Maxim Integrated's MAX5482ETE+ Digital Potentiometer

The MAX5482ETE+ is a high-performance, nonvolatile, 10-bit digital potentiometer designed by Maxim Integrated to deliver precision and reliability in a variety of applications. This digital potentiometer offers a compact and efficient solution for setting and adjusting voltage references, bias currents, and signal conditioning parameters digitally, replacing mechanical potentiometers and trimmers.

Featuring a 10-bit resolution, the MAX5482ETE+ provides 1024 taps, which allows for fine adjustment of the wiper position, ensuring precise control over the output. The device operates from a single +2.7V to +5.5V supply voltage, making it suitable for both 3V and 5V systems. The potentiometer's end-to-end resistance is 50kΩ, which is a common value that fits a wide range of applications.

The MAX5482ETE+ is equipped with an internal, nonvolatile EEPROM memory that stores the wiper position for future use. This feature ensures that the last wiper position is retained even after the device is powered off, providing a reliable start-up condition every time the device is powered on.

Communication with the MAX5482ETE+ is achieved through a 3-wire SPI-compatible serial interface, which allows for easy integration into existing digital systems. The device's 16-pin TQFN (6mm x 6mm) package is designed to save space on the PCB, making it an excellent choice for space-constrained applications such as portable devices, consumer electronics, and industrial control systems.

The MAX5482ETE+ also offers robust features such as a 50ppm/°C end-to-end temperature coefficient and a power-on reset (POR) circuit that initializes the wiper to the midscale position upon power-up, providing additional stability and accuracy in varying temperature environments.

In summary, Maxim Integrated's MAX5482ETE+ is a versatile and reliable digital potentiometer that offers precise control, nonvolatile memory, and an easy-to-use SPI interface, all packed into a small footprint, making it an excellent choice for designers looking to add digital adjustability to their circuits.