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LTC1318

Features: Single Chip Provides DCE RS232 or RS422/AppleTalk DCE PortOperates from a Single 5V SupplyCharge Pump Uses 0.1µF CapacitorsOutput Common-Mode Voltage Range Exceeds Power Supply Rails for All DriversDriver Outputs Are High Impedance with Power OffPin Selectable RS232/RS422 ReceiverT...

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SeekIC No. : 004401494 Detail

LTC1318: Features: Single Chip Provides DCE RS232 or RS422/AppleTalk DCE PortOperates from a Single 5V SupplyCharge Pump Uses 0.1µF CapacitorsOutput Common-Mode Voltage Range Exceeds Power Supply Rails...

LTC1318 Data Sheet

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Part Number:
LTC1318
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

  Single Chip Provides DCE RS232 or RS422/AppleTalk DCE Port
  Operates from a Single 5V Supply
  Charge Pump Uses 0.1µF Capacitors
  Output Common-Mode Voltage Range Exceeds Power Supply Rails for All Drivers
  Driver Outputs Are High Impedance with Power Off
  Pin Selectable RS232/RS422 Receiver
  Thermal Shutdown Protection
  Drivers Are Short-Circuit Protected


Application

 Dual-Mode RS232/RS422 Peripherals
 AppleTalk Peripherals
 Single 5V Systems




Pinout

Connection Diagram


Specifications

Supply Voltage:
       VCC ......................................................................................  7V
       V+ ...................................................................................  13.2V
       V ...............................................................................  13.2V
Input Voltage:
       All Drivers ...............................................  0.3 to (VCC + 0.3V)
       All Receivers ........................................................   25V to 25V
       RXMODE Pin ..........................................  0.3V to (VCC + 0.3V)
Output Voltage:
       RS232 Drivers ...................................  (V+ 30V) to (V + 30V)
       RS422 Drivers ................................................................... ±15V
       All Receivers ..........................................  0.3V to (VCC + 0.3V)
Short-Circuit Duration:
       V+ or V to GND .............................................................  30 sec
       Driver or Receiver Outputs ..........................................  Indefinite
Operating Temperature Range ....................................  0°C to 70°C
Lead Temperature (Soldering, 10 sec)....................................  300°C


Description

The LTC® 1318 is a single 5V, RS232/RS422 transceiver for connection to the DCE, or peripheral side of an interface link. It includes an on-board charge pump to generate a ±8V supply which allows true RS232 output swings. The charge pump requires only four external 0.1µF capacitors. The LTC1318 includes two RS232 drivers, a differential RS422 driver, a dedicated RS232 receiver, and a pin selectable RS232/RS422 receiver which can receive either single-ended or differential signals.


The LTC1318 features driver outputs which can be taken to common-mode voltages outside the power supply rails without damage. Additionally, the driver outputs assume a high impedance state when the power is shut off, preventing externally applied signals from feeding back into the power supplies. The RS232 devices will operate at speeds up to 100kbaud. The RS422 devices will operate
up to 2Mbaud.


The LTC1318 is available in a 24-lead SO Wide package.




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