MAX3380EEUP+ Datasheet

RS-232 Interface IC


The MAX3380EEUP+ is +2.35V to +5.5V-powered EIA/TIA-232 and V.28/V.24 communication interfaces with low power requirements, high data-rate capabilities, and enhanced electrostatic discharge (ESD) protection on both the TTL and RS-232 sides. The MAX3380EEUP+ has two receivers and two transmitters. All RS-232 inputs, outputs, and logic input pins are protected to ±15kV using IEC 1000-4-2 AirGap Discharge method and the Human Body Model, and ±8kV using IEC 1000-4-2 Contact Discharge method. The proprietary low-dropout transmitter output stage enables true RS-232 performance from a +3.1V to +5.5V supply with a dual charge pump. The parts reduce the transmitter output levels to RS-232-compatible levels with no increase in supply current for supplies less than +3.1V and greater than +2.35V. The +2.35V to +5.5V operating range is fully compatible with lithium-ion (Li+) batteries. The charge pump requires only four small 0.1µF capacitors for operation. The MAX3380EEUP+ transceivers use Maxim’s revolutionary AutoShutdown Plus™ feature to automatically enter a 1µA shutdown mode. These devices shut down the on-board power supply and drivers when they do not sense a valid signal transition for 30 seconds on either the receiver or transmitter inputs. The MAX3380E is capable of transmitting data at rates of 460kbps while maintaining RS-232 output levels, and the MAX3380EEUP+ operates at data rates up to 250kbps. MAX3380EEUP+ offers a slower slew rate for applications where noise and EMI are issues. The MAX3380EEUP+ have a unique VL pin that allows interoperation in mixed-logic voltage systems down to +1.65V. Both input and output logic levels are referenced to the VL pin. The MAX3380EEUP+ available in a space-saving TSSOP package. MAX3380EEUP+ Features • ±15kV ESD Protection on All CMOS and RS-232 Inputs and Outputs (Except INVALID) ±15kV Human Body Model ±15kV IEC 1000-4-2 Air-Gap Discharge ±8kV IEC 1000-4-2 Contact Discharge• Operates Over Entire Li+ Battery Range• Low Logic Threshold Down to +1.65V for Compatibility with Cell Phone Logic Supply Voltages• 1µA Low-Power AutoShutdown Plus Mode• Compatible with Next-Generation GSM Data Rates• 20-Pin TSSOP Package MAX3380EEUP+ Applications • Cell Phone Data Lump Cables• PDA Data Lump Cables• GPS Receivers• Digital Cameras


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Manufacturer information


ON Semiconductor - ON Semiconductor (Nasdaq: ON) is driving energy efficient innovations, empowering customers to reduce global energy use. The company offers a comprehensive portfolio of energy efficient power and signal management, logic, discrete and custom solutions to help design engineers solve their unique design challenges in automotive, communications, computing, consumer, industrial, LED lighting, medical, military/aerospace and power supply applications. ON Semiconductor operates a responsive, reliable, world-class supply chain and quality program, and a network of manufacturing facilities, sales offices and design centers in key markets throughout North America, Europe, and the Asia Pacific regions.

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