AD5227

FEATURES 64-position digital potentiometer 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) Pb-free package APPLICATIONS Mechanical potentiometer and trimmer replacements LCD backlight, contrast, and brightness controls Portable electronics level adjustment Programmable power supply Digital trimmer replacements Automatic closed-loop control GENERAL DESCRIPTION The AD5227 is Analog Devices’ latest 64-step up/down control digital potentiometer1. This device performs the same electronic adjustment function as a 5 V potentiometer or variable resistor. Its simple 3-wire up/down interfac...