AD5258BRMZ50

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Data acquisition devices are used to sample data from the environment for further analysis and interpretation. Digital potentiometers are a type of data acquisition device and AD5258BRMZ50 is one such device. The AD5258BRMZ50 is a CMOS analog digital pot with dual 64 taps and nine-bit resolution. It can be used to precisely control voltage, impedance, and many other parameters.

The AD5258BRMZ50 is a potentiometer with two independently adjustable wiper pins for setting two internal potentiometers. Each potentiometer consists of 64 taps, which provide 256 values for each wiper. The AD5258BRMZ50 also has an E2A terminal that allows for a single-step wiper adjustment with nine-bit digital resolution.

The application fields of the AD5258BRMZ50 include, but are not limited to, digital dimming (of lighting and other systems), voltage and impedance settings in medical imaging systems, matrix switching, digital signal processing, power control, robotic control, and anti-tampering controls. The device is also suitable for use in other digital-based processes like motion control and digital audio.

The AD5258BRMZ50 includes a low-current channel selection (0.1 μA maximum) and a versatile reset/reference buffer to allow for precise voltage reference trimming. Additionally, the device features Rail-to-Rail input signal handling, ESD protection and a wide common-mode voltage range of 2.7 V to 7 V for single-supply applications.

The working principle of the AD5258BRMZ50 is based on a voltage divider. A given voltage is divided by two blocks of resistors, each one consisting of 64 resistors. The wiper pin adjusts the voltage output of the voltage divider. Each block can be independently adjusted. The device also includes EEPROM nonvolatile memory to store the last settings.

This digital potentiometer combines precision, stability and essential features which makes it suitable for a wide range of applications. Its features make it a great choice for process control and signal conditioning.

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