ISL28218FUZ-T13

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ISL28218FUZ-T13 is a dual, high-performance, low-noise instrumentation amplifier. It is designed to provide an excellent combination of low noise and high common mode rejection (CMR). This amplifier features unity-gain stability, wide gain-bandwidth (1.2GHz) and low-noise (5.5nV/√Hz).

Application Field

The ISL28218FUZ-T13 is widely used in a variety of applications including medical, industrial and consumer electronics. Its noise performance is particularly useful for applications like ECG, EEG and blood pressure monitors. The low distortion of the ISL28218FUZ-T13 is also suitable for instrumentation, acoustic measurement and electrochemical measurements. In addition, it can be used in inspection and process control applications needing low-noise amplification.

Working Principle

The ISL28218FUZ-T13 basic circuit includes an inverting amplifier and a non-inverting amplifier. The two amplifier stages are connected together in a differential configuration. The input stage is based on differential pairs that reject common-mode signals while passing the differential signals. The differential signals are then amplified by the internal amplifiers. The gain of the circuit is set by external resistors connected to the inputs and outputs of the amplifier. By adjusting the resistors, the output of the amplifier can be calculated precisely and accurately.

The amplifier has excellent common-mode rejection due to its differential configuration. The CMR of the amplifier is improved with an additional input stage that is equipped with common-mode stabilization capacitors. The capacitors help to reduce the noise from the input signals. This provides the amplifier with an improved overall noise performance.

The ISL28218FUZ-T13 has an output stage which is designed to drive a high capacitive load without introducing distortion in the amplified signal. The output stage is also designed to eliminate crossover distortion which results in high-quality outputs. Furthermore, the amplifier includes built-in protection features such as thermal shutdown and reverse polarity voltage protection. The amplifier also includes a power on reset feature, which prevents incorrect parameters from powering up the amplifier.

Conclusion

In conclusion, the ISL28218FUZ-T13 is an excellent instrumentation amplifier that can offer excellent performance in a variety of applications. It is designed to have low noise, high bandwidth, and high CMR. The amplifier also includes a variety of protection features that makes it suitable for a variety of demanding applications. With its excellent noise performance, wide bandwidth, and environmental protection features, the ISL28218FUZ-T13 is an ideal choice for a variety of instrumentation and test applications.

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