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| PartNumber | MAX3491AEASD+ | MAX3491CPD+ | MAX3491AEASD+T |
| Description | RS-422/RS-485 Interface IC +3.3V-Powered, 20kV ESD-Protected, 20Mbps and Slew-Rate-Limited RS-485/RS-422 Transceivers | RS-422/RS-485 Interface IC 3.3V 10Mbps Transceiver | RS-422/RS-485 Interface IC +3.3V-Powered, 20kV ESD-Protected, 20Mbps and Slew-Rate-Limited 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 | Y | Y |
| Mounting Style | SMD/SMT | Through Hole | - |
| Package / Case | SO-14 | PDIP-14 | - |
| Series | MAX3491 | MAX3491 | MAX3491 |
| Function | Transceiver | Transceiver | - |
| Data Rate | 20 Mb/s | 10 Mb/s | - |
| Number of Drivers | 1 Driver | 1 Driver | - |
| Number of Receivers | 1 Receiver | 1 Receiver | - |
| Supply Voltage Min | 3 V | - | - |
| Supply Voltage Max | 3.6 V | - | - |
| Operating Supply Voltage | 3.3 V | 3 V to 3.6 V | - |
| Operating Supply Current | 1.9 mA | 2.2 mA | - |
| Minimum Operating Temperature | - 40 C | 0 C | - |
| Maximum Operating Temperature | + 125 C | + 70 C | - |
| Packaging | Tube | Tube | Reel |
| Input Voltage | 3.3 V | 3 V to 3.6 V | - |
| Output Type | Differential | - | - |
| Product | RS-422/RS-485 Transceivers | - | - |
| Type | Transceiver | - | - |
| Brand | Maxim Integrated | Maxim Integrated | Maxim Integrated |
| Shutdown | Shutdown | - | - |
| Duplex | Full Duplex | Full Duplex | - |
| Pd Power Dissipation | 952 mW | 800 mW | - |
| Product Type | RS-422/RS-485 Interface IC | RS-422/RS-485 Interface IC | RS-422/RS-485 Interface IC |
| Propagation Delay Time | 30 ns, 35 ns | 22 ns | - |
| Factory Pack Quantity | 50 | 25 | 2500 |
| Subcategory | Interface ICs | Interface ICs | Interface ICs |
| Height | - | 4.45 mm (Max) | - |
| Length | - | 19.43 mm (Max) | - |
| Output Voltage | - | - 7.5 V to + 12.5 V | - |
| Width | - | 7.87 mm (Max) | - |
| Part # Aliases | - | MAX3491 | - |
| Unit Weight | - | 0.057144 oz | - |