ISL28108FBZ

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ISL28108FBZ Application Field And Working Principle

Linear amplifiers are an important component of modern electronics. From small rectifiers to large instrumentation amplifiers and operational amplifiers, linear amplifiers have a wide range of applications, from precision data acquisition to audio signal processing. The ISL28108FBZ is a dual, low-noise, low-offset instrumentation amplifier from Intersil Corporation. It offers superior amplification performance, providing superior dynamic range and low distortion for high-quality sound reproduction.

Features

• Supports a wide range of gains from 0.1V/V to 200V/V
• Differential voltage range of ±20V
• Wide common-mode input range of ±18V
• Low offset voltage (1mV)
• Low noise (2.5nV/√Hz)
• Low DC error (–50μV offset) and low DC drift (10μV/°C)
• High common-mode rejection ratio (CMRR)
• High overload immunity
• High-precision temperature compensation
• High slew rate (50V/μs)
• Wide bandwidth (9MHz)

Applications

The ISL28108FBZ is used in a variety of different applications, including:

• Audio signal processing
• Precision data acquisition
• Instrumentation amplifiers
• Medical instrumentation
• Power measurement
• Industrial process control
• Automotive sensors
• Remote sensing

Working Principle

The ISL28108FBZ is a dual, low-noise, low-offset instrumentation amplifier. It has two independent gain stages, each of which can be adjusted independently to provide a wide range of gains from 0.1V/V to 200V/V. The differential input voltage range of ±20V and common-mode input range of ±18V allow the amplifier to accommodate a wide range of signal levels. The amplifier also has a high common-mode rejection ratio (CMRR), with a typical value of 90dB, which allows it to reject interfering noise signals in the environment and ensure a clean signal.

The amplifier is protected from overloads with an overload immunity feature, and is protected from high voltages with an ESD protection feature. The amplifier also features low offset voltage (1mV), low noise (2.5nV/√Hz), low DC error (–50μV offset) and low DC drift (10μV/°C); high slew rate (50V/μs); and wide bandwidth (9MHz).

The ISL28108FBZ is an ideal choice for applications that require high-precision data acquisition, sound reproduction, and signal processing. Its low noise and low offset provide superior dynamic range and low distortion, while its high overload immunity and ESD protection make it well-suited for industrial and automotive applications.

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