| Part No | ISO1540DR |
| Manufacturer | Texas Instruments |
| Catalog | Integrated Circuits (ICs)-Interface |
| Description | ISO1540DR is a low-power chip that enables safe, bidirectional I2C communication between isolated circuits using capacitive isolation technology. |
| Datasheet | ISO1540DR Datasheet |
The ISO1540DR is a digital isolator produced by Texas Instruments. It’s specifically designed to provide a low-power, bidirectional interface for I2C communication between two electrically isolated systems.
Essentially, the ISO1540DR is a crucial component for ensuring reliable and safe data transfer between isolated circuits in various electronic devices.
| PIN | I/O | DESCRIPTION | |
| NAME | NO. | ||
| GND1 | 4 | — | Ground, side 1 |
| GND2 | 5 | — | Ground, side 2 |
| SCL1 | 3 | I/O | Serial clock input / output, side 1 |
| SCL2 | 6 | I/O | Serial clock input / output, side 2 |
| SDA1 | 2 | I/O | Serial data input / output, side 1 |
| SDA2 | 7 | I/O | Serial data input / output, side 2 |
| VCC1 | 1 | — | Supply voltage, side 1 |
| VCC2 | 8 | — | Supply voltage, side 2 |
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