Products > Integrated Circuits (ICs) > SP490EEN
  • SP490EEN

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Hot Sale

Enhanced Full Duplex RS-485 Transceivers

  • Manufacturer :
  • Package/Case :
  • SOP-8
  • Product Categories :
  • Integrated Circuits (ICs)
  • RoHs Status:
  • Lead free / RoHS Compliant
  • In-stock:
  • 2556


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SP490EEN Product Details

The SP490E is a low power differential line driver/receiver meeting RS-485 and RS-422 standards up to 10Mbps. The SP491E is identical to the SP490E with the addition of driver and receiver tri-state enable lines. Both products feature ±200mV receiver input sensitivity, over wide common mode range. The SP490E is available in 8-pin plastic DIP and 8-pin NSOIC packages for operation over the commercial and industrial temperature ranges. The SP491E is available in 14-pin DIP and 14-pin NSOIC packages for operation over the commercial and industrial temperature ranges.

■+5V Only
■Low Power BiCMOS
■Driver/Receiver Enable (SP491E)
■RS-485 and RS-422 Drivers/Receivers
■Pin Compatible with LTC490 and SN75179 (SP490E)
■Pin Compatible with LTC491 and SN75180 (SP491E)
■Improved ESD Specifications:
  ±15kV Human Body Model
  ±15kV IEC1000-4-2 Air Discharge
  ±8kV IEC1000-4-2 Contact Discharge

Technical Parameters

  • Manufacturer
  • Packing
  • Tape & Reel (TR)/Cut Tape (CT)/Tray/Tube
  • RoHs Status
  • Lead free / RoHS Compliant
  • Package/Case
  • SOP-8

SP490EEN Related Products

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Shipping More
Estimated Delivery Time: May 31 - Jun 05 days (choose Expedited at checkout).

Shipping & Payment


  • Shipping Type
  • Ship Fee
  • Lead Time
  • $20.00-$40.00 (0.50 KG)
  • 2-5 days
  • $20.00-$40.00 (0.50 KG)
  • 3-7 days
  • $20.00-$45.00 (0.50 KG)
  • 2-5 days
  • $25.00-$65.00 (0.50 KG)
  • 2-5 days
  • $25.00-$45.00 (0.50 KG)
  • 5-14 days
  • $2.00-$3.00 (0.10 KG)
  • 7-30 days

Processing Time:Shipping fee depend on different zone and country.


  • Terms of payment
  • Hand Fee
  • Payment Site
  • charge US$30.00 banking fee.
  • charge 4.0% service fee.
  • charge 3.5% service fee.
  • charge US$0.00 banking fee.
  • charge US$0.00 banking fee.

We provide high quality products, thoughtful service and after sale guarantee

  • We have rich products, can meet your various needs.

    We have rich products, can meet your various needs.

  • Minimum order quantity starts from 1pcs.

    Minimum order quantity starts from 1pcs.

  • Lowest international shipping fee starts from US$2.00.

    Lowest international shipping fee starts from US$2.00.

  • 90 days quality guarantee for all products.

    90 days quality guarantee for all products.


  • Step1:Product

    Step1: Products

  • Step2:Vacuum packaging

    Step2: Vacuum Packaging

  • Step3:Anti-static bag

    Step3: Anti-Static Bag

  • Step4:Individual packaging

    Step4: Individual Packaging

  • Step5:Packaging boxes

    Step5: Packaging Boxes

  • Step6:bar-code shipping tag

    Step6: Bar-Code Shipping Tag

All the products will packing in anti-staticbag. Ship with ESD antistatic protection.

Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.

We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.

After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.

Jotrin ESD packing


1.We provide 90 days warranty.

2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.


Q: How does Jotrin guarantee that SP490EEN is the original manufacturer or agent of SIPEX/EXAR?
We have a professional business development department to strictly test and verify the qualifications of SIPEX/EXAR original manufacturers and agents. All SIPEX/EXAR suppliers must pass the qualification review before they can publish their SP490EEN devices; we pay more attention to the channels and quality of SP490EEN products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
Q: How to find the detailed information of SP490EEN chips? Including SIPEX/EXAR original factory information, application, SP490EEN pictures?
You can use Jotrin's intelligent search engine, or filter by Integrated Circuits (ICs) category, or find it through SIPEX/EXAR brand manufacturer page.
Q: Are the SIPEX/EXAR's SP490EEN price and stock displayed on the platform accurate?
The SIPEX/EXAR's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for SP490EEN, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
Q: Can I place an order offline?
Yes. We accept offline orders.
We can provide order placement service. You only need to log in, click "My Orders" to enter the transaction management, and you will see the "Order Details" interface. After checking it, select all and click "Place Order". In addition, you can enjoy coupons or other selected gifts when placing orders online.
Q: What forms of payment can I use in Jotrin?
TT Bank, Paypal, Credit Card, Western Union, and Escrow is all acceptable.
Q: How is the shipping arranged and track my package?
Customers can choose industry-leading freight companies, including DHL, FedEx, UPS, TNT, and Registered Mail.
Once your order has been processed for shipment, our sales will send you an e-mail advising you of the shipping status and tracking number.
Note: It may take up to 24 hours before carriers will display tracking information. In normal conditions, Express delivery needs 3-5 days, Registered Mail needs 25-60 days.
Q: What is the process for returns or replacement of SP490EEN?
All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the SP490EEN we delivered, we will accept the replacement or return of the SP490EEN only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of SP490EEN.
(3)The SP490EEN is unused and only in the original unpacked packaging.
Two processes to return the products:
(1)Inform us within 90 days
(2)Obtain Requesting Return Authorizations
More details about return electronic components please see our Return & Change Policy.
Q: How to contact us and get support, such as SP490EEN datasheet pdf, SP490EEN pin diagram?
Need any After-Sales service, please feel free contact us:

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