wide range of industries.

Applications
The LT1124AMPS8#PBF is well suited for the precision gain and level shifting of instrumentation signals, as well as in environments where minimum input and output disturbances are desired. It is an ideal solution for electrical interfacing to linear sensors, such as strain gauges and RTD’s. It includes features that enable very high slewing rates, making it useful in applications such as IF and audio amplifiers, as well as for power amplifiers.

Working Principle
The LT1124AMPS8#PBF is a low-power monolithic amplifier designed to provide low offset, low drift, and fast settling performance. The device operates from a single +2.7V to +11V supply, and its rail-to-rail inputs and outputs let it drive capacitive loads directly from a low-voltage rail.

The LT1124AMPS8#PBF also features a high dc gain of 100dB and a programmable feedback architecture that provides a wide gain range of up to 4kV/V. The LT1124AMPS8#PBF provides a low noise figure of only 6.5 nV/√Hz and a wide gain-bandwidth product of 5MHz.

In addition, the LT1124AMPS8#PBF has a slew rate of 7.5V/µs, which ensures ample speed for dynamically demanding applications. It offers excellent phase margin at all frequencies, and its high slew rate allows it to track fast signals without phase lag or loss of accuracy.

The device is built with an internal JFET input stage and a gain stage utilizing low-power scalable HBT or BJT current sources. This arrangement eliminates large resistors and capacitors required for most chopper amplifiers, resulting in improved stability and precision.

The LT1124AMPS8#PBF is also designed for low power consumption as it uses about 20 times less current than most bridge amplifiers, reducing the risk of heating and guaranteeing extended battery life. All these advantages make the LT1124AMPS8#PBF a great option for low power, precision gain and buffering applications.

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