ISL28325FBZ

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The ISL28325FBZ is a low power, low noise, high precision instrumentation amplifier that can target a wide range of applications, such as audio, medical, industrial, and many others. This amplifier has excellent noise and offset performance, making it well-suited for precision circuitry requiring low input bias and low offset. Additionally, the ISL28325FBZ has a low power consumption, making it an ideal choice for battery operated applications.

The ISL28325FBZ is a monolithic amplifier based on Intersil\'s BiCMOS process. It is designed to offer low offset, noise and drift while maintaining high accuracy and efficiency. This amplifier consists of four sections: the input stage, gain stage, output stage and power stage. The input stage consists of a pair of complementary MOSFET (CMOS) transistors with matched characteristics to achieve low offset, gain non-linearity, and low noise performance. The gain stage is composed of JFET input stages and has gain control with a single resistor. The output stage is comprised of complementary MOSFET (CMOS) transistors and offers low distortion, low noise, and rail to rail outputs. Finally, the power stage consists of dedicated circuits that provide regulated power, temperature compensation, and improved settling behavior.

The ISL28325FBZ can be used in a wide range of applications, including 4-20 mA transducers, data logging systems, medical instrumentation, and test and measurement applications. It is particularly useful for medical instrumentation applications, providing excellent accuracy and low input/output bias and offset. Additionally, the low power consumption of the ISL28325FBZ makes it well-suited for battery-powered applications. In audio applications, the ISL28325FBZ can be used to achieve low-noise low-distortion performance.

In terms of features and specifications, the ISL28325FBZ provides excellent performance. It has a maximum slew rate of 20 V/µs and a closed loop gain bandwidth of 10 MHz. The amplifiers power supply range is from +10 V to +18 V and the maximum output voltage swing is +/-7V. The amplifier is rated for an operating temperature range of -40 °C to +85 °C. The input common mode voltage range is from -7V to +7V, and the input offset voltage is less than 7mV.

The ISL28325FBZ is easy to use and can be controlled from a single resistor. It has eight pins, two of which are the input signals, four of which are the power input pins, and two are the output pins. The unit can be used in single-supply or dual-supply operation. Single-supply operation allows the device to operate from a single power supply from +10 V to +18 V, while dual-supply operation requires two power supply voltages and allows the device to operate from +10 V to +18 V and -10 V to -18 V.

In summary, the ISL28325FBZ is an excellent choice for linear applications that require low-noise, low-distortion, and high performance. It is a low power, low noise, high precision instrumentation amplifier that can target a wide range of applications. This IC is particularly well-suited for medical instrumentation, test and measurement, audio, and many other applications. It features low noise, low offset, and excellent accuracy, making it an ideal choice for precision circuitry. Additionally, it is easy to use and can be controlled from a single resistor.

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