aMG RS232 / 485 INF

Features

• RS232 / 485 In one board
• Half Duplex (configurable via jumpers)
• RS232 Interface based on STMicroelectronics ST3241EB RS-232 transceiver
  
  • ESD protection for RS-232 I/O pins:
    • ±8 kV IEC 1000-4-2 contact discharge
    • ±15 kV human body model
  • 3 to 5.5 V 
  • Up to 400 kbps (250 kbps minimum guaranteed data rate)
  • 1 μA supply current achieved when in autopower-down
  • Guaranteed 6 V/ms slew rate range
  • Guaranteed mouse drive ability
  • 0.1 μF external capacitors
  • Meets EIA/TIA-232 specifications down to 3 V
• RS485 Interface based on STMicroelectronics ST1480ABDR RS-485 transceiver
  
  • ESD protection
    • ±15 kV human body model
    • ±8 kV IEC 1000-4-2 contact discharge
  • Operates from a single 3.3 V supply - nocharge pump required
  • Interoperable with 5 V logic
  • 1 μA low current shutdown mode max
  • Guaranteed 12 Mbps data rate
  • 7 to 12 common mode input voltage range
  • Half duplex versions available
  • Industry standard 75176 pinout
  • Current limiting and thermal shutdown for driver overload protection
  • Guaranteed high receiver output state forfloating
  • shorted or terminated inputs with nosignal present
  • Allows up to 64 transceivers on the bus

Applications

• Network Sensors
• BUS System