LTC485

PRODUCTION

Low Power RS485 Interface Transceiver

Data Sheet
Part Models
6
1ku List Price
Starting From $1.39
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Part Details

  • Low Power: ICC = 300μA Typ
  • Designed for RS485 Interface Applications
  • Single 5V Supply
  • –7V to 12V Bus Common Mode Range Permits ±7V Ground Difference Between Devices on the Bus
  • Thermal Shutdown Protection
  • Power-Up/Down Glitch-Free Driver Outputs Permit Live Insertion or Removal of Transceiver
  • Driver Maintains High Impedance in Three-State or with the Power Off
  • Combined Impedance of a Driver Output and Receiver Allows Up to 32 Transceivers on the Bus
  • 70mV Typical Input Hysteresis
  • 30ns Typical Driver Propagation Delays with 5ns Skew for Up to 2.5MB Operation
  • Pin Compatible with ±60V Protected LTC2862
LTC485
Low Power RS485 Interface Transceiver
Driver Outputs Product Package 1
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Documentation

Data Sheet 1

Reliability Data 1

Design Note 2

Data Sheet

This is the most up-to-date revision of the Data Sheet.

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Hardware Ecosystem

Parts Product Life Cycle Description
Interface Transceivers & Isolators 2
LTM2881
PRODUCTION Complete Isolated RS485/RS422 μModule Transceiver + Power
LTC2862
PRODUCTION ±60V Fault Protected 3V to 5.5V RS485/RS422 Transceivers
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Evaluation Kits

eval board
schematic 1
EVAL-RS485HDEBZ

Standard RS-485 Half-Duplex Evaluation Board, EVAL-RS485HDEBZ

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Product Details

The EVAL-RS485HDEBZ allows quick and easy evaluation of half-duplex RS-485 transceivers with standard 8-lead SOIC footprints. The evaluation board allows interfacing via screw terminal block to digital I/O for driver input (DI), receiver output (RO), driver enable (DE) and receiver output (RO). Bus signals A and B (half-duplex bus) can be connected to a bus screw terminal block. One or two termination resistors can be connected to A and B via jumper settings, in order to evaluation the half-duplex RS-485 driver and receiver. Footprints are provided for pull-up and pull-down (biasing resistors) on the bus.

Devices for evaluation on the board must be ordered separately.
EVAL-RS485HDEBZ
Standard RS-485 Half-Duplex Evaluation Board, EVAL-RS485HDEBZ
EVAL-RS485HDEBZ Image

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