SP3494EN-L Datasheet, PDF (1/9 Pages) Exar Corporation – Compatibility with the MAX3486 and 75176 Industry Standard Pinout

SP3494
+3.3V Low Power
RS-485/RS-422 Transceiver
• Operates From A Single +3.3V Supply
• Interoperable With +5.0V Logic
• +/-200mV Receiver Input Sensitivity
• -7V to +12V Common-Mode Input Voltage Range
• Allows Up To 32 transceivers On The Serial Bus
• Driver/Receiver Enable Lines
• 10µA Low-Power Shutdown Mode
• Compatibility with the MAX3486 and 75176 Industry
Standard Pinout
DESCRIPTION
The SP3494 device is a +3.3V low power half-duplex transceiver that meets the specifications
of the RS-485 and RS-422 serial protocols. This device is pin-to-pin compatible with the Exar
SP3481 device as well as other popular industry standards. The SP3494 features the Exar
BiCMOS process, allowing low power operation without sacrificing performance. The partially
slew-rate limited drivers minimize EMI and reduce reflections caused by improperly terminated
cables allowing error-free data transmission.The SP3494 is a half-duplex partially slew-rate
limited transceiver that will deliver a data transmission rate up to 2.5Mbps. The SP3494 is
equipped with a low-power shutdown mode and driver/receiver high-Z enable lines.
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com

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