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SP3222EBCY-LTR Datasheet(PDF) 1 Page - Exar Corporation |
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SP3222EBCY-LTR Datasheet(HTML) 1 Page - Exar Corporation |
1 / 22 page Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com SP3222EB/SP3232EB_103_081414 1 SP3222EB/SP3232EB True +3.0V to +5.5V RS-232 Transceivers The SP3222EB/SP3232EB series is an RS-232 transceiver solution intended for portable or hand-held applications such as notebook or laptop computers. The SP3222EB/SP3232EB 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/SP3232EB series to deliver true RS-232 performance from a single power supply ranging from +3.0V to +5.5V. The SP3222EB/ SP3232EB are 2-driver/2-receiver devices. The ESD tolerance of the SP3222EB/SP3232EB devices is over +/-15kV for both Human Body Model and IEC61000-4-2 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. FEATURES ■ 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 a +2.7V power source ■ Enhanced ESD Specifications: +15kV Human Body Model +15kV IEC61000-4-2 Air Discharge +8kV IEC61000-4-2 Contact Discharge DESCRIPTION SELECTION TABLE Now Available in Lead Free Packaging V- 1 2 3 4 13 14 15 16 5 6 7 12 11 10 C1+ V+ C1- C2+ C2- R1IN R2IN GND VCC T1OUT T2IN 8 9 SP3232EB T1IN R1OUT R2OUT T2OUT Device Power Supplies RS-232 Drivers RS-232 Receivers External Components Shutdown TTL 3-State # of Pins SP3222EB +3.0V to +5.5V 2 2 4 Capacitors Yes Yes 18, 20 SP3232EB +3.0V to +5.5V 2 2 4 Capacitors No No 16 |
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