LTC1535ISW#PBF

Drivers, Receivers, Transceivers Overview

The LTC1535ISW#PBF is an isolated RS-485 transceiver manufactured by Analog Devices Inc. It operates within a supply voltage range of 4.5 V to 7.5 V and supports data rates up to 250 kb/s. The device integrates one driver and one receiver, supporting both half-duplex and full-duplex communication modes. It features ESD protection rated at 8 kV and includes a shutdown function for power management. The component is housed in a 28-pin SOIC package and functions within a temperature range of 0°C to +70°C.

Drivers, Receivers, Transceivers Feature Summary

• Integrated isolation barrier for RS-485 communication
• High electrostatic discharge protection capability
• Configurable duplex operation modes

Drivers, Receivers, Transceivers Applications

• Industrial automation networks requiring galvanic isolation
• Building control systems with RS-485 interfaces
• Process control instrumentation

Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix #PBF indicates lead-free compliance and tube packaging when sourcing. Confirm the ISW designation corresponds to the industrial temperature grade and SOIC-28 package variant. Cross-reference the manufacturer part number against official Analog Devices documentation to ensure authenticity and correct revision level before procurement.

Drivers, Receivers, Transceivers Selection Notes

Select this component when designing circuits that require electrical isolation between the microcontroller and the RS-485 bus. Ensure the system power supply falls within the 4.5 V to 7.5 V operating range. Verify that the required data rate does not exceed 250 kb/s and that the thermal environment remains within the specified commercial/industrial limits for the ISW package.

Drivers, Receivers, Transceivers Part Context

This part belongs to the LTC1535 series of isolated transceivers. It serves as a complete solution for RS-485 applications where signal integrity and noise immunity are critical. The device replaces discrete isolation components, simplifying board layout and reducing overall system size while maintaining reliable data transmission over noisy industrial environments.

Drivers, Receivers, Transceivers Replacement Considerations

Direct substitutes include other parts from the LTC1535 family such as the LTC1535CSW#PBF or LTC1535ISW#TRPBF, depending on required packaging and temperature specifications.