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SP3220ECT-L/TR Datasheet

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Exar Corporation Exar
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The SP3220E devices are RS-232 driver/receiver solutions intended for portable or handheld applications such as palmtop computers, intrumentation 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. The ESD tolerance of the these devices are over +/-15kV for both Human Body Model and IEC61000-4-2 Air discharge test methods. All devices have a low-power shutdown mode where the driver outputs and charge pumps are disabled. During shutdown, the supply current falls to less than 1µA.

■ Meets all EIA/TIA-232-F Standards from a +3.0V to +5.5V power supply
    • Interoperable with RS-232 and V.28 at +2.7V
■ Supports High Serial Data Rates:
    • 120kbps SP3220E
    • 250kbps SP3220EB
    • 1Mbps SP3220EU
■ 1µA Low Power Shutdown Mode
■ Footprint Compatible with MAX3221E, ISL3221
■ 4 x 1.0µF External Charge Pump Capacitors
■ Improved ESD Specifications:
    +15kV Human Body Model
    +15kV IEC61000-4-2 Air Discharge
    +8kV IEC61000-4-2 Contact Discharge


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