LT2179IS#PBF

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LT2179IS#PBF (LT2179IS-PBF) is a high-performance, precision, rail-to-rail input/output instrumentation amplifier from the LT2179 family. This instrumentation amplifier features exceptionally low offset voltage, wide bandwidth and low distortion performance. The unique combination of features makes it ideal for a variety of applications, including low voltage and zero-crossing detection, frequency discrimination, AC and DC measurement, and pulse amplitude tracking.

LT2179IS#PBF Application Fields

The LT2179IS#PBF is ideal for use in high-precision, low-voltage instrumentation amplifiers, where its wide bandwidth and low distortion performance makes it suitable for data acquisition, precision analog control, test and measurement, and high-precision motor control.

The amplifier is also used in wide-dynamic range amplifier circuits for low-frequency oscilloscope measurements. It provides excellent accuracy for measuring small variations of high-amplitude, low-bandwidth signals, such as those found in IR data systems, medical ultrasound imaging, vibration analysis, and wide-bandwidth audio.

The LT2179IS#PBF also offers rail-to-rail input/output operation, enabling measurement of wide dynamic range signals in systems with limited headroom. The amplifier also provides excellent rejection of common-mode voltage, eliminating the need for external common-mode cancellation circuits.

LT2179IS#PBF Working Principle

The LT2179IS#PBF is a differential input-only instrumentation amplifier with rail-to-rail output capability. This amplifier utilizes a high-gain bandwidth operational amplifier as the building block for its precision gain stage. The amplifier is designed to achieve a gain of up to 100V/V with stable operation and minimal offset voltage over temperature.

The input stage of the amplifier is implemented using an ultralow-noise, high-gain, high-impedance differential amplifier. This amplifier is used to minimize the input impedance of the amplifier, while providing high common-mode rejection and wide dynamic range input capability. The output stage is controlled by two variable-gain stages which provide adjustable gain of the amplifier up to a maximum of 100V/V.

The unique combination of features makes the LT2179IS#PBF an ideal solution for a variety of instrumentation applications. With its wide bandwidth, rail-to-rail operation, and low distortion, the LT2179IS#PBF is an ideal choice for precision low-voltage and zero-crossing detection, frequency discrimination, AC and DC measurement, and pulse amplitude tracking.

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