AD5251BRUZ50

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The AD5251BRUZ50 is an adjustable, digital potentiometer device developed by Analog Devices Inc. The device offers a wide range of applications in various industries involving data acquisition, such as control and instrumentation. It integrates two resistive divider bridges and a 10-bit non-volatile EEPROM with a built-in amplifier to allow for the adjustment of digital signals. With an adjustable resistance range of between 5 Ω and 250 Ω in 256 steps and an input voltage of 3 V to 36 V, the AD5251BRUZ50 provides a precision and accurate solution for data acquisition.

Working Principle

The operation of the AD5251BRUZ50 is based on the advanced, non-volatile memory technology of Analog Devices Inc. It features a bidirectional input/output pin that is connected to both an external device and the integrated, 10-bit non-volatile EEPROM. The EEPROM is programmed to determine the resistive value for a voltage divider bridge. The output voltage of the bridge is proportional to the selected resistive value. This output voltage is broadcasted over the control lines, and through the input/output pin.The device also features a 10-bit non-volatile EEPROM that enables storing last-used resistance values, as well as passwords, serial numbers and device configuration parameters. This data is stored even when the power is off, allowing for quick and easy configurations.

Applications

The AD5251BRUZ50 can be used in various applications in the fields of data acquisition, control and instrumentation. The device offers a precision and an accurate solution for controlling the flow of electrical signals. It can be integrated into battery charging circuits to control the charge current, as well as in networks for managing power transmission from one node to another. The AD5251BRUZ50 can also be used as a potentiometer to modify the gain of a closed-loop control system, or as adjustable gain amplifier to control the level of audio signals. Additionally, it can be used to set the frequency of a filter or a clock, or for the calibration and testing of resistors.

The AD5251BRUZ50 is an ideal solution for applications where precision and accuracy are key, such as data acquisition and instrumentation. It offers a reliable, high-performance and cost-effective solution for various industries. Its versatile integrated components, wide range of adjustable resistance and low voltage requirements make it an attractive solution for all types of data acquisition applications.

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