LTC2855 - Linear Technology

LTC2855 3.3V 20Mbps RS485/RS422 Transceivers

The LTC®2854 and LTC2855 are low power, 20Mbps RS485/RS422 transceivers operating on 3.3V supplies. The receiver includes a logic-selectable 120Ω termination, one-eighth unit load supporting up to 256 nodes per bus (C, I-Grade), and a failsafe feature that guarantees a high output state under conditions of floating or shorted inputs. The driver maintains a hi.

Features

Integrated, Logic-Selectable 120Ω Termination Resistor
■ 3.3V Supply Voltage
■ 20Mbps Maximum Data Rate
■ No Damage or Latchup Up to ±25kV HBM
■ High Input Impedance Supports 256 Nodes www.DataSheet4U.com (C, I-Grade)
■ Operation Up to 125°C (H-Grade)
■ Guaranteed Failsafe Receiver Operation Over the Entire Common Mode Range
■ Current Limited Drivers and Thermal Shutdown
■ Delayed Micropower Shutdown: 5μA Maximum (C, I-Grade)
■ Power Up/Down Glitch-Free Driver Outputs
■ Low Operating Current: 370μA Typical in Receive Mode
■ Compatible with TIA/EIA-485-A Specifications
■ Available in 10-Pin 3mm .