LTC2857IMS8-1#TRPBF

Drivers, Receivers, Transceivers Overview

The Analog Devices LTC2857IMS8-1#TRPBF is a low-power, full-duplex RS485/RS422 transceiver operating on a 5V supply. It supports maximum data rates of 20Mbps or 250kbps for low EMI applications. The receiver features a one-eighth unit load, supporting up to 256 nodes per bus (C and I grades). It includes enhanced ESD protection rated at ±15kV HBM, current-limited drivers, thermal shutdown, and guaranteed failsafe operation over the entire common mode range.

Drivers, Receivers, Transceivers Feature Summary

• Full-duplex communication with independent driver and receiver channels
• Enhanced electrostatic discharge protection rated at ±15kV human body model
• High input impedance allowing connection of up to 256 nodes on the bus
• Integrated thermal shutdown and current limiting for fault protection

Drivers, Receivers, Transceivers Applications

• Industrial automation networks requiring robust RS485/RS422 communication
• Backplane transceivers in embedded systems
• Level translation interfaces between logic domains
• Low electromagnetic interference environments utilizing slew rate limiting

Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix #TRPBF indicates tape and reel packaging when sourcing this component. Confirm the IMS8 designation corresponds to the MSOP-8 package type required for your PCB layout. Ensure the temperature grade 'I' meets your operational environmental specifications before finalizing procurement orders.

Drivers, Receivers, Transceivers Selection Notes

Select the LTC2857 variant specifically for full-duplex requirements, as opposed to half-duplex alternatives like the LTC2856. Choose the '-1' suffix for high-speed 20Mbps operation or '-2' for 250kbps low EMI modes. Verify that the MSOP-8 package dimensions align with your available footprint constraints and thermal management strategy.

Drivers, Receivers, Transceivers Part Context

This component belongs to the LTC285x family of low-power transceivers designed for harsh electrical environments. It shares architectural similarities with the LTC2856 and LTC2858 series but differs in duplex capability and enable pin configurations. The family emphasizes high node count support and robust protection against bus faults and static discharge events.

Drivers, Receivers, Transceivers Replacement Considerations

Public confirmed substitute part numbers are not provided in the source documentation.