LTC1686

PRODUCTION

52Mbps Precision Delay RS485 Fail-Safe Transceivers

Data Sheet Product Selection Table
Part Models
4
1ku List Price
Starting From $6.03
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Part Details

  • Precision Propagation Delay Over Temperature: Receiver/Driver: 18.5ns ±3.5ns
  • High Data Rate: 52Mbps
  • Low tPLH/tPHL Skew: Receiver/Driver: 500ps Typ
  • –7V to 12V RS485 Input Common Mode Range
  • Guaranteed Fail-Safe Operation Over the Entire Common Mode Range
  • High Input Resistance: ≥22k, Even When Unpowered
  • Short-Circuit Protected
  • Thermal Shutdown Protected
  • Driver Maintains High Impedance in Three-State or with Power Off
  • Single 5V Supply
  • Pin Compatible with LTC490/LTC491
  • 45dB CMRR at 26MHz
LTC1686
52Mbps Precision Delay RS485 Fail-Safe Transceivers
10Mbps Data Pulse 400 Feet Category 5 UTP Product Package 1 Product Package 2
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Documentation

Data Sheet 1

Reliability Data 1

Design Note 1

Data Sheet

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

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Evaluation Kits

eval board
schematic 1
EVAL-RS485FD8EBZ

Standard RS-485 Full-Duplex (8-lead SOIC) Evaluation Board, EVAL-RS485FD8EBZ

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Product Details

The EVAL-RS485FD8EBZ allows quick and easy evaluation of full-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) and receiver output (RO). Bus signals A, B, Y and Z (full-duplex bus) can be connected to a bus screw terminal block. Termination resistors are fitted across A and B, as well as Y and Z. These can be connected in half-duplex configuration (A to Y, B to Z), in order to evaluate the RS-485 driver. Footprints are provided for pull-up and pull-down (biasing resistors) on the receiver inputs in order to provide the option to evaluate an RS-485 receiver with this configuration.

Devices for evaluation on the board must be ordered separately.
EVAL-RS485FD8EBZ
Standard RS-485 Full-Duplex (8-lead SOIC) Evaluation Board, EVAL-RS485FD8EBZ
Eval-RS485FD8EBZ

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