AD8274ARZ-RL

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The AD8274ARZ-RL is a low power, rail-to-rail output, low offset voltage instrumentation amplifier. It is ideal for precision applications, where the output range must span one or both power supplies. It has low differential gain and phase errors, making it suitable for output buffer applications. The AD8274ARZ-RL can be used in a variety of linear applications, from active filters to medical instrumentation and signal conditioning.

The AD8274ARZ-RL amplifies the differential signal present at its inputs, IN+ and IN–, by the gain set by the external resistors R1 and R2 added at its output. It offers high common-mode input range and makes it suitable as a signal conditioner, allowing single and dual supplies operation of ±2.5 V to ±16 V. The AD8274ARZ-RL maximum differential voltage input is 12 V, while the maximum common-mode voltage input is 16 V. Its maximum output swing is rail to rail.

The AD8274ARZ-RL features a current feedback output. This allows a lower output device impedance, which is beneficial in applications with high capacitive load. The current feedback amplifier has a bandwidth of 500kHz and a slew rate of 1.2V/μs. The outputs are capable of sourcing and sinking up to 10 mA of current.

The AD8274ARZ-RL is optimized for AC performance and to minimize offset voltage. It has an offset voltage of less than 25 μV, which is made possible by the on-chip trimable offset adjustment. The AD8274ARZ-RL also has an on-chip offset control terminal, which allows the user to adjust the offset voltage with an external voltage between ±16 V to adjust the output voltage range. This feature gives the AD8274ARZ-RL an edge over other amplifiers.

In summary, the AD8274ARZ-RL is an instrumentation amplifier whose features make it suitable for a variety of linear applications. It is a low-power, rail-to-rail output device with low offset voltage, providing maximum output swing, high common-mode input range, and low differential gain and phase errors. The current feedback output assures a lower device impedance, with a bandwidth of 500kHz and a slew rate of 1.2V/μs, while the on-chip trimable offset adjustment and the offset control terminal ensures superior AC performance and allows the user to adjust the output voltage range with an external voltage.

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