This datasheet introduces the features and characteristics of ADI's ADuM1250/ADuM1251 Hot Swappable Dual I2C Isolators.
The ADuM1250 and ADuM1251 are hot‑swappable digital isolators that provide non‑latching, bidirectional I2C communication channels. They support 3.0 V to 5.5 V supply/logic levels and are qualified for automotive applications.
Key specifications include a maximum operating frequency of 1000 kHz, 2500 V rms isolation voltage for 1 minute, and supply current typically 5 mA at 5 V. The devices meet UL, CSA, and VDE safety approvals and offer magnetic‑field immunity up to 0.2 kgauss at 1 MHz.
| Maximum Operating Frequency | 1000 kHz |
|---|---|
| Supply Voltage Range | 3.0 V to 5.5 V |
| Isolation Voltage (UL 1577) | 2500 V rms (1‑minute) |
The device operates up to 1000 kHz.
It supports supply voltages from 3.0 V to 5.5 V.
The isolation voltage is rated at 2500 V rms for a 1‑minute duration per UL 1577.
A‑grade devices operate from –40 °C to +105 °C, and S‑grade devices from –40 °C to +125 °C.