3-WIRE SERIAL CONTROL INTERFACE IS ALSO POSSIBLE DS1802 Cascade Pin Mute Zero-Cross Sense Pushbutton Serial digital potentiometer 0.7kHz 3/5V 45kOhm 7.5mm
DIGITAL POT DUAL 50K, 1802, SOIC20; End To End Resistance: 45kohm; No. of Pots: Dual; Control Interface: 3 Wire, Serial; Track Taper: Logarithmic; Resistance Tolerance: ± 20%; Supply Voltage Min: 2.7V; Supply Voltage Max: 5.5V;