LT6375IDF#TRPBF

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LT6375IDF#TRPBF is a fully differential amplifier manufactured by Linear Technology. Its main function is voltage and current regulation along with high accuracy, low noise performance with high bandwidth. The LT6375IDF#TRPBF is part of the family of instrumentation, operational amplifiers, buffer amplifiers and it is ideal for low-power and DC applications, like automatic gain control, level shifting, filters or voltage and current regulator.

In this section we will first look into LT6375IDF#TRPBF application field, followed by its working principle.

Application Field

LT6375IDF#TRPBF is very suitable for a diverse range of applications because of its numerous features and functions. Some of its application field includes, but not limited to:

• Battery-Powered Instruments
• Portable Instrumentation
• High-Integrity Transmitters and Receivers
• Data Converters
• ADC Buffer Amplifier
• On-Board, On-Chip drives and regulators in portable systems
• Power and signal Line Drivers
• Switch matrix control circuits

LT6375IDF#TRPBF stands out with its high performance characteristics such as its wide bandwidth, low distortion, and awesome signal to noise ratio. One of the most important feature is the fully buffered outputs that neither require an external filter or have generate excessive feedback voltage that interfere with other functions.

Working Principle

LT6375IDF#TRPBF is a fully differential amplifier which uses CMOS and BiCMOS technology to achieve improved performance and reliability under low-power conditions. It consists of a differential amplifier and current driver, output common-mode controller, interface circuitry for power-supply control and control logic.

The differential amplifier measures the voltage between its two inputs and amplifies it to a proportionately higher output. The current driver converts the input voltage into an equivalent output current at the common-terminal of the driver, and thus provides a positive and negative voltage amplifier. This allows the amplifier to drive large capacitances, simplify power supply design and improve the noise performance of the system.

The output common-mode controller is used to compensate the amplifier\'s response to large common-mode Swing to ensure that its output voltage remains within a certain range. The on-chip control logic module allow the amplifier to operate in one of two modes: gain-controlled mode or non-gain-controlled mode. This is accomplished by sourcing current to the input common-mode controller of the amplifier. In the gain-controlled mode, the differential-input voltage is adjusted to maintain the required output level. In the non-gain-controlled mode the amplifier has a fixed gain.

The interface circuitry of the amplifier provides the ability to externally control the current sources used to regulate the output common-mode voltage. It also allows the amplifier to be connected to different power-supply types and configurations, as well as for the use of multiple power supplies. Finally, the control logic module enables the amplifier to operate in either open-loop or closed-loop gain control mode.

The LT6375IDF#TRPBF is a flexible and efficient differential amplifier that provides excellent performance in a wide range of applications such as switch matrix control circuits, power and signal line drivers, on-board, on-chip drives and regulators, ADC buffer amplifiers

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