SP485E - Half-Duplex RS-485 Line Transceiver SOIC - Cover Expand

SP485E - Half-Duplex RS-485 Line Transceiver SOIC



The SP485E is a cost-effective Half-Duplex Line Transceiver SOIC with enhanced ESD protection, and support for both RS-485 & RS-422 serial protocols.

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As many of you Makers will know, the RS-485 protocol has been out for a good number of years now, and has been used for a very wide range of applications from standard office networking through to Serial Control for machines in industrial settings. This widespread popularity is largely due to the surprising level of versatility that this protocol offers, with two-way interfacing and the ability to connect up to 32 slave systems to a single master.

The Sipex SP485E is a Half-Duplex RS-485 Differential Line Transceiver SOIC that has been designed for both professional and hobbyist use, and is capable of both the RS-485 and the RS-422 protocols. It has been specially equipped with Enhanced ESD protection of up to +15KV for HBM and IEC1000-4-2, which works in conjunction with the classic twisted pair technique to drastically reduce incoming noise and interference. This is exceptionally valuable in industrial settings like large factories (or simply large offices with loads of computers), as it ensures that your commands and Communications will reach the desired destination with optimal clarity and very little loss.

These chips offer an SOIC surface mount design, and operate on the common 5V voltage range. This makes it a very usable chip for hobbyists as well, allowing Makers like to equip projects with long distance, high reliability, multi-drop communications for whatever projects we need it for.

For more insights into the complex inner working of this fantastic little SOIC chip, be sure to check out the downloads section above to find the Datasheet.

Please Note: These units are priced individually but sold in minimum order quantities of five (5), so as to save on shipping costs and reduce the overall price for each unit.


SP485E Half-Duplex RS-485 Line Transceiver SOIC  -  Technical Specifications:

  • Manufacturer

– Sipex                                                                                 

  • Model No.

– SP485E

  • Package Type


  • Mounting Type

– Surface Mount

  • Typical Single Supply Voltage

– 5V

  • Interface Standards

– RS-485 | RS-422

  • Transmitter/Receiver Signal Type

– Differential

  • Data Rate

– 10Mbps

  • Pin Count

– 8

  • No. of Transmitters

– 1

  • No. of Receivers

– 1

  • No. of Transceivers

– 1

  • No. of Drivers per Line

– 32

  • No. of Receivers per Line

– 32

  • Safe Operating Temperatures

– -40° to +85°C

  • Dimensions

– 4.9 x 3.9 x 1.65mm


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SP485E - Half-Duplex RS-485 Line Transceiver SOIC

SP485E - Half-Duplex RS-485 Line Transceiver SOIC