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General Description

The MAX3160/MAX3161/MAX3162 are programmable +3V to +5.5V RS-232/RS-485/422 multiprotocol transceivers. The MAX3160/MAX3161 are pin programmable as a 2TX/2RX RS-232 interface or a single RS-485/422 transceiver. The MAX3162 is configured as a 2TX/2RX RS-232 interface and a single RS-485/422 transceiver simultaneously.

Benefits and Features

? Flexible Options for RS-232 and RS-422/485 Operation in One Package

??? ? Simultaneous 2TX/2RX RS-232 and Half-Duplex RS-485 Transceiver Operation (MAX3162)

??? ? Pin-Programmable as Either 2TX/2RX RS-232 or Half/Full RS-485 Transceiver (MAX3160, MAX3161)

? Integrated Protection Increases Robustness

??? ? Transmitters and Receivers Protected Against Wiring Faults

??? ? True Fail-Safe Receiver Prevents False Transition on Receiver Input Short or Open

??? ? Short-Circuit Protection Over the Entire CommonMode Voltage Range

??? ? Thermal Protection from Excessive Power Dissipation

??? ? Slew Rate Limiting Minimizes EM and Reduces Cable Reflections

? Integrated Charge-Pump Circuitry Saves Board Space

??? ? Eliminates the Need for a Bipolar ±12V Supply

??? ? Enables Single-Supply Operation From +3V to +5.5V Voltage Supply

? 1μA Shutdown Supply Current Saves Power

? Allows Up to 256 Transceivers on the Bus

Applications

??? Point-of-Sales Equipment

??? Peripherals

??? Industrial Controls

??? Networking

??? RS-232 to RS-485

??? Interface Converters