LTC1543CG#TRPBF

Drivers, Receivers, Transceivers Overview

The LTC1543CG#TRPBF is a software-selectable multiprotocol transceiver manufactured by Analog Devices Inc. It operates from a single 5V supply and integrates an internal charge pump requiring only five surface-mounted capacitors. The device features three drivers and three receivers housed in a 28-lead SSOP package. It supports RS232, RS449, EIA530, EIA530-A, V.35, V.36, and X.21 protocols via mode select pins M0, M1, and M2. Operating temperature range for the C-grade variant is 0°C to 70°C.

Drivers, Receivers, Transceivers Feature Summary

• Software-selectable protocol support for multiple serial standards
• Internal charge pump eliminates external high-voltage generation components
• Integrated fail-safe receiver operation prevents logic errors during floating inputs

Drivers, Receivers, Transceivers Applications

• Data networking equipment interfaces
• Channel Service Unit (CSU) and Data Service Unit (DSU) implementations
• Data router serial port configurations

Drivers, Receivers, Transceivers Procurement Notes

Verify component authenticity through authorized distribution channels. Confirm RoHS compliance status and check for Product Change Notifications regarding manufacturing updates. Ensure the specific ordering suffix matches the required package and temperature grade specifications.

Drivers, Receivers, Transceivers Selection Notes

Select this component when designing flexible serial ports requiring hardware-level protocol switching. Verify that the application utilizes the LTC1344A for cable termination if V.35 or V.11 impedance matching is required. Ensure the design accommodates the necessary external capacitors for the internal charge pump circuitry.

Drivers, Receivers, Transceivers Part Context

This part belongs to the LTC1543 series of multiprotocol transceivers. It is designed to work alongside the LTC1544 control signal generator and the LTC1344A cable termination chip to form complete DTE or DCE interface ports.

Drivers, Receivers, Transceivers Replacement Considerations

No public confirmed substitute part numbers are available.