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General Description

The MAX3384E is a 3V-powered EIA/TIA-232 and V.28/V.24 communications interface with low power requirements, high data-rate capabilities, and enhanced electrostatic discharge (ESD) protection. All transmitter outputs and receiver inputs are protected to ±15kV using IEC 1000-4-2 Air-Gap Discharge, ±8kV using IEC 1000-4-2 Contact Discharge, and ±15kV using the Human Body Model.

The transceiver has a proprietary low-dropout transmit ter output stage, delivering true RS-232 performance from a +3.0V to +5.5V supply with a dual charge pump. The charge pump requires only four small 0.1μF capacitors for operation from a +3.3V supply. Each device is guaranteed to run at data rates of 250kbps while maintaining RS-232 output levels.

The MAX3384E has two receivers and two drivers. It features a 1μA shutdown mode that reduces power consumption and extends battery life in portable systems.

The MAX3384E is available in a space-saving SSOP package in either the commercial (0°C to +70°C) or extended temperature (-40°C to +85°C) range.

Features

? ESD Protection for RS-232 I/O Pins

±15kV—Human Body Model

±8kV—IEC 1000-4-2, Contact Discharge

±15kV—IEC 1000-4-2, Air-Gap Discharge

? Latchup Free

? 300μA Supply Current

? 1μA Low-Power Shutdown

? 250kbps Guaranteed Data Rate

? 250μs Time to Exit Shutdown with 3k? Load on V+

? 6V/μs Guaranteed Slew Rate

? Transmitter and Receiver Outputs High Impedance in Shutdown

? Meets EIA/TIA-232 Specifications Down to 3.0V

Applications

Hand-Held Equipment

Battery-Powered Equipment

Peripherals

Printers

PDAs