SP3223ECA Datasheet

Interface - Drivers, Receivers, Transceivers


The SP3223ECA and 3243E products are RS-232 transceiver solutions intended for portable or hand-held applications such as notebook and palmtop computers. The SP3223ECA and 3243E use an internal high-efficiency, charge-pump power supply that requires only 0.1μF capacitors in 3.3V operation. This charge pump and Sipexs driver architecture allow the SP3223ECA / 3243E series to deliver compliant RS-232 performance from a single power supply ranging from +3.3V to +5.0V. The SP3223E is a 2-driver/2-receiver device, and the SP3243E is a 3-driver/5-receiver device ideal for laptop/notebook computer and PDA applications.The SP3243E includes one complementary receiver that remains alert to monitor an external devices Ring Indicate signal while the device is shutdown.The AUTO ON-LINE® feature allows the device to automatically "wake-up" during a shutdown state when an RS-232 cable is connected and a connected peripheral is turned on. Otherwise,the device automatically shuts itself down drawing less than 1μA. SP3223ECA 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 shutdown• Minimum 120Kbps data rate under load• Regulated Charge Pump Yields Stable RS-232 Outputs Regardless of VCC Variations• Enhanced ESD Specifications: +15KV Human Body Model +15KV IEC1000-4-2 Air Discharge +8KV IEC1000-4-2 Contact Discharge


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Manufacturer information


Diodes Incorporated is a leading global manufacturer and supplier of high-quality, application-specific, standard products within the broad discrete, logic and analog semiconductor markets. Diodes Incorporated primarily serves the computing, consumer, communications, industrial and automotive segments. Diodes’ diverse product portfolio includes parts for LCD/LED TVs and displays, desktop, notebook and tablet computing, smartphones and hand-held devices, set-top boxes, power supplies and USB protection as well as many other application areas.

Diodes Incorporated offers a wide array of products including diodes, rectifiers, transistors, MOSFETs, gate drivers, protection devices, function-specific arrays, amplifiers and comparators, Hall-effect sensors and temperature sensors, power management devices including LED drivers, AC-DC converters and controllers, DC-DC switching regulators, linear voltage regulators, current monitors, and voltage reference and shunt regulators, along with special function devices including USB power switches, load switch devices, voltage supervisors and motor controllers.

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