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DESCRIPTION

The SP3220E devices are RS-232 driver/receiver solutions intended for portable or hand-held applications such as palmtop computers, instrumentation and consumer products. These devices incorporate a high-efficiency charge-pump power supply that allows the SP3220E devices to deliver true RS-232 performance from a single power supply ranging from +3.0V to +5.0V. This charge pump requires only 0.1μF capacitors in 3.3V operation.

■ Meets All EIA-232 and ITU V.28 Specifications from a wide +3.0V to +5.5V power supply

● Interoperable with RS232 and V.28 at 2.7V

■ Supports High Serial DataRates:

● 120 kbps SP3220E

● 250 kbps SP3220EB

● 1 Mbps SP3220EU

■ 1μA Low Power Shutdown Mode

■ Footprint Compatible with MAX3221E, ISL3221

■ 4 x 0.1μF External Charge Pump Capacitors

■ Tri–State/Receiver Enable

■ Improved ESD Specifications:

● +15kV Human Body Model

● +15kV IEC1000-4-2 Air Discharge

● +8kV IEC1000-4-2 Contact Discharge