AD8554AR-REEL

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The AD8554AR-REEL is an integrated high performance, low power instrumentation amplifier (IAs) designed for a wide range of signal conditioning applications. It is part of the high performance Analog Devices, Inc.’s family of linear amplifiers. The AD8554AR-REEL is a dual-channel, wideband, low-noise IAs providing a very clean, high-resolution analog signal conditioning solution.

The AD8554AR-REEL is a single-supply instrumentation amplifier (IA) designed to offer high precision, low noise and low-distortion performance. It consists of two voltage amplifiers with a common, low-noise current source as the output stage. It is capable of amplifying signals from dc to 1 MHz and provides a wide dynamic range of gain from 1 to 20 V/V with a noise level down to 34 uV rms. The AD8554AR-REEL can provide a single-supply low-power solution for low-frequency signal conditioning applications such as flow meters, strain gauge measurements, pH levels and other applications requiring high-resolution and high-accuracy data acquisition.

The AD8554AR-REEL is a low-power, wideband, low-noise instrumentation amplifier ideal for a wide variety of signal conditioning applications. It has a gain bandwidth product of 1.25 MHz and can be configured as either inverting or non-inverting and at a gain of 1V/V, 10V/V, 15V/V and 20V/V. It can also be used to create +/- 5V peak-to-peak signal ranges with a gain of 1V/V. The device offers a low power consumption of just 4.9 mW/ch and low noise of 34 uV rms.

The AD8554AR-REEL features an input offset voltage of 0.1 mV and an excellent power-supply rejection of 90 dB. It has an input common-mode voltage range of 0 to 6V and a common-mode rejection ratio (CMRR) of 85 dB. The device also features a high output swing of 3.2V peak-to-peak and an open-loop output voltage of 250 mVp-p.

The working principle of the AD8554AR-REEL is based on an instrumentation amplifier configuration to restore the linear input signal. The amplifier has two input voltage amplifiers and a current source as the output stage. The two inputs go through resistor networks that generate a gain and establish the common mode voltage. The current source then amplifies the two signals and sums them together as the output. In this way, the input signal is restored to its original linear form.

In conclusion, the AD8554AR-REEL is an integrated high performance low power instrumentation amplifier designed for a wide range of signal conditioning applications. It offers excellent noise and distortion performance, wide dynamic range of gain, power consumption and output swing, and a very low-noise current source output stage. It is ideal for low-frequency signal conditioning applications, providing excellent linear accuracy and precision.

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