Maxim Integrated MAX5474EKA Digital Potentiometer

The MAX5474EKA from Maxim Integrated is a compact, high-performance digital potentiometer that offers a versatile solution for a wide range of applications requiring precise resistance adjustments. This device is designed to operate as a three-terminal potentiometer or as a two-terminal variable resistor in electronic systems.

Featuring a single 10kΩ digitally-controlled potentiometer with 32-tap points, the MAX5474EKA allows for smooth transitions between resistance values, ensuring high accuracy and stability in your circuit designs. The potentiometer is controlled via a simple SPI-compatible serial interface, making it easy to integrate into microcontroller-based systems.

The MAX5474EKA comes in a tiny SOT23-8 package, which is ideal for space-constrained applications. Its low power consumption and wide operating voltage range from 2.7V to 5.5V make it suitable for both portable and low-voltage systems. Additionally, the device features an end-to-end resistance tolerance of ±20%, which provides consistent performance across different units.

With its non-volatile EEPROM memory, the MAX5474EKA retains the last programmed resistance value even after power-off, ensuring that your system maintains its settings between uses. This feature is particularly useful for calibration and recall of preferred settings in devices such as audio equipment, industrial controls, and communication systems.

The digital potentiometer is also equipped with 50ppm/°C end-to-end temperature coefficient, which minimizes resistance changes over temperature variations, thus providing reliable operation across a wide temperature range of -40°C to +85°C. Its robust design ensures that it can withstand harsh environmental conditions, making it a reliable choice for both consumer and industrial applications.

Whether you are designing volume controls, adjusting bias voltages, or tuning filters, the Maxim Integrated MAX5474EKA digital potentiometer offers precision, durability, and ease of use for your electronic projects.