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The ST7538Q is a Half Duplex synchronous/asynchronous FSK Modem designed for power line communication network applications. It operates from a single supply voltage and integrates a line driver and two linear regulators for 5V and 3.3V. The device operation is controlled by means of an internal register, programmable through the synchronous serial interface. Additional functions as watchdog, clock output, output voltage and current control, preamble detection, time-out, band in use are included. Realized in Multipower BCD5 technology that allows to integrate DMOS, Bipolar and CMOS structures in the same chip.
Key Features
- Programmable baud rate up to 4800BPS
- ST7537 compatible
- 8 programmable transmission frequencies
- UART/SPI host interface
- Suitable to application in accordance with EN 50065 CENELEC specifications
- Receiving sensitivity up to 250µVrms
- Band in use detection
- Carrier or preamble detection
- Mains zero crossing detection and synchronization
- Programmable 24 or 48 bit register with security checksum
- Watchdog timer
- Integrated 3.3V voltage regulator (up to 50mA) with short circuit protection
- Integrated 5V voltage regulator (up to 50mA) with short circuit protection
- Half duplex frequency shift keying (FSK) transceiver
- Programmable interface:
Synchronous Asynchronous - Integrated power line driver with programmable voltage and current control
- Very low power consumption (Iq = 5mA)
- 3.3V or 5V digital supply
- 8 or 16 bit header recognition
- Single supply voltage (from 7.5 up to 12.5V)
- Output voltage freeze
Sample & Buy
| Part Number | Package | Packing Type | Marketing Status | Budgetary Price (US$)* | Quantity | ECCN (US) | Country of Origin | Order from Distributors | Order from ST |
|---|---|---|---|---|---|---|---|---|---|
| ST7538Q | TQFP 44 10x10x1.4 | Tray |
Active
|
4.8 | 1000 | EAR99 | MALAYSIA | Check Availability | Buy now |
| ST7538QTR | TQFP 44 10x10x1.4 | Tape And Reel |
Active
|
4.8 | 1000 | EAR99 | MALAYSIA | Check Availability |
ST7538QTR
Package
TQFP 44 10x10x1.4Packing Type
Tape And ReelUnit Price (US$)
4.8*(*) 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
Evaluation Tools
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Picture Part number Manufacturer Description 
EVALST7538DUAL -- Dual channel power line transceiver board based on ST7538 Part NumberDual channel power line transceiver board based on ST7538
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| Part Number | Marketing Status | Package | Grade | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|---|---|
| ST7538Q |
Active
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TQFP 44 10x10x1.4 | Industrial | Ecopack2 (**) | |
| ST7538QTR |
Active
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TQFP 44 10x10x1.4 | 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.
