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Product Variant Information section
Product Specification Section
Pricing Section

Stock: 15,000

On Order: 0
Factory Stock:Factory Stock: 0
Factory Lead Time: N/A
Minimum Order: 2,500
Multiple Of: 2,500
Quantity Web Price
2,500+ $0.825


Attributes Table
Features and Applications

The SP3491EN-L/TR is a +3.3 V low power full-duplex transceiver with 10 Mbps data rate. It is available in 14 pin SOIC package.

This device is pin-to-pin compatible with the Exar SP490 device as well as popular industry standards. The SP3491 feature Exar's BiCMOS process, allowing low power operation without sacrificing performance


  • Full-Duplex RS-485 and RS-422 Transceivers
  • Operates from a single +3.3 V Supply
  • Interoperable with +5.0 V logic
  • Driver/Receiver Tri-state Enable Lines (SP3491)
  • -7 V to +12 V Common-Mode Input Voltage Range
  • +/-200 mV Receiver Input Sensitivity
  • Allows up to 32 transceivers on the serial bus
  • Compatability with LTC491 and SN75180 (SP3491)