Manufacturer package reference image
FSK power line transceiver
Key Specifications
| Complete manufacturer part number | ST7540 |
|---|---|
| Manufacturer | STMicroelectronics |
| Description | FSK power line transceiver |
| Package / case | HTSSOP28 |
| Product category | Power-line transceivers |
| Pins | 28 |
| Supply voltage range (manufacturer features) | 7.5 V to 13.5 V |
| Modulation and duplex mode | FSK; half duplex |
| Programmable baud rate (manufacturer features) | Up to 4800 bps |
| Host interfaces | UART / SPI |
| Operating ambient temperature (TA; manufacturer ratings) | -40 °C to 85 °C |
| Packing type | Tube |
| RoHS compliant | Ecopack2 |
| Grade | Industrial |
| In stock | Contact for availability |
| Unit price | Request a quote |
| Lead time | To be confirmed |
Technical documentation and image source
Exact ST ordering page verified on 2026-11-04. Temperature labels preserve manufacturer ordering scope; ambient or junction basis is not inferred. Package reference image is not a stock-lot photograph. Consult the datasheet for electrical limits and test conditions.
Manufacturer package reference image for HTSSOP28. Confirm electrical pin functions in the datasheet. Actual lot appearance and top marking require current-lot confirmation.
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