LT1039

PRODUCTION

RS232 Driver/Receiver with Shutdown

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Overview

  • Operates from ±5V to ±15V Supplies
  • Fully Protected Against Overload
  • Outputs can be Driven ±30V without Damage
  • Three-State Outputs; Outputs Open when Off
  • Bipolar Circuit—No Latch Up
  • ±30V Input Range
  • Triple Driver/Receiver
  • No Supply Current in Shutdown
  • 30kΩ Input Impedance
  • Meets All RS232 Specifications
  • 16 Pin Version—Pin Compatible with MC145406
  • Available in SO Package
  • 15kV ESD: LT1039A

The LT1039 is a triple RS232 driver/receiver that includes shutdown. Each receiver will accept up to ±30V input and can drive either TTL or CMOS logic. The RS232 drivers accept TTL logic inputs and output RS232 voltage levels. The outputs are fully protected against overload and can be shorted to ground or up to ±30V without damage to the drivers. Additionally, when the system is shut down or power is off, the outputs are in a high impedance state allowing data line sharing. Bipolar circuitry makes this driver/receiver exceptionally rugged against overloads and immune to latchup.

A BIAS pin allows one receiver to be kept on while the rest of the part is shut down.

The LT1039 is also available in the 16-pin version, without shutdown or BIAS pin functions.

For applications requiring operation from a single 5V supply, see the LT1080/LT1081, LT1180A/LT1181A and LT1130A data sheets. For applications requiring 15kV ESD, see the LT1039A.

Applications

  • RS232 Interface
  • Terminals
  • Modems
LT1039
RS232 Driver/Receiver with Shutdown
Driver Output Swing Product Package 1 Product Package 2
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Documentation

Data Sheet 1

Reliability Data 1

Design Note 1

Data Sheet

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