ISL28258FUZ

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The ISL28258FUZ is a high-precision, wide-swing, low power, dual-channel, fully differential amplifier. This amplifier is designed for instrumentation, buffering, and precision gain accuracy provided that it is stable and low-noise. It is also an advanced, low-noise, linear amplifier and is suitable for a wide range of applications, from lab equipment to process control.

Application Field

The ISL28258FUZ features a low distortion, high slew rate, and wide bandwidth that makes it suitable for a wide range of applications. It can be used in audio equipment, medical instrumentation, laboratory electronics, and aerospace/defense systems. This amplifier is ideal for signal conditioning applications as it is capable of amplifying and/or attenuating signal levels, while maintaining precision gain accuracy. Additionally, it is well-suited for low-impedance transimpedance applications, transducer signal conditioning, and precision differential-to-single-ended signal translation.

Working Principle

The ISL28258FUZ utilizes two complementary, symmetrically-layered junction field-effect transistors (JFETs) to ensure high precision, wide input and output swings, as well as, low distortion. The dual channels feature two independent JFETs that are connected in parallel to provide higher output current than a single-channel amplifier. Moreover, the low output impedance of the amplifier enables it to drive expensive loads such as current measuring transducers, actuation motors, power amplifiers, and more.

The ISL28258FUZ has an internal gain network, which allows it to provide an adjustable common-mode and differential-mode gain up to 200V/V. It features four independent single-ended voltage inputs, two positive and two negative, that can be controlled in parallel from a single supply and with a single gain setting. The amplifier has two differentially coupled outputs that are capable of providing low distortion, high slew rate, low noise, and low power performance. The amplifier also has a temperature coefficient, which reduces temperature drift in gain, making it ideal for temperature-dependent processes.

The ISL28258FUZ is a versatile and powerful amplifier that is suitable for a wide range of applications. Its wide range of features and performance characteristics make it an ideal choice for precision gain accuracy and low-noise linear amplifying applications.

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