ft3157 The ft3157 is a low on-resistance high speed single-pole/dual-throw (SPDT) analog switch. The ft3157 operates from a 1.65V to 5.5V power supply. It features high-bandwith (250MHz) and low on-resistance (4Ω Typ). The break-before-make select circuitry prevents disruption of signals on the B Port due to both switches temporarily being enabled during select pin switching. The ft3157 is manufactured in SC70-6 (2.0mm x 2.1mm) package. Features ·Mobile phone ·Personal Digital Assistant (PDA) ·MP3 player ·Battery-Operated equipment        Product Brief       DataSheet        Application Note