LTC2855IDE#TRPBF Analog Devices Compliant IC TXRX RS485/RS422 12-DFN

2025/11/4 0

• ±25 V fault protection on driver output and receiver input pins

• ±15 kV ESD protection ensures reliability under harsh conditions

• 1/8 unit load receiver allows up to 256 transceivers on a single bus

• Low power consumption, 1 µA shutdown current

• Hot swap capability and thermal shutdown protection

CATALOG

United States

Malaysia

Bus Interface Standard	RS485 / RS422 (half-duplex)
Supply Voltage (VCC)	3.0 V to 5.5 V
Data Rate	Up to 20 Mbps
Driver Output Differential Voltage	±1.5 V (typical)
Receiver Input Sensitivity	±200 mV
Input Resistance	96 kΩ (one-eighth unit load)
Receiver Threshold Voltage	–200 mV to +200 mV
Fail-Safe Feature	Open, shorted, or terminated bus fail-safe

• Package Type: 8-Lead DFN (Dual Flat No-Lead)

• Package Code: DFN-8 (3 mm × 3 mm)

• Mounting Type: Surface Mount (SMT)

• Pin Count: 8 pins

• Thermal Resistance (θJA): 43 °C/W (typical)

• Moisture Sensitivity Level (MSL): Level 1 (unlimited floor life at ≤ 30 °C / 85 % RH)

• Package Material: Lead-free, RoHS-compliant molding compound

• Tape and Reel Packaging: 2,500 pcs per reel (suffix “#TRPBF”)

• Industrial Automation & Control Systems– RS485-based fieldbus networks (Modbus, Profibus, BACnet)– PLC communication interfaces

• Energy & Power Systems– Smart meters, solar inverters, power distribution units

• Automotive & Transportation– In-vehicle networks and diagnostics interfaces– Battery management systems (BMS)

• Building Automation & Security– Access control systems, HVAC controllers, elevator monitoring

• Instrumentation & Measurement– Data acquisition systems, process monitoring, sensor nodes