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MAX3485 Description

The MAX3483, MAX3485, MAX3486, MAX3488, MAX3490, and MAX3491 are 3.3V, low-power transceivers for RS-485 and RS-422 munication. Each part contains one driver and one receiver.

MAX3485 Key Features

  • Operate from a Single 3.3V Supply- No Charge Pump!
  • Interoperable with +5V Logic
  • 8ns Max Skew (MAX3485/MAX3490/MAX3491)
  • Slew-Rate Limited for Errorless Data Transmission (MAX3483/MAX3488)
  • 2nA Low-Current Shutdown Mode (MAX3483/MAX3485/MAX3486/MAX3491)
  • 7V to +12V mon-Mode Input Voltage Range
  • Allows up to 32 Transceivers on the Bus
  • Full-Duplex and Half-Duplex Versions Available
  • Industry Standard 75176 Pinout (MAX3483/MAX3485/MAX3486)
  • Current-Limiting and Thermal Shutdown for Driver Overload Protection

MAX3485 Applications

  • Low-Power RS-485/RS-422 Transceivers -- Telemunications -- Transceivers for EMI-Sensitive Applications -- Industrial-Control Local Area Networks
  • Operate from a Single 3.3V Supply- No Charge Pump!
  • Interoperable with +5V Logic