LTC1480CS8#TRPBF

Drivers, Receivers, Transceivers Overview

The LTC1480CS8#TRPBF is a 3.3V ultralow power RS-485 transceiver in an 8-lead SOIC package. It supports data rates up to 2.5Mb/s with a single 3.3V supply. Quiescent current is typically 300µA when enabled and drops to 1µA in shutdown mode. The device features a –7V to +12V common-mode range, thermal shutdown protection, and glitch-free driver outputs for live insertion. It operates within the commercial temperature range of 0°C to 70°C.

Drivers, Receivers, Transceivers Feature Summary

• Operates from a single 3.3V supply while maintaining full RS-485 compatibility
• Features extended common-mode range supporting ±7V ground differences between devices
• Includes thermal shutdown circuitry to prevent damage during bus contention or faults
• Provides glitch-free driver outputs to permit safe live insertion or removal

Drivers, Receivers, Transceivers Applications

• Battery-powered RS-485/RS-422 communication systems
• Low power industrial sensor networks
• Level translation interfaces

Drivers, Receivers, Transceivers Procurement Notes

Verify the #TRPBF suffix confirms tape and reel packaging and lead-free compliance. Confirm the S8 designation matches the required narrow SOIC footprint. Ensure the component grade aligns with the intended operating temperature environment before finalizing procurement orders.

Drivers, Receivers, Transceivers Selection Notes

Select this part for applications requiring minimal power consumption from a 3.3V rail. It serves as a pin-compatible replacement for the LTC485. Consider the LTC1481 if a 5V supply is available, or the LTC1483 if low EMI emissions are critical for the specific design constraints.

Drivers, Receivers, Transceivers Part Context

This component belongs to the LTC1480 series of ultralow power transceivers. It shares the same package outline and pinout as the standard LTC485 but optimizes current draw for battery operation. The CS8 variant specifically denotes the commercial temperature range version housed in the plastic small outline package.

Drivers, Receivers, Transceivers Replacement Considerations

LTC485CS8#PBF: Pin-compatible alternative designed for 5V supplies rather than 3.3V.

Drivers, Receivers, Transceivers FAQ

How does the LTC1480 handle driver contention?

The device includes a current limiting scheme that restricts short-circuit current to approximately 70mA, preventing excessive power dissipation during bus contention.

What conditions trigger the thermal shutdown feature?

Thermal shutdown activates when internal temperatures reach 150°C, forcing outputs to high impedance until the temperature cools to 130°C.