BUY DS1808Z-050 https://www.utsource.net/itm/p/6159882.html
Dual Log Digital Potentiometer
Description: The DS1808Z-050 is a dual digital potentiometer from Dallas Semiconductor. Features: Two independent, digitally controlled potentiometers 10KΩ resistance range 256 tap points Non-volatile memory Low power consumption SPI compatible SOP-16 package Applications: Volume control Brightness control Power supply adjustment Audio signal processing Motor control (For reference only)