AD629ARZ-R7

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The AD629ARZ-R7 instrumentation amplifier is a high-performance device designed to amplify small differential signals in the presence of large common-mode signals. The AD629ARZ-R7 features a high common-mode rejection ratio (CMRR) of 80 dB and low voltage noise of 1.5 nV/√Hz. In addition, it can provide adjustable gain ranging from 1 to 1000. Due to its excellent performance, it has been widely used in many applications, such as measurement systems, data acquisition systems, and medical instrumentation systems.

The AD629ARZ-R7 is constructed of two gain-setting resistors and a positive-feedback instrumentation amplifier circuit, wherein the two gain-setting resistors form a voltage divider, and the voltage output of the voltage divider is applied to the non-inverting input of the instrumentation amplifier. Accordingly, the gain of the AD629ARZ-R7 can be controlled by the gain-setting resistors, wherein a gain setting resistance of 0K results in a maximum gain of 1000.

In addition, the AD629ARZ-R7 has a high output impedance of 50Ω, which enables it to drive heavy loads or emulate a high-impedance voltage source. Moreover, the AD629ARZ-R7 has a high common-mode rejection ratio (CMRR), which helps to eliminate noise and interference signals and ensure accuracy for high-impedance signal sources, enabling it to work in harsh environments.

The AD629ARZ-R7 is highly versatile and easy to use. Its wide supply range from ±2.7 V to ±18 V and low quiescent current of 1.3 mA make it suitable for battery-powered applications. It is also available in an 8-pin SOIC package. In addition, the AD629ARZ-R7 also features offset voltages of 1 mV maximum and a wide operating temperature range from -40°C to +85°C, making it usable in various industrial applications.

In summary, the AD629ARZ-R7 is an excellent device for amplifying differential signals in the presence of high common-mode signals. Its excellent CMRR, noise performance, offset voltage, and wide operating temperature range make it a suitable device for applications such as measurement systems, data acquisition systems, and medical instrumentation systems. Its 8-pin SOIC package and wide supply range also make it a great choice for battery-powered applications.

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