SP3222E - True +3.0V to +5.5V RS-232 Transceivers
The SP3222E/3232E series is an RS-232 transceiver solution intended for portable or handheld applications such as notebook or palmtop computers.
The SP3222E/3232E series has a high-efficiency, charge-pump power supply that requires only 0.1µF capacitors in 3.3V operation.
This charge pump allows the