LTC2864
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LTC2864

±60V Fault Protected 3V to 5.5V RS485/RS422 Transceivers

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Info: : PRODUCTION tooltip
Info: : PRODUCTION tooltip
Part Details
Part Models 28
1ku List Price Starting From $1.97
Features
  • Protected from Overvoltage Line Faults to ±60V
  • 3V to 5.5V Supply Voltage
  • 20Mbps or Low EMI 250kbps Data Rate
  • ±15kV ESD Interface Pins, ±8kV All Other Pins
  • Extended Common Mode Range: ±25V
  • Guaranteed Fail-safe Receiver Operation
  • High Input Impedance Supports 256 Nodes
  • 1.65V to 5.5V Logic Supply Pin (VL) for Flexible Digital Interface (LTC2865)
  • MP-Grade Option Available (–55°C to 125°C)
  • Fully Balanced Differential Receiver Thresholds for Low Duty Cycle Distortion
  • Current Limited Drivers and Thermal Shutdown
  • Pin Compatible with LT1785 and LT1791
  • Available in DFN and Leaded Packages
Additional Details
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The LTC2862/LTC2863/LTC2864/LTC2865 are low power, 20Mbps or 250kbps RS485/RS422 transceivers operating on 3V to 5.5V supplies that feature ±60V overvoltage fault protection on the data transmission lines during all modes of operation, including power-down. Low EMI slew rate limited data transmission is available in a logic-selectable 250kbps mode in the LTC2865 and in 250kbps versions of the LTC2862-LTC2864. Enhanced ESD protection allows these parts to withstand ±15kV HBM on the transceiver interface pins without latch-up or damage.

Extended ±25V input common mode range and full fail-safe operation improve data communication reliability in electrically noisy environments and in the presence of large ground loop voltages.

Part Number Duplex Enables Max Data Rate VL Pin
LTC2862-1 Half Yes 20M No
LTC2862-2 Half Yes 250k No
LTC2863-1 Full No 20M No
LTC2863-2 Full No 250k No
LTC2864-1 Full Yes 20M No
LTC2864-2 Full Yes 250k No
LTC2865 Full Yes 20M/250k Yes

Applications

  • Supervisory Control and Data Acquisition (SCADA)
  • Industrial Control and Instrumentation Networks
  • Automotive and Transportation Electronics
  • Building Automation, Security Systems and HVAC
  • Medical Equipment
  • Lighting and Sound System Control
Part Models 28
1ku List Price Starting From $1.97

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Documentation

Documentation

Video

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
LTC2864CDD-1#PBF
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LTC2864HDD-1#PBF
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LTC2864IS-2#PBF
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LTC2864MPS-1#PBF
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Product Lifecycle

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Oct 12, 2022

- 22_0251

Epoxy Change from Henkel 8290 to 8290A for 14-Lead SOIC Package

LTC2864CS-1#PBF

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LTC2864CS-1#TRPBF

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Aug 6, 2022

- 22_0173

Laser Top Mark Conversion for SOICN14 and SOICN16 Packages Assembled on ADPG [PNG]

LTC2864CS-1#PBF

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PCN

Oct 12, 2022

- 22_0251

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Epoxy Change from Henkel 8290 to 8290A for 14-Lead SOIC Package

LTC2864CS-1#PBF

PRODUCTION

LTC2864CS-1#TRPBF

PRODUCTION

LTC2864CS-2#PBF

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LTC2864CS-2#TRPBF

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LTC2864HS-1#PBF

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LTC2864MPS-2#PBF

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LTC2864MPS-2#TRPBF

PRODUCTION

Aug 6, 2022

- 22_0173

arrow down

Laser Top Mark Conversion for SOICN14 and SOICN16 Packages Assembled on ADPG [PNG]

LTC2864CS-1#PBF

PRODUCTION

LTC2864CS-1#TRPBF

PRODUCTION

LTC2864CS-2#PBF

PRODUCTION

LTC2864CS-2#TRPBF

PRODUCTION

LTC2864HS-1#PBF

PRODUCTION

LTC2864HS-1#TRPBF

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LTC2864HS-2#PBF

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LTC2864HS-2#TRPBF

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LTC2864IS-1#PBF

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LTC2864IS-1#TRPBF

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LTC2864IS-2#TRPBF

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LTC2864MPS-1#PBF

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LTC2864MPS-1#TRPBF

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LTC2864MPS-2#PBF

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LTC2864MPS-2#TRPBF

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Software & Part Ecosystem

Software & Part Ecosystem

Evaluation Kit

Evaluation Kits 1

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EVAL-RS485FDEBZ

Standard RS-485 Full-Duplex (14-lead SOIC) Evaluation Board, EVAL-RS485FDEBZ

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EVAL-RS485FDEBZ

Standard RS-485 Full-Duplex (14-lead SOIC) Evaluation Board, EVAL-RS485FDEBZ

Standard RS-485 Full-Duplex (14-lead SOIC) Evaluation Board, EVAL-RS485FDEBZ

Product Detail

The EVAL-RS485FDEBZ allows quick and easy evaluation of full-duplex RS-485 transceivers with standard 14-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, 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.

Tools & Simulations

Tools & Simulations 2

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

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