LTC2858
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LTC2858

20Mbps and Slew Rate Limited 15kV RS485/RS422 Transceiver

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IBIS Model LTC2858-2 IBIS Model Download 110.00KB IBIS Model LTC2858-1 IBIS Model Download 110.00KB
Part Models 24
1ku List Price Starting From $1.89
Features
  • 20Mbps or Low EMI 250kbps Maximum Data Rate
  • No Damage or Latch-up to ESD: ±15kV HBM
  • High Input Impedance Supports 256 Nodes (C, I-Grade)
  • Operation Up to 125°C (H-Grade)
  • Guaranteed Fail-safe 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: 900µA Maximum in Receive Mode
  • Compatible with TIA/EIA-485-A Specifications
  • Available in 8-Lead and 10-Lead 3mm × 3mm DFN and 8-Lead and 10-Lead MSOP Packages
Additional Details
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The LTC2856-1, LTC2856-2, LTC2857-1, LTC2857-2, LTC2858-1 and LTC2858-2 are low power, RS485/RS422 transceivers operating on 5V supplies at maximum data rates of 20Mbps or 250kbps for low EMI. The receiver has a one-eighth unit load, supporting up to 256 nodes per bus (C, I-Grade), and a fail-safe feature that guarantees a high output state under conditions of floating or shorted inputs.

The driver maintains a high output impedance over the entire common mode range when disabled or when the supply is removed. Excessive power dissipation caused by bus contention or a fault is prevented by current limiting all outputs and by thermal shutdown.

Enhanced ESD protection allows these parts to withstand ±15kV (human body model) on the transceiver interface pins without latch-up or damage.

Part Number MAX Data Rate (Mbps) Duplex Package
LTC2856-1 20 Half MSOP-8, DFN-8
LTC2856-2 0.25 Half MSOP-8, DFN-8
LTC2857-1 20 Full MSOP-8, DFN-8
LTC2857-2 0.25 Full MSOP-8, DFN-8
LTC2858-1 20 Full MSOP-10, DFN-10
LTC2858-2 0.25 Full MSOP-10, DFN-10

Applications

  • Low Power RS485/RS422 Transceiver
  • Level Translator
  • Backplane Transceiver
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IBIS Model LTC2858-2 IBIS Model Download 110.00KB IBIS Model LTC2858-1 IBIS Model Download 110.00KB
Part Models 24
1ku List Price Starting From $1.89
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LTC2858

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UPDATED 10/03/2017
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LTC2856-1/LTC2856-2/LTC2857-1/LTC2857-2/LTC2858-1/LTC2858-2: 20Mbps and Slew Rate Limited 15kV RS485/RS422 Transceivers Data Sheet

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UPDATED 02/06/2014
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LTC2856-1/LTC2856-2/LTC2857-1/LTC2857-2/LTC2858-1/LTC2858-2: 20 Mbps、スルーレート制限付き 15 kV RS485 ／ RS422 トランシーバ データシート

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UPDATED 03/26/2018
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UPDATED 06/01/2019
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Documentation

Product Selection Guide 1

Digital Isolation and Interface Technology Selection Guide

Product Selector Card 2

Ultra Rugged ±60V RS485 Transceivers
RS485 Quick Guide

Press Release 1

RS422/RS485 Transceivers Guaranteed over High Temperatures for Automotive Applications

