The MAX4754/MAX4755/MAX4756 low on-resistance, analog switches operate from a single +1.8V to +5.5V supply. The MAX4754 and MAX4755 are dual, doublepole, double-throw (DPDT) switches. The MAX4756 is a quad, single-pole double-throw (SPDT) switch. They are configured to route either audio or data signals. The MAX4754 has four 0.5 SPDT switches for audiosignal routing and two logic control inputs. The MAX4755 has four 0.5 SPDT switches (with two switches that have an additional 11 series resistor at the NC terminals). This allows users to drive an 8 speaker as a 32 load (ear speaker). The MAX4756 has four 0.5 SPDT switches controlled by one logic control input and an enable pin (EN) to disable the switches.