OP97FP

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An OP97FP is an operational amplifier of the type known as an instrumentation amplifier. It is specifically designed for precision applications in industrial, medical, and automotive systems, where very low offset and residual errors are required. It is also used for AC/DC and DC/DC conversion, AC/AC conversion, and A/D and D/A conversion.

Overview

The OP97FP is an instrumentation amplifier consisting of a low-noise, low-power dual op-amp. The two amplifiers are internally connected in series to provide a gain of up to 10 V/V in a wide frequency range. It has an extremely low offset voltage of 10 μV max and a very low input bias current of 10 pA max, which makes it ideal for precision industrial applications. It also has very low distortion and a high common-mode rejection ratio, which eliminates the need for external compensation.

Features

• Low noise: 10 μV max offset and 10 pA max input bias current.
• High gain bandwidth product: Up to 10 V/V in a wide frequency range.
• Low level distortion: Up to 0.5%.
• High common-mode rejection ratio: Over 60 dB.
• High output current: 25 mA.
• Low power consumption: Less than 500 µW.
• Wide supply voltage range: +8V to +30V.

Applications

The OP97FP is a versatile IC suitable for a wide range of precision applications. It can be used for AC/DC and DC/DC conversion, AC/AC conversion, analog-to-digital and digital-to-analog conversion, noise rejection filtering, active bridges, current sensing, level shifting, instrumentation amplifiers, active filters, and medical applications.

Working Principle

The OP97FP uses the dual operational amplifier architecture to achieve high performance with low power. The operational amplifiers are connected in series, with the non-inverting inputs connected to each other. The output voltage is the sum of the two inputs, multiplied by the gain of the amplifier. The common-mode rejection ratio of the OP97FP ensures that any signal that is common to both inputs is out-of-phase and thus rejected. This makes it ideal for signal filtering and precision applications, where noise and signal degradation need to be minimized.

The OP97FP also has a wide supply voltage range, which allows it to be used in a variety of applications. It can be powered from either a single +5V or from a dual +8V to +30V supply. This makes it ideal for low-voltage and high-voltage applications, and also for battery-powered applications.

Conclusion

The OP97FP is an exceptionally versatile and precise operational amplifier that is suitable for a wide range of applications. It has very low noise, high gain bandwidth product, low level distortion, high common-mode rejection ratio, and low power consumption. Its wide supply voltage range makes it suitable for use in a variety of systems, from low-voltage to high-voltage, significantly increasing its versatility. Its precision makes it ideal for industrial, medical, and automotive applications.

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