MAX13223E
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MAX13223E

±70V Fault-Protected, 3.0V to 5.5V, 2Tx/2Rx RS-232 Transceiver

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Industry's First RS-232 Transceiver with Integrated ±70V Fault Protection Eliminates Need for External Protection

Info: : PRODUCTION tooltip
Info: : PRODUCTION tooltip
Part Details
Part Models 2
1ku List Price Starting From $4.09
Features
  • Robust Protection to Withstand Load Dumps, Miswiring, and Connector Failures
    • ±70V Fault Protection
    • Overvoltage Current Limiting
    • Current Protection at Transmitter Outputs
    • Thermal Shutdown Protection
  • Flexible Power Requirements Simplify Design
    • +3.0V to +5.5V Single Supply Voltage
    • True RS-232 Performance (Up to 250kbps) Even from +3.0V Supply Voltage
  • AutoShutdown Simplifies Power Savings
    • Automatically Enters Shutdown Mode if RS-232 Cable is Disconnected or Receivers are Inactive Automatically Activates from Shutdown When Any Valid Transition is Sensed
    • 1µA Typical Shutdown Current
Additional Details
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The MAX13223E is a +3.0V to +5.5V-powered EIA/TIA-232 and V.28 communications interface with fault protection on the RS-232 line interface. This allows shorts of the transmitter outputs and receiver inputs to voltages in the ±70V range without adversely affecting the MAX13223E.

The MAX13223E achieves 1µA supply current using Maxim's AutoShutdown™ feature. The MAX13223E automatically enters a low-power shutdown mode when the RS-232 cable is disconnected or the receivers are inactive. The device turns on again when a valid transition at any receiver input is sensed. A proprietary, high-efficiency, dual charge-pump power supply and a low-dropout transmitter combine to deliver true RS-232 performance from a single +3.0V to +5.5V supply.

The MAX13223E has two receivers and two drivers and is guaranteed to run at data rates of 250kbps for one transmitter switching while maintaining RS-232 output levels.

The MAX13223E operates from input voltages ranging from +3.0V to +5.5V and is available in a 20-pin, 6.5mm x 4.4mm, TSSOP package. The MAX13223E is specified over the -40°C to +85°C temperature range.

Applications

  • Base Stations
  • Industrial Equipment
  • POS Terminal Equipment
  • Telecomm Equipment
  • Telematics Equipment
  • Utility Meters
Part Models 2
1ku List Price Starting From $4.09

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Dec 11, 2018

- 1754N

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PRODUCTION

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PRODUCTION

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