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10Mbps, 3.3-5V powered, Half-duplex RS-485 Transceiver --- SCM3406ASA

MORNSUN 10Mbps, 3.3-5V powered, Half-duplex RS-485 Transceiver --- SCM3406ASA.jpg

Introduction

SCM3406ASA is a half-duplex low-power consumption transceiver that is fully compliant with TIA/EIA-485A standard

Powered by a 3-5.5VDC supply, its Bus-Pin ESD protection is up to 15 kV HBM and the bus fault-tolerant voltage range is -15V to +15V.


It consists of a driver and a receiver, both of which can be enabled and disabled independently, and when both are disabled, the driver and receiver output a high resistance state.


SCM3406ASA has only 1/8 of the standard load, which allows up to 256 nodes on a bus, making it suitable for data transmission up to 10 Mbps. And the SCM3406ASA features fail-safe and short-circuit (current-limiting) protection.



Applications

RS-485 transceiver can be widely used in the fields of industrial automation, building automation, intelligent electricity meters, remote signal interaction, transmission, etc.


Typical circuit 1: Half-duplex network topology

Typical circuit for RS-485 Transceiver: Half-duplex network topology.jpg

Typical circuit 2: Typical transceiver design

Typical circuit for RS-485 Transceiver: Typical transceiver design.jpg

Typical circuit 3: RS485 protocol transceiver integrating power isolation, signal isolation, RS485 communication and bus protection

RS485 protocol transceiver integrating power isolation, signal isolation, RS485 communication and bus protection.jpg

MORNSUN has well-matched solution for Fixed-input IC + 485 IC + Digital isolation IC + Transformer + Surge protection module


Features

  • 3.0-5.5V wide power supply range

  • Operating temperature range: -40℃ to +125℃

  • Bus-Pin ESD: 15 kV HBM

  • Bus fault-tolerant voltage range is -15V to +15V

  • Baud rate up to 10 Mbps in an electrical noise environment

  • 1/8 Unit Load: up to 256 Nodes on a Bus

  • Driver short circuit protection

  • Receiver open circuit failure protection

  • Strong resistance to noise

* For detailed information please refer to the related datasheet, product news is for reference only.
Please refer to the technical manual for specific product parameters:

Series Busform VCC Signaling Rate(Max) (Mbps) No of Channel Interface Voltage Explicit Timeout Nodes Number Package Features Duplex Mode Datasheet Sample Buy
SCM3406A RS-485 3-5.5 10 1 -15~+15 - 256 SOP-8 - Half
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