LTC2851

PRODUCTION

3.3V 20Mbps RS485/RS422 Transceiver

Data Sheet Product Selection Table
Part Models
24
1ku List Price
Starting From $1.89
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Part Details

  • 3.3V Supply Voltage
  • 20Mbps Maximum Data Rate
  • No Damage or Latchup Up to ±15kV HBM
  • High Input Impedance Supports 256 Nodes (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 8-Pin and 10-Pin 3mm × 3mm DFN, 8-Pin and 10-Pin MSOP, and 8-Pin and 14-Pin SO Packages
LTC2851
3.3V 20Mbps RS485/RS422 Transceiver
LTC2850 at 20Mbps Into 54Ω Product Package 1 Product Package 2 Product Package 3 Product Package 4 Product Package 5 Product Package 6 Product Package 7 Product Package 8 Product Package 9
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Documentation

Data Sheet 1

Reliability Data 1

User Guide 1

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
Isolated RS-485 1
LTM2881
PRODUCTION Complete Isolated RS485/RS422 μModule Transceiver + Power
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Tools & Simulations

IBIS Model 1

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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