LTC1535CSW#PBF

Drivers, Receivers, Transceivers Overview

The LTC1535CSW#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, enabling half or full duplex communication. It features robust electrostatic discharge protection rated at 8 kV. The component functions reliably across an operating temperature range from 0°C to +70°C and draws a typical supply current of 63 mA. It is housed in a 28-SOIC surface-mount package.

Drivers, Receivers, Transceivers Feature Summary

• Integrated galvanic isolation for RS-485 communication interfaces
• High electrostatic discharge protection capability
• Supports both half-duplex and full-duplex operation modes

Drivers, Receivers, Transceivers Applications

• Industrial automation control systems requiring isolated serial communication
• Building automation networks utilizing RS-485 protocols
• Process control instrumentation with ground potential differences

Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix #PBF confirms lead-free compliance and RoHS standards before procurement. Confirm the SOIC-28 package dimensions match the target PCB footprint. Ensure the operating temperature range meets the environmental requirements of the final assembly. Cross-reference the manufacturer part number with official Analog Devices documentation to avoid counterfeit components.

Drivers, Receivers, Transceivers Selection Notes

Select this component when isolated RS-485 connectivity is required for noise immunity. The 250 kb/s speed suits standard industrial bus applications. Consider the 63 mA supply current for power budget calculations. The 28-SOIC package offers a balance between isolation creepage distance and board space constraints compared to smaller packages.

Drivers, Receivers, Transceivers Part Context

This part belongs to the LTC1535 series of isolated interface transceivers. It provides electrical isolation between the logic side and the bus side of RS-485 networks. The device simplifies design by integrating isolation barriers directly into the IC package. It serves as a critical component for ensuring signal integrity in electrically noisy industrial environments.

Drivers, Receivers, Transceivers Replacement Considerations

Direct replacements include other isolated RS-485 transceivers with similar pinouts and isolation ratings. Verify that substitute parts support the same 4.5 V to 7.5 V supply range and 250 kb/s data rate. Check for compatible ESD protection levels and operating temperature ranges. Ensure the replacement maintains the half/full duplex functionality.