The product is a 32-position manual up/down control potentiometer with 10 kΩ, 50 kΩ, and 100 kΩ end-to-end terminal resistance. It has simple manual up/down control, requires only two 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, 5ppm/°C, low rheostat mode tempco, 35ppm/°C, digital control compatible, ultralow power, IDD = 0.4µA typ and 3µA 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) lead-free package
The AD5228 is a 32-step-up/step-down control digital potentiometer designed to emulate mechanical potentiometer operation. It features simple manual up/down control using just two external pushbutton tactile switches, including a built-in adaptive debouncer for contact bounce immunity.
Available in 10 kΩ, 50 kΩ, and 100 kΩ end-to-end terminal resistance versions, the device operates over an automotive temperature range of -40°C to +105°C. It is housed in a compact thin SOT-23-8 (TSOT-8) Pb-free package and offers low operating voltage from 2.7 V to 5.5 V.
| Resolution | 5 Bits (32 steps) |
|---|---|
| Operating voltage range | 2.7 V to 5.5 V |
| Temperature range | -40°C to +105°C |
| Package type | SOT-23-8 (TSOT-8) |
| Supply standby current | 0.4 pA typical, 3 pA max |
The AD5228 requires only two pushbutton tactile switches for simple manual up/down control.
The built-in adaptive debouncer ignores invalid bounces due to contact bounce commonly found in mechanical switches.
Yes, the device is compatible with digital control and simplifies microcontroller usage.