LTM2881Y-3(RevA) Datasheet PDF - Linear Technology

DESCRIPTION
The LTM®2881 is a complete galvanically isolated full-duplex RS485/RS422 µModule® transceiver. No external components are required. A single supply powers both sides of the interface through an integrated, isolated, low noise, efficient 5V output DC/DC converter.

FEATURES
â–  Isolated RS485/RS422 Transceiver: 2500VRMS
â–  Isolated DC Power: 5V at Up to 200mA
â–  No External Components Required
â–  20Mbps or Low EMI 250kbps Data Rate
■ High ESD: ±15kV HBM on Transceiver Interface
■ High Common Mode Transient Immunity: 30kV/μs
■ Integrated Selectable 120Ω Termination
â–  3.3V (LTM2881-3) or 5.0V (LTM2881-5) Operation
â–  1.62V to 5.5V Logic Supply Pin for Flexible Digital Interface
â–  Common Mode Working Voltage: 560VPEAK
â–  High Input Impedance Failsafe RS485 Receiver
â–  Current Limited Drivers and Thermal Shutdown
â–  Compatible with TIA/EIA-485-A Specification
â–  High Impedance Output During Internal Fault Condition
■ Low Current Shutdown Mode (< 10µA)
â–  General Purpose CMOS Isolated Channel
■ Small, Low Profile (15mm × 11.25mm × 2.8mm)
   Surface Mount BGA and LGA Packages

APPLICATIONS
â–  Isolated RS485/RS422 Interface
â–  Industrial Networks
â–  Breaking RS485 Ground Loops