Datasheet
The ADG728 / ADG729 is a CMOS low-voltage 2-wire serially controlled matrix switch produced by Analog Devices. The chip has 8 channels and dual 4 channels. The switch resistance is well matched and can be used as a multiplexer, demultiplexer or switch array.
User Manual
ADG728/ADG729 are CMOS low-voltage 2-wire serially controlled matrix switches. ADG728 is an 8-channel matrix switch, while ADG729 is a dual 4-channel matrix switch. On resistance is closely matched between switches and very flat over the full signal range. These parts can be used in data acquisition systems, communication systems, relay replacement, audio and video switching, and automatic test equipment.