| Part Number | SP491 Datasheet |
|---|---|
| Manufacturer | Exar |
| Overview |
The SP490 is a low power differential line driver/receiver meeting RS-485 and RS-422 standards up to 5Mbps. The SP491 is identical to the SP490 with the addition of driver and receiver tri-state enabl.
* +5V Only * Low Power BiCMOS * Driver/Receiver Enable (SP491) * RS-485 and RS-422 Drivers/Receivers * Pin Compatible with LTC490 and SN75179 (SP490) * Pin Compatible with LTC491 and SN75180 (SP491) Now Available in Lead Free Packaging DESCRIPTION The SP490 is a low power differential line dr. |
SP491 Datasheet and Specifications PDF
The SP491 is a Full Duplex RS-485 Transceivers.
Key Specifications
| Package | SOP |
|---|---|
| Mount Type | Surface Mount |
| Pins | 14 |
| Operating Voltage | 5 V |
| Max Voltage (typical range) | 5.25 V |
| Min Voltage (typical range) | 4.75 V |
| Logic Function | Transceiver |
| Length | 8.65 mm |
| Part Number | SP491 Datasheet |
|---|---|
| Description | Full Duplex RS-485 Transceivers |
| Manufacturer | Sipex |
| Overview | The SP490 is a low power differential line driver/receiver meeting RS-485 and RS-422 standards up to 5Mbps. The SP491 is identical to the SP490 with the addition of driver and receiver tri-state enabl. ±200mV receiver input sensitivity, over wide common mode range. The SP490 is available in 8-pin plastic DIP and 8-pin NSOIC packages for operation over the commercial and industrial temperature ranges. The SP491 is available in 14-pin DIP and 14-pin NSOIC packages for operation over the commercial a. |
| Part Number | SP491 Datasheet |
|---|---|
| Description | Full-Duplex RS-485 Transceivers |
| Manufacturer | MaxLinear |
| Overview |
The SP490 is a low power differential line driver/receiver meeting RS-485 and RS-422 standards up to 5Mbps. The SP491 is identical to the SP490 with the addition of driver and receiver tri-state enabl.
* * 5V only * * Low power BiCMOS * * Driver/receiver enable (SP491) * * RS-485 and RS-422 drivers/receivers * * Pin compatible with LTC490 and SN75179 (SP490) * * Pin compatible with LTC491 and SN75180 (SP491) Ordering Information - Back Page Block Diagrams VCC 1 R2 R D3 GND 4 D SP490 8A 7B 6Z 5Y N. |