Description

The MAX14661 is a serially controlled, dual-channelanalog multiplexer allowing any of the 16 pins to beconnected to either common pin simultaneously in anycombination. The device features Beyond-the-Rails™capability so that ±5.5V signals can be passed with anysingle supply between +1.6V and +5.5V.The serial control is selectable between I2C and SPI.Both modes provide individual control of each independentswitch so that any combination of switches canbe applied. I2C mode provides two address-select pinsallowing for addressing up to four devices on a single bus.The SPI mode includes a DOUT pin that can be used tochain multiple devices together with a single select signal.The IC is available in a 28-pin (4mm x 4mm) TQFN packageand is specified over the -40ºC to +85ºC extendedtemperature range. The AB_ and COM_ pins provide±10kV ESD protection (HBM).ApplicationsAudio Input SelectionData AcquisitionI2C Signal SwitchingSystem Diagnostics