Webcast 1

Innovative Isolated RS-485, SPI and LVDS Communications

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2020-10-28

01:00

Protect your Innovations: from High Precision to High Power

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ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
LTC2858CDD-1#PBF 10-Lead DFN (3mm x 3mm w/ EP) external-link
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LTC2858CDD-1#TRPBF 10-Lead DFN (3mm x 3mm w/ EP) external-link
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LTC2858CDD-2#PBF 10-Lead DFN (3mm x 3mm w/ EP) external-link
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LTC2858CDD-2#TRPBF 10-Lead DFN (3mm x 3mm w/ EP) external-link
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LTC2858CMS-1#PBF 10-Lead MSOP external-link
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LTC2858CMS-1#TRPBF 10-Lead MSOP external-link
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LTC2858CMS-2#PBF 10-Lead MSOP external-link
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LTC2858CMS-2#TRPBF 10-Lead MSOP external-link
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LTC2858HDD-1#PBF 10-Lead DFN (3mm x 3mm w/ EP) external-link
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LTC2858HDD-1#TRPBF 10-Lead DFN (3mm x 3mm w/ EP) external-link
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LTC2858HDD-2#PBF 10-Lead DFN (3mm x 3mm w/ EP) external-link
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LTC2858HDD-2#TRPBF 10-Lead DFN (3mm x 3mm w/ EP) external-link
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LTC2858HMS-1#PBF 10-Lead MSOP external-link
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LTC2858HMS-1#TRPBF 10-Lead MSOP external-link
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LTC2858HMS-2#PBF 10-Lead MSOP external-link
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LTC2858HMS-2#TRPBF 10-Lead MSOP external-link
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LTC2858IDD-1#PBF 10-Lead DFN (3mm x 3mm w/ EP) external-link
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LTC2858IDD-1#TRPBF 10-Lead DFN (3mm x 3mm w/ EP) external-link
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LTC2858IDD-2#PBF 10-Lead DFN (3mm x 3mm w/ EP) external-link
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LTC2858IDD-2#TRPBF 10-Lead DFN (3mm x 3mm w/ EP) external-link
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LTC2858IMS-1#PBF 10-Lead MSOP external-link
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LTC2858IMS-1#TRPBF 10-Lead MSOP external-link
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LTC2858IMS-2#PBF 10-Lead MSOP external-link
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LTC2858IMS-2#TRPBF 10-Lead MSOP external-link
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Jun 5, 2024

- 24_0004

Epoxy Change from Henkel 8290 to 8290A for MSOP (3)

LTC2858CMS-1#PBF

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LTC2858CMS-1#TRPBF

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Feb 4, 2020

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Laser Top Mark Conversion for 10-Lead MSOP Packages Assembled in ADPG and UTAC

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LTC2858CMS-1#TRPBF

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LTC2858CMS-2#PBF

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Oct 11, 2022

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Epoxy Change from Henkel 8290 to 8290A for MSOP Package

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Jul 12, 2022

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UTAC Thai Limited (UTL) as Alternate Assembly Site for MSOP Packages [With Modification in BOM]

LTC2858IMS-2#PBF

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Jun 21, 2022

- 22_0050

UTAC Thai Limited (UTL) as Alternate Assembly Site for MSOP Packages / Devices

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Jun 5, 2024

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Epoxy Change from Henkel 8290 to 8290A for MSOP (3)

LTC2858CMS-1#PBF

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Feb 4, 2020

- 20_0130

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Laser Top Mark Conversion for 10-Lead MSOP Packages Assembled in ADPG and UTAC

LTC2858CMS-1#PBF

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LTC2858CMS-1#TRPBF

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PCN20_0130_Form

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Oct 11, 2022

- 22_0244

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Epoxy Change from Henkel 8290 to 8290A for MSOP Package

LTC2858CMS-2#PBF

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LTC2858CMS-2#TRPBF

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LTC2858HMS-2#PBF

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PCN22_0244_Form

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Material_Report

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Delta Qualification Matrix

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Jul 12, 2022

- 22_0157

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UTAC Thai Limited (UTL) as Alternate Assembly Site for MSOP Packages [With Modification in BOM]

LTC2858IMS-2#PBF

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LTC2858IMS-2#TRPBF

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PCN22_0157_Form

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Detailed Parts List
Jun 21, 2022

- 22_0050

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UTAC Thai Limited (UTL) as Alternate Assembly Site for MSOP Packages / Devices

LTC2858IMS-2#PBF

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LTC2858IMS-2#TRPBF

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pdf

PCN22_0050_Form

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Qualification Results Summary

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Delta Qualification Matrix

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Software & Part Ecosystem

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Isolated RS-4851
LTM2881
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Complete Isolated RS485/RS422 μModule Transceiver + Power

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