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
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