MAX3387ECUG+

MAX3387ECUG+ is a ±15kV ESD-protected, auto shutdown Plus RS-232 transceiver for PDAs and cell phones. The MAX3387E 3V powered TIA/EIA-232 and V.28/V.24 is a communications interface with low power requirements, high data-rate capabilities, and enhanced electrostatic discharge (ESD) protection. 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 +3.3V supply. Suitable for subnotebook/palmtop computers, PDAs and PDA cradles, cell phone data cables, battery-powered equipment, hand-held equipment, peripherals applications.

• MAX3387E capable of running data rates up to 250kbps while maintaining RS-232 compliant O/P levels
• MAX3387E has a unique VL pin that allows interoperation in mixed-logic voltage systems
• Both input and output logic levels are pin programmable through the VL pin
• MAX3387E has three receivers and three transmitters
• Low 300µA supply current
• 1µA Auto Shutdown Plus™ with receivers active
• 100ns transmitter skew and 50ns receiver skew
• 30V/µs max transition-region slew rate at CL = 150pF to 1000pF, VCC = +3.3V, TA = +25°C
• 24 pin TSSOP package
• Operating temperature range from 0 to +70°C

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