SP3232EEA-L-TR True 3.0V to 5.5V RS-232 Transceivers circuit board ic ic circuit board

True +3.0V to +5.5V RS-232 Transceivers

FEATURES

■ Meets true EIA/TIA-232-F Standards from a +3.0V to +5.5V power supply

■ Minimum 120kbps Data Rate Under Full Load

■ 1µA Low Power Shutdown with Receivers active (SP3222E)

■ 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

The SP3222E/SP3232E series is an RS-232 transceiver solution intended for portable or hand-held applications such as notebook or palmtop computers. The SP3222E/SP3232E series has a high-efficiency, charge-pump power supply that requires only 0.1µF capacitors in 3.3V operation. This charge pump allows the SP3222E/SP3232E series to deliver true RS-232 performance from a single power supply ranging from +3.0V to +5.5V.

The SP3222E/SP3232E are 2-driver/2-receiver devices. This series is ideal for portable or hand-held applications such as notebook or palmtop computers. The ESD tolerance of the SP3222E/SP3232E devices are over +/-15kV for both Human Body Model and IEC61000-4-2 Air discharge test methods. The SP3222E 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

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