FAQ: Logic and Voltage Translation > Ground-Level Translators >> Current FAQ
| Ground-Level Translators | Digital Isolators | |
| GNDA to GNDB Difference | 80V | 3kVrms |
| Galvanic Barrier | No | Yes |
| GNDA to GNDB Leakage (VCC to GND Shorted) |
70nA | <1nA |
| Size (4-Channel) | 4mm² | 29.4mm² |
| Propagation Delay (3.3V) | 5.8ns | 18.5ns |
| Ch-Ch Skew (3.3V) | 0.35ns | 4.7ns |
| Data Rate | >250Mbps | 100Mbps |
| Level Shifting Capability | 1.71V to 5.5V | 1.71V to 1.89V and 2.25V to 5.5V |
| Operating Temperature | -40ºC to 125°C | -40°C to 125°C |
| CMTI | 1kV/μs | 100kV/μs |
| Certifications (UL, VDE, Surge) | No | Yes |
| EMC (EFT, RI, IEC-ESD) | No | Yes |
More information on Ground-Level Translators can be found here (link)