SP3221E

SP3221E Intelligent +3.0V to +5.5V RS-232 Transceiver FEATURES Meets true EIA/TIA-232-F Standards from a +3.0V to +5.5V power supply Interoperable with EIA/TIA-232 and adheres to EIA/TIA-562 down to a +2.7V power source AUTO ON-LINE® circuitry automatically wakes up from a 1µA typical shutdown Minimum 250kbps data rate under load Regulated charge pump yields stable RS-232 outputs regardless of VCC variations ESD specifications: +15KV Human Body Model +15KV IEC61000-4-2 Air Discharge +8KV IEC61000-4-2 Contact Discharge EN 1 C1+ 2 V+ 3 C1- 4 C2+ 5 C2- 6 V- 7 R1IN 8 SP3221E 16 SHDN 15 VCC 14 GND 13 T1OUT 12 ONLINE 11 T1IN 10 STATUS 9 R1OUT DESCRIPTION The SP3221E is an RS-232 transceiver solution intended for portable applications such as notebook and hand held computers. This device uses an internal high-efficiency, charge-pump power supply that requires only 0.1µF capacitors in 3.3V operation. This charge pump and Exar's driver architecture allow the SP3...