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1FEATURES

? VL Pin for Compatibility With Mixed-Voltage

Systems Down to 2.5 V on Logic Side

? Enhanced ESD Protection on RIN Inputs and

DOUT Outputs

– ±15-kV Human-Body Model

– ±15-kV IEC 61000-4-2, Air-Gap Discharge

– ±8-kV IEC 61000-4-2, Contact Discharge

? Low 300-μA Supply Current

? Specified 250-kbps Data Rate

? 1-μA Low-Power Shutdown

? Meets EIA/TIA-232 Specifications Down

to 3 V

APPLICATIONS

? Hand-Held Equipment

? PDAs

? Cell Phones

? Battery-Powered Equipment

? Data Cables

DESCRIPTION/ORDERING INFORMATION

The MAX3386E is a three-driver and two-receiver RS-232 interface device, with split supply pins for mixed-signal

operations. All RS-232 inputs and outputs are protected to ±15 kV using the IEC 61000-4-2 Air-Gap Discharge

method, ±8 kV using the IEC 61000-4-2 Contact Discharge method, and ±15 kV using the Human-Body Model.

The charge pump requires only four small 0.1-μF capacitors for operation from a 3.3-V supply. The MAX3386E is

capable of running at data rates up to 250 kbps, while maintaining RS-232-compliant output levels.

The MAX3386E has a unique VL pin that allows operation in mixed-logic voltage systems. Both driver in (DIN)

and receiver out (ROUT) logic levels are pin programmable through the VL pin. The MAX3386E is available in a

space-saving thin shrink small-outline package (TSSOP).