| PartNumber | MAX491ECPD+ | MAX491ECPD | MAX491ECSD |
| Description | RS-422/RS-485 Interface IC RS-485/RS-422 Transceiver | RS-422/RS-485 Interface IC 15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers | RS-422/RS-485 Interface IC 15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers |
| Manufacturer | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Product Category | RS-422/RS-485 Interface IC | RS-422/RS-485 Interface IC | RS-422/RS-485 Interface IC |
| RoHS | Y | - | - |
| Mounting Style | Through Hole | Through Hole | SMD/SMT |
| Package / Case | PDIP-14 | PDIP-14 | SOIC-14 |
| Series | MAX491E | MAX491E | MAX491E |
| Function | Transceiver | Transceiver | Transceiver |
| Data Rate | 2.5 Mb/s | 2500 kb/s | 2.5 Mb/s |
| Number of Drivers | 1 Driver | - | - |
| Number of Receivers | 1 Receiver | 1 Receiver | 1 Receiver |
| Operating Supply Voltage | 5 V | 5 V | 5 V |
| Operating Supply Current | 300 uA | 300 uA | 300 uA |
| Minimum Operating Temperature | 0 C | 0 C | 0 C |
| Maximum Operating Temperature | + 70 C | + 70 C | + 70 C |
| Packaging | Tube | - | - |
| Height | 4.45 mm (Max) | 4.45 mm (Max) | 1.5 mm (Max) |
| Input Voltage | 5 V | 5 V | 0.8 V to 2 V |
| Length | 19.43 mm (Max) | 19.43 mm (Max) | 8.75 mm (Max) |
| Output Current | 35 mA to 250 mA | 35 mA to 250 mA | - |
| Output Voltage | - 8 V to 12.5 V | - 8 V to 12.5 V | 3 V |
| Width | 7.87 mm (Max) | 7.87 mm (Max) | 4 mm (Max) |
| Brand | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Duplex | Full Duplex | - | - |
| Pd Power Dissipation | 800 mW | 800 mW | 667 mW |
| Product Type | RS-422/RS-485 Interface IC | RS-422/RS-485 Interface IC | RS-422/RS-485 Interface IC |
| Factory Pack Quantity | 25 | - | - |
| Subcategory | Interface ICs | Interface ICs | Interface ICs |
| Part # Aliases | MAX491E | MAX491E | MAX491E |
| Unit Weight | 0.057144 oz | 0.057144 oz | 0.011923 oz |
| Number of Channels | - | 1 Channel | 1 Channel |
| Number of Output Lines | - | 1 | 1 |
| Propagation Delay Time | - | - | 40 ns, 60 ns |