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LTC2856-2 Datasheet 20Mbps and Slew Rate Limited 15kV RS485/RS422 Transceivers

Manufacturer: Linear Technology (now Analog Devices)

Download the LTC2856-2 datasheet PDF. This datasheet also includes the LTC2856-1 variant, as both parts are published together in a single manufacturer document.

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Note: The manufacturer provides a single datasheet file (LTC2856-1_LinearTechnology.pdf) that lists specifications for multiple related part numbers.

General Description

The LTC®2856-1, 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 failsafe

Overview

LTC2856-1/LTC2856-2 LTC2857-1/LTC2857-2 LTC2858-1/LTC2858-2 20Mbps and Slew Rate Limited 15kV RS485/RS422.

Key Features

  • nn 20Mbps or Low EMI 250kbps Maximum Data Rate nn No Damage or Latchup to ESD: ±15kV HBM nn High Input Impedance Supports 256 Nodes (C, I-Grade) nn Operation Up to 125°C (H-Grade) nn Guaranteed Failsafe Receiver Operation Over the Entire Common Mode Range nn Current Limited Drivers and Thermal Shutdown nn Delayed Micropower Shutdown: 5µA Maximum (C, I-Grade) nn Power Up/Down Glitch-Free Driver Outputs nn Low Operating Current: 900µA Maximum in Receive Mode nn Compatible with TIA/EIA-485-A Specif.