AD621ARZ-R7 Integrated Circuits (ICs)

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The AD621ARZ-R7 is an instrumentation amplifier designed to provide a wide range of precision and linear applications such as instrumentation, OP amps, buffer amp and other various analog signal conditioning circuits. It is built with a minimum number of external components, allowing for a more efficient overall design and simpler circuit configuration.

The device features an internally adjustable voltage gain of 0.5 to 2.5 times its reference level, and is capable of delivering up to 20 mA of output drive current. It can easily amplify a differential input signal range of +0.3 volts full-scale and ±2.4 V for single-ended signals for levels up to ±1.25 V full-scale.

The AD621ARZ-R7 is fully differential internally and provides a high common-mode rejection ratio of 80 dB at 10 Hz, making it ideal for rejecting noise or pulse signals commonly encountered in high-impedance precision circuits. The device also features a low-noise architecture, allowing it to reject thermal noise and reduce total harmonic distortion.

The device has been designed with an input differential voltage range of ±700 V, allowing it to handle high-voltage applications as well. It can provide an output voltage up to ±2.5 V, making it suitable for applications like thermocouples, bridges, voltage dividers and other single-ended measurements.

The AD621ARZ-R7 is available in two versions, the standard version and the low-power version. The standard version is optimized for low voltage operation and is capable of operating from a supply voltage as low as 5 V. The low-power version is optimized for low power consumption and is capable of operating from a supply voltage of just 3.3 V.

The AD621ARZ-R7 employs a true differential amplifier structure, which provides superior accuracy and linearity compared to other basic op-amps. It has low offset voltage and low drift, providing excellent performance over temperature.

The device offers a wide range of performance, including low noise and distortion, reliable operation, wide bandwidth, high common-mode rejection, low offset voltage and low drift. The AD621ARZ-R7 is ideal for high-precision applications such as precision bridge circuits, thermocouples, transducer measurement amplifiers, electrometer circuits and process control systems.

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