Product Overview
ADUM3211ARZ-RL7 from ADI is a dual-channel digital isolator using iCoupler technology. 3750Vrms isolation. 150Mbps. 0.6mA/ch at 1Mbps. SOIC-8. RL7 = tape-and-reel.
Working Principle
iCoupler technology uses chip-scale transformers for isolation. On-chip encoding/decoding transmits data across isolation barrier. No external components needed. 3750Vrms rated isolation. Low power consumption.
Pin Description
| Pin | Name | Function |
|---|---|---|
| 1 | VIA | Input A |
| 2 | VIB | Input B |
| 3 | GND1 | Side 1 ground |
| 4 | VOB | Output B |
| 5 | VOA | Output A |
| 6 | VDD2 | Side 2 supply |
| 7 | GND2 | Side 2 ground |
| 8 | VDD1 | Side 1 supply |
Applications
- Industrial communication isolation
- Motor drive signal isolation
- Medical equipment isolation
Alternative Models
| Manufacturer | Part Number | Notes |
|---|---|---|
| ADI | ADUM3212ARZ-RL7 | Different channel direction |
| Silicon Labs | Si8621BC-B-IS | Similar isolator |