The AD5227 is a 64-position up/down control digital potentiometer with 10 kΩ, 50 kΩ, 100 kΩ end-to-end terminal resistance, simple up/down digital or manual configurable control, midscale preset, low potentiometer mode tempco = 10 ppm/°C, low rheostat mode tempco = 35 ppm/°C, ultralow power, IDD = 0.4 µA typ and 3 µA max, fast adjustment time, ts = 1 µs, chip select enable multiple device operation, 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 AD5227 is a 64‑position up/down digital potentiometer available in 10 kΩ, 50 kΩ and 100 kΩ end‑to‑end resistance versions. It features a simple 3‑wire up/down interface, ultralow power consumption (0.4 pA typ, 3 pA max) and operates from 2.7 V to 5.5 V. The device is qualified for an automotive temperature range of –40 °C to +105 °C.
The datasheet includes electrical characteristics, absolute maximum ratings, pin configuration, timing diagrams, typical performance curves, and application notes such as LED driver control and LCD backlight adjustment. Ordering information and package dimensions for the thin SOT‑23‑8 (TSOT‑8) package are also provided.
| Number of positions | 64 |
|---|---|
| Resolution | 6 bits |
| Operating voltage range | 2.7 V to 5.5 V |
| Temperature range | –40 °C to +105 °C |
| Typical supply current | 0.4 pA typ, 3 pA max |
The AD5227 provides 64 steps, corresponding to a 6‑bit resolution.
It operates from 2.7 V up to 5.5 V.
The device is rated for –40 °C to +105 °C.
Typical supply current is 0.4 pA, with a maximum of 3 pA.