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MAX3387E - 3V / 15kV ESD-Protected / AutoShutdown Plus RS-232 Transceiver

General Description

The MAX3387E 3V powered EIA/TIA-232 and V.28/V.24 is a communications interface with low power requirements, high data-rate capabilities, and enhanced electrostatic discharge (ESD) protection.

The MAX3387E has three receivers and three transmitters.

Key Features

  • o VL Pin for Compatibility with Mixed-Voltage Systems o ±15kV ESD Protection on Rx Inputs and Tx Outputs o Low 300µA Supply Current o Guaranteed 250kbps Data Rate o 1µA AutoShutdown Plus™ with Receivers Active o Meets EIA/TIA-232 Specifications Down to 3.0V MAX3387E Ordering Information PART MAX3387ECUG MAX3387EEUG TEMP. RANGE 0°C to +70°C -40°C to +85°C PIN-.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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19-1561; Rev 1; 10/99 3V, ±15kV ESD-Protected, AutoShutdown Plus RS-232 Transceiver for PDAs and Cell Phones General Description The MAX3387E 3V powered EIA/TIA-232 and V.28/V.24 is a communications interface with low power requirements, high data-rate capabilities, and enhanced electrostatic discharge (ESD) protection. The MAX3387E has three receivers and three transmitters. All RS-232 inputs and outputs are protected to ±15kV using the IEC 1000-4-2 Air-Gap Discharge method, ±8kV using the IEC 1000-4-2 Contact Discharge method, and ±15kV using the Human Body Model. A proprietary low-dropout transmitter output stage enables 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.