AD8051ARZ

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The AD8051ARZ is a complete, single-supply, low-noise operational amplifier (op amp) and buffer amplifier. It is a part of the Analog Devices AD8050 family, which offers a series of single, dual, and quad op amps, and is designed to meet the needs of linear - amplifiers, instrumentation, OP Amps, and buffer amplifiers.

The main features of the AD8051ARZ include low-noise operation of 4.1nV/√Hz bandwidth, low-power operation of 110µV for 1mV output swing and 2.5mV for 10V output swing, and low-current draw of 4.2mA power supply current.

The AD8051ARZ is typically used in applications such as filtering, level shifting, and gain-controlled applications for low-level signal conditioning, including measurements and control systems. Additionally, its low-noise operation makes it well-suited for use in audio, video, data communications, industrial, medical, and instrumentation applications.

This integrated circuit is composed of two high-level amplifiers, an amplifier with a fixed gain, an amplifier with an adjustable gain, and a buffer. The two high-level amplifiers are composed of complementary MOS transistors, which provide high gain linearity and large output swing with low noise. The amplifier with a fixed gain is the first stage of the amplifier and provides an AC gain of approximately 7.5 V/V. The second stage of the amplifier is an amplifier with an adjustable gain, which provides an adjustable AC gain range of 0.3 V/V to 7.5 V/V, with a minimum gain of 0.3 V/V. The buffer is the third stage and provide a buffered output signal, with a unity DC gain.

The AD8051ARZ provides a low-noise, low-power operational amplifier with the flexibility to be used in a variety of applications. It is easy to use, requires only a single supply of 5V to operate, and is available in several packages. Additionally, the AD8051ARZ is fully qualified and tested to the relevant standards, including MIL-STD-883, making it suitable for use in harsh, high-reliability environments.

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