Dual 50kΩ digital potentiometer with 256-tap resolution
The Maxim Integrated DS1267BS-050+ is a dual-channel, 256-tap digital potentiometer with a linear taper and 50kΩ end-to-end resistance. Each of the two independent potentiometer circuits is controlled via a serial interface, and a cascade pin allows daisy-chaining multiple devices without additional GPIO. The volatile memory type means wiper position is lost on power-down and must be re-initialized at startup — a consideration for designs that need a fixed default state on power-up.
The 16-SOIC footprint is a common industry standard, so board layout is stable across potential second-source candidates.