| PartNumber | SI8401AB-B-IS | SI8401AA-B-IS | SI8401AA-B-ISR |
| Description | Digital Isolators 2.5 kV 1-channel digital isolator | Digital Isolators 1 kV uni- and bi-directional isolator | Digital Isolators 1 kV uni- and bi-directional isolator |
| Manufacturer | Silicon Laboratories | Silicon Laboratories | Silicon Laboratories |
| Product Category | Digital Isolators | Digital Isolators | Digital Isolators |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SOIC-8 Narrow | SOIC-8 Narrow | - |
| Series | SI8401AB | SI8401AA | SI8401AA |
| Number of Channels | 2 Channel | 2 Channel | - |
| Polarity | Bidirectional | Bidirectional, Unidirectional | Bidirectional |
| Isolation Type | Capacitive Coupling | Capacitive Coupling | Capacitive Coupling |
| Propagation Delay Time | 20 ns | 20 ns | - |
| Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage Min | 3 V | 3 V | 3 V |
| Operating Supply Current | 3.9 mA | 3.9 mA | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 125 C | + 125 C | - |
| Packaging | Tube | Tube | Reel |
| Product | Digital Isolators | Digital Isolators | Digital Isolators |
| Type | I2C Isolator | I2C Isolator | I2C Isolator |
| Brand | Silicon Labs | Silicon Labs | Silicon Labs |
| Moisture Sensitive | Yes | Yes | Yes |
| Operating Supply Voltage | 3 V to 5.5 V | 3 V to 5.5 V | 3 V to 5.5 V |
| Pd Power Dissipation | 220 mW | 220 mW | 220 mW |
| Product Type | Digital Isolators | Digital Isolators | Digital Isolators |
| Protocol Supported | I2C | I2C | I2C |
| Factory Pack Quantity | 96 | 96 | 2500 |
| Subcategory | Interface ICs | Interface ICs | Interface ICs |
| Unit Weight | 0.009171 oz | 0.009171 oz | - |
| Isolation Voltage | - | 2.5 kVrms | - |
| Data Rate | - | 10 Mb/s | - |