From old datasheet system 256- (AD5200) and 33-Position (AD5201) digital Potentiometers 256-POSITION AND 33-POSITION digital POTENTIOMETERS 33-Position digital Potentiometer 50K digital POTENTIOMETER, 2-WIRE SERIAL CONTROL interface, 33 POSITIONS, PDSO10 audio digital potentiometers 10K digital POTENTIOMETER, 2-WIRE SERIAL CONTROL interface, 256 POSITIONS, PDSO10