The STG3699A is a high-speed CMOS low voltage quad analog single pole dual throw (SPDT) switch or 2:1 multiplexer/demultiplexer switch, designed to operate from 1.65V to 4.3V, making it ideal for portable applications. It offers very low ON-Resistance (<0.5Ω) at VCC=3.0V. It features fast switching speed, Break Before Make Delay Time and Ultra Low Power Consumption.