ADA4903 · AdafruitActive
Adafruit product #4903 — built on ISO1540. Interfaces: I2C.
| Part number | ADA4903 |
|---|---|
| Manufacturer | Adafruit |
| Category | Interface & Expansion › Isolators |
| Pins | 8 |
Adafruit ISO1540 Bidirectional I2C Isolator pinout
| Pin | Name | Type | Description |
|---|---|---|---|
| 1 | VCC2 | bidirectional | |
| 2 | SCL2 | bidirectional | |
| 3 | SDA2 | bidirectional | |
| 4 | GND2 | bidirectional | |
| 5 | VCC1 | bidirectional | |
| 6 | SCL1 | bidirectional | |
| 7 | SDA1 | bidirectional | |
| 8 | GND1 | bidirectional |
Schematic symbol and footprint
Footprint: Adafruit ISO1540 (header pads) — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.
Datasheet
Where to buy
Stock and prices from the suppliers, checked 2026-10-08; excluding tax and shipping.
