| RoHS | Compliant |
|---|---|
| Supply Voltage (DC) | 5.00 V, 3.30 V |
| Operating Temperature | -40.0 °C (min) |
| Packaging | Cut Tape (CT), Tape & Reel (TR) |
| Number of Pins | 8 |
| Number of Channels | 2 |
| Lead-Free Status | Lead Free |
| Lifecycle Status | Active |
| Case/Package | SOIC |
| Data Rate | 1.00 Mbps |
Drivers & Interfaces
| Manufacturer | Texas Instruments |
|---|---|
| Manufacturer Part Number | ISO1540DR |
| Description | IC DGTL ISO 2.5KV 2CH I2C 8SOIC |
| Stock Code | W002726 |
| Download |  Technical Datasheet |
The ISO1540 and ISO1541 devices are low-power, bidirectional isolators that are compatible with I 2C interfaces. These devices have logic input and output buffers that are separated by Texas Instruments Capacitive Isolation technology using a silicon dioxide (SiO2 ) barrier. When used with isolated power supplies, these devices block high voltages, isolate grounds, and prevent noise currents from entering the local ground and interfering with or damaging sensitive circuitry.
This isolation technology provides for function, performance, size, and power consumption advantages when compared to optocouplers. The ISO1540 and ISO1541 devices enable a complete isolated I 2C interface to be implemented within a small form factor. The ISO1540 has two isolated bidirectional channels for clock and data lines while the ISO1541 has a bidirectional data and a unidirectional clock channel. The ISO1541 is useful in applications that have a single master while the ISO1540 is suitable for multimaster applications. For applications where clock stretching by the slave is possible, the ISO1540 device should be used.
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