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MAX3485ESA - RS485/RS422 transceiver

General Description

The MAX3485E is a 3.3V powered, half-duplex, lowpower RS-485 transceiver that fully meets the requirements of the TIA/EIA-485 standard.

The MAX3485E includes a driver and a receiver, both of which can be independently enabled and disabled.

Key Features

  • fail-safe, over temperature protection, current limit protection, over-voltage protection, and other functions. 2.Features 3.3V power supply, half-duplex 1/8 unit load allows up to 256 devices on the bus Driver output short-circuit protection function Over temperature protection function Low power shutdown function Receiver open circuit protection function Strong anti-noise ability Integrated transient voltage resistance function Transmission rate up to 12Mbps in an electrical noise environment.

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Datasheet Details

Part number MAX3485ESA
Manufacturer UMW
File Size 2.55 MB
Description RS485/RS422 transceiver
Datasheet download datasheet MAX3485ESA Datasheet

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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UMW MAX3485ESA 3.3V power supply, up to 256 nodes, 12Mbps half-duplex, RS485/RS422 transceiver 1.Description The MAX3485E is a 3.3V powered, half-duplex, lowpower RS-485 transceiver that fully meets the requirements of the TIA/EIA-485 standard. The MAX3485E includes a driver and a receiver, both of which can be independently enabled and disabled. When both are disabled, both the driver and the receiver output a high impedance state. The MAX3485E has a 1/8 load that allows 256 MAX3485E transceivers to be connected to the same communication bus. Error-free data transfer of up to 12Mbps is possible. The MAX3485E operates from a voltage range of 3.0 to 3.6V and features fail-safe, over temperature protection, current limit protection, over-voltage protection, and other functions. 2.