Analog switch ICs (as shown in Figure 4-2/a) have slowly tumed on designers for their hig efficiency and very popular feature ICA or iotegrated cirouits are broadly of two ways IC analog switch inlegrated circuit that clectric current fows, if allowed, restricted and dlosed when opened. The analog (or analog swich), also called the bilasteral swith (as shown in Figure 42 (b)) is an electronic compopent that behaves the sane way as a relay, but has no moving parts.