**AD5231BRUZ100: A Comprehensive Technical Overview of the 100kΩ Digital Potentiometer**

The **AD5231BRUZ100** from Analog Devices represents a significant advancement in digital potentiometer technology, offering a **non-volatile memory**, 100kΩ digitally controlled variable resistor in a compact package. This device is engineered to replace traditional mechanical potentiometers across a wide range of applications, providing enhanced reliability, precision, and programmability.

At its core, the AD5231 features a **1024-position resolution**, enabling extremely fine adjustments to resistance values. This high resolution is managed via a versatile 3-wire SPI-compatible serial interface, allowing for straightforward communication with microcontrollers and digital processors. A key attribute of this IC is its integrated EEMEM (Electrically Erasable Memory). This non-volatile memory ensures that the wiper's last position is retained even after the power is cycled, which is **critical for applications requiring a preset state upon power-up**.

The device operates from a wide single-supply range of 2.7 V to 5.5 V, making it suitable for both 3.3 V and 5 V systems. It exhibits a low temperature coefficient of 35 ppm/°C, ensuring stable performance across varying environmental conditions. The AD5231BRUZ100 is offered in the robust 14-lead TSSOP package, designed to withstand the rigors of industrial environments.

Typical applications are diverse, spanning from **instrumentation and calibration** to audio level control and programmable power supplies. It is particularly valuable in systems where remote adjustment or automated tuning is necessary, eliminating the need for physical access and the inherent reliability issues of mechanical pots.

**ICGOOODFIND**: The AD5231BRUZ100 stands out as a superior solution for digital resistance control, merging high resolution, non-volatile memory, and a simple digital interface into a single, reliable IC. It is an optimal choice for designers seeking to modernize their systems with precise, repeatable, and programmable analog adjustment.

**Keywords**: Digital Potentiometer, Non-Volatile Memory, SPI Interface, 1024-Position Resolution, Programmable Resistor.