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DESCRIPTION

The SP3222EB/3232EB series is an RS-232 transceiver solution intended for portable or hand-held applications such as notebook or palmtop computers. The SP3222EB/3232EB series has a high-efficiency, charge-pump power supply that requires only 0.1μF capacitors in 3.3V operation. This charge pump allows the SP3222EB/3232EB series to deliver true RS-232 performance from a single power supply ranging from +3.0V to +5.5V. The SP3222EB/ 3232EB are 2-driver/2-receiver devices. This series is ideal for portable or hand-held applications such as notebook or palmtop computers. The ESD tolerance of the SP3222EB/3232EB devices are over ±15kV for both Human Body Model and IEC1000-4-2 Air discharge test methods. The SP3222EB device has a low-power shutdown mode where the devices driver outputs and charge pumps are disabled. During shutdown, the supply current falls to less than 1μA.

■ Meets true EIA/TIA-232-F Standards from a +3.0V to +5.5V power supply

■ 250kbps Transmission Rate Under Load

■ 1μA Low-Power Shutdown with Receivers Active (SP3222EB)

■ Interoperable with RS-232 down to +2.7V power source

■ Enhanced ESD Specifications:

±15kV Human Body Model

±15kV IEC1000-4-2 Air Discharge

±8kV IEC1000-4-2 Contact Discharge