LTC2862IDD-1#TRPBF

Drivers, Receivers, Transceivers Overview

The LTC2862IDD-1#TRPBF is a half-duplex RS-485/RS-422 transceiver manufactured by Analog Devices Inc. It operates on a 3V to 5.5V supply voltage and supports data rates up to 20Mbps or low EMI 250kbps. The device features ±60V overvoltage fault protection on interface pins during all modes, including power-down. It provides ±15kV ESD protection on interface pins and an extended common mode range of ±25V. Packaged in an 8-lead DFN with an exposed pad, it operates within a temperature range of -40°C to +85°C.

Drivers, Receivers, Transceivers Feature Summary

• Protected from overvoltage line faults up to ±60V
• Enhanced ESD protection with ±15kV on interface pins
• Extended common mode input range of ±25V
• Guaranteed failsafe receiver operation

Drivers, Receivers, Transceivers Applications

• Supervisory Control and Data Acquisition (SCADA)
• Industrial control and instrumentation networks
• Automotive and transportation electronics
• Building automation, security systems, and HVAC

Drivers, Receivers, Transceivers Procurement Notes

Verify the specific ordering suffix #TRPBF confirms tape and reel packaging when sourcing components. Confirm the IDD grade designation matches the required industrial operating temperature range of -40°C to +85°C for your application environment. Ensure the DFN package footprint aligns with your PCB layout constraints.

Drivers, Receivers, Transceivers Selection Notes

Select this component for applications requiring high noise immunity and robust fault tolerance on RS-485 or RS-422 buses. The half-duplex configuration suits point-to-point or multi-drop networks where bidirectional communication occurs sequentially. Consider the 20Mbps rate for high-speed needs or the 250kbps mode for reduced electromagnetic interference.

Drivers, Receivers, Transceivers Part Context

This part belongs to the LTC2862A series of low-power transceivers designed for harsh electrical environments. It shares pin compatibility with legacy parts like the LT1785 and LT1791, facilitating direct upgrades. The IDD suffix indicates the industrial temperature grade variant within the broader product family.

Drivers, Receivers, Transceivers Replacement Considerations

LTC2862CDD-1#TRPBF

Drivers, Receivers, Transceivers FAQ

Does the LTC2862 support operation during power-down?

Yes, the device maintains ±60V fault protection on the A and B pins even when the VCC supply is removed or in shutdown mode.

What is the differential input threshold voltage?

The receiver has fully balanced differential thresholds with a typical hysteresis of 150mV, ensuring reliable detection of signals above ±200mV.

How does the device handle open bus conditions?

It guarantees failsafe operation, forcing the receiver output to a logic high state if the differential input voltage falls below the threshold due to an open circuit.