(China (Mainland))
Product Summary
The SP490EN is a low power differential line driver/receiver meeting RS-485 and RS-422 standards up to 5Mbps. The SP491 is identical to the SP490EN with the addition of driver and receiver tri-state enable lines. Both products feature ±200mV receiver input sensitivity, over wide common mode range. The SP490EN is available in 8-pin plastic DIP and 8-pin NSOIC packages for operation over the commercial and industrial temperature ranges. The SP490EN is available in 14-pin DIP and 14-pin NSOIC packages for operation over the commercial and industrial temperature ranges.
Parametrics
SP490EN absolute maximum ratings: (1)VCC: +7V; (2)Input Voltages: Drivers: -0.5V to (VCC+0.5V), Receivers: ±14V; (3)Output Voltages: Drivers: ±14V, Receivers: -0.5V to (VCC+0.5V); (4)Storage Temperature: -65℃ to +150℃; (5)Power Dissipation: 1000mW.
Features
SP490EN features: (1)+5V Only; (2)Low Power BiCMOS; (3)Driver/Receiver Enable (SP491); (4)RS-485 and RS-422 Drivers/Receivers; (5)Pin Compatible with LTC490 and SN75179 (SP490); (6)Pin Compatible with LTC491 and SN75180 (SP491).
Diagrams
| Image | Part No | Mfg | Description |  |
Pricing (USD) |
Quantity | ||||||||||||
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 SP490EN-L |
Exar |
Universal Bus Functions RS485 5000 kbps temp -40C to 85C |
Data Sheet |
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SP490EN-L/TR |
Exar |
Universal Bus Functions Full Duplex RS-485 s |
Data Sheet |
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