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DESCRIPTION

The SP3222EU and the SP3232EU are 2 driver, 2 receiver RS-232 transceiver solutions intended for portable or hand-held applications such as notebook or palmtop computers. Their data transmission rate of 1000 kbps meets the demands of high speed RS-232 ap plications. The SP3222EU/SP3232EU series has a high-effciency, charge-pump power supply that requires only 0.1μF capacitors in 3.3V operation. This charge pump allows the SP3222EU/SP3232EU series to deliver true RS-232 performance from a single power supply ranging from +3.0V to +5.5V. The ESD tolerance of the SP3222EU/SP3232EU devices are over +/-15kV for both Human Body Model and IEC61000-4-2 Air discharge test methods. The SP3222EU 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.

FEATURES

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

■ Minimum 1000kbps Data Rate

■ 1μA Low Power Shutdown with Receivers active (SP3222EU)

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

■ Enhanced ESD Specifcations: +15kV Human Body Model +15kV IEC61000-4-2 Air Discharge +8kV IEC61000-4-2 Contact Discharge

■ Ideal for Handheld, Battery Operated Applications