AD711JR

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The AD711JR is a single-supply, low-cost instrumentation amplifier that offers many features, including low-noise operation and low drift over temperature. It is a popular choice for professional audio, precision measurement, and automotive applications because of its performance and compatibility with a wide variety of load impedances. Here we will discuss the application field and working principles of the AD711JR.

Application Fields

The AD711JR is a single-supply instrumentation amplifier that can be used in various measurement and instrumentation applications such as audio, biomedical, and automotive. Its wide input range and low-noise operation makes it suitable for professional audio applications. It is also popular for data acquisition and motion sensing in vehicles and can be used for patient monitoring in medical applications. Its low drift over temperature makes it suitable for precision measurement applications as well.

Working Principle

The AD711JR is an instrumentation amplifier that consists of three amplifiers connected in a differential configuration. The input signal enters one input of the differential amplifier at the amplifier\'s non-inverting input. The signal passes through the differential amplifier and then travels to the inverting input of the second amplifier, where a split between the output and inverting inputs is created in order for proper gain adjustment. The signal then passes through the second amplifier and reaches the output stage of the third amplifier, where the signal is amplified again to reach the required gain. In order to ensure stability, an additional external capacitor is placed between the non-inverting input and the power supply. The AD711JR also features a low offset voltage and a low drift over temperature.

Conclusion

The AD711JR is a single-supply, low-cost instrumentation amplifier that is suitable for a wide range of applications. It has low noise operation, low drift over temperature and low offset voltage. This makes it popular for use in audio, automotive, biomedical and precision measurement applications. The instrumentation amplifier works by passing the input signal through three separate amplifiers and achieving the required gain by adjusting the split between the output and inverting inputs of the second amplifier.

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