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Key Features
- Programmable baud rate up to 4800BPS
- 8 Programmable transmission frequencies
- Suitable for applications in accordance with EN 50065 Cenelec specification
- Receiving sensitivity up to 250µVRMS
- Band in use detection
- Carrier or preamble detection
- Watchdog timer
- Programmable control register
- 8 or 16 Bit header recognition
- Integrated 3.3V voltage regulator (up to 50mA) with short circuit protection
- Integrates 5V voltage regulator (up to 50mA) with short circuit protection
- Half-duplex frequency shift keying (FSK) transceiver
- Programmable mains access:
Synchronous Asynchronous - Integrated power line driver with programmable voltage and current control
- Very low power consumption (Iq = 5mA)
- 3.3V or 5V digital supply
- UART/SPI host interface
- Single supply voltage (from 7.5V up to 13.5V)
- ST7537 and ST7538 compatible
Sample & Buy
| Part Number | Package | Packing Type | Marketing Status | Budgetary Price (US$)* | Quantity | ECCN (US) | Country of Origin | Order from Distributors | Order from ST |
|---|---|---|---|---|---|---|---|---|---|
| ST7540 | HTSSOP28 | Tube |
Active
|
4.4 | 10000 | EAR99 | MALAYSIA | Check Availability | Buy now |
| ST7540TR | HTSSOP28 | Tape And Reel |
Active
|
4.4 | 10000 | EAR99 | MALAYSIA | Check Availability | Buy now |
(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office  or our Distributors
| Part Number | Marketing Status | Package | Grade | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|---|---|
| ST7540 |
Active
|
HTSSOP28 | Industrial | Ecopack2 | |
| ST7540TR |
Active
|
HTSSOP28 | Industrial | Ecopack2 |
(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.
