The AD5228 is a 32-position manual up/down control potentiometer with 10 kΩ, 50 kΩ, 100 kΩ end-to-end terminal resistance, simple manual up/down control, self-contained, requires only 2 pushbutton tactile switches, built-in adaptive debouncer, discrete step-up/step-down control, autoscan up/down control with 4 steps per second, pin-selectable zero-scale/midscale preset, low potentiometer mode tempco, 5 ppm/°C, low rheostat mode tempco, 35 ppm/°C, digital control compatible, ultralow power, IDD = 0.4 µA typ and 3 µA max, low operating voltage, 2.7 V to 5.5 V, automotive temperature range, −40°C to +105°C, compact thin SOT-23-8 (2.9 mm × 3 mm) Pb-free package, suitable for mechanical potentiometer and trimmer replacements, LCD backlight, contrast and brightness controls, digital volume control, portable device-level adjusters, etc.