SP490E - Exar

SP490E Enhanced Full Duplex RS-485 Transceivers

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.

Features

• +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 IEC61000-4-2 Air Discharge Now Available in Lead Free Packaging DESCRIPTION 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 in.