LTC2862

PRODUCTION

±60V Fault Protected 3V to 5.5V RS485/RS422 Transceivers

Analog Devices LTC2862 Product Info

10 February 2026 6

Features

Protected from Overvoltage Line Faults to ±60V
3V to 5.5V Supply Voltage
20Mbps or Low EMI 250kbps Data Rate
±15kV ESD Interface Pins, ±8kV All Other Pins
Extended Common Mode Range: ±25V
Guaranteed Fail-safe Receiver Operation
High Input Impedance Supports 256 Nodes

1.65V to 5.5V Logic Supply Pin (V_L) for Flexible Digital Interface (LTC2865)
MP-Grade Option Available (–55°C to 125°C)
Fully Balanced Differential Receiver Thresholds for Low Duty Cycle Distortion
Current Limited Drivers and Thermal Shutdown
Pin Compatible with LT1785 and LT1791
Available in DFN and Leaded Packages

Part details & applications

The LTC2862/LTC2863/LTC2864/LTC2865 are low power, 20Mbps or 250kbps RS485/RS422 transceivers operating on 3V to 5.5V supplies that feature ±60V overvoltage fault protection on the data transmission lines during all modes of operation, including power-down. Low EMI slew rate limited data transmission is available in a logic-selectable 250kbps mode in the LTC2865 and in 250kbps versions of the LTC2862-LTC2864. Enhanced ESD protection allows these parts to withstand ±15kV HBM on the transceiver interface pins without latch-up or damage.

Extended ±25V input common mode range and full fail-safe operation improve data communication reliability in electrically noisy environments and in the presence of large ground loop voltages.


Part Number	Duplex	Enables	Max Data Rate	V_L Pin
LTC2862-1	Half	Yes	20M	No
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