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LTC1543IG#PBF is listed in the Drivers, Receivers, Transceivers range at ChipApex. The manufacturer field lists Analog Devices Inc.. Its product description is IC TRANSCEIVER FULL 3/3 28SSOP. Review the specifications below when checking this part for your BOM.
The LTC1543IG#PBF 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 'I' suffix is -40°C to +85°C.
Verify the specific ordering suffix against official documentation to confirm temperature grade and packaging type. Ensure the component matches the required interface standard before integration. Confirm RoHS compliance status through the manufacturer's current product information sheet.
Select this component when designing interfaces requiring flexible protocol selection without hardware changes. Verify that the system design accommodates the required external capacitors for the charge pump circuit. Ensure the controller can drive the mode select pins correctly to configure the desired protocol.
This part belongs to the LTC1543 series of multiprotocol transceivers. It is designed to work alongside companion chips like the LTC1544 and LTC1344A to form complete DTE or DCE interface ports with cable termination capabilities.
Public confirmed substitute part numbers are not available in the provided documentation.
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