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參數(shù)資料
| 型號： | ST7540TR |
| 廠商： | 意法半導體 |
| 英文描述： | FSK power line transceiver |
| 中文描述： | FSK信號電力線收發(fā)器 |
| 文件頁數(shù)： | 1/44頁 |
| 文件大?。?/td> | 305K |
| 代理商： | ST7540TR |
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September 2006
Rev 2
1/44
44
ST7540
FSK power line transceiver
General features
■
Half-duplex frequency shift keying (FSK)
transceiver
■
Integrated power line driver with programmable
voltage and current control
■
Programmable mains access:
– Synchronous
– Asynchronous
■
Single supply voltage (from 7.5V up to 13.5V)
■
Very low power consumption (I
q
= 5mA)
■
Integrates 5V voltage regulator (up to 50mA)
with short circuit protection
■
Integrated 3.3V voltage regulator (up to 50mA)
with short circuit protection
■
3.3V or 5V digital supply
■
8 Programmable transmission frequencies
■
Programmable baud rate up to 4800BPS
■
Receiving sensitivity up to 250
μ
V
RMS
■
Suitable for applications in accordance with EN
50065 Cenelec specification
■
Carrier or preamble detection
■
Band in use detection
■
Programmable control register
■
Watchdog timer
■
8 or 16 Bit header recognition
■
ST7537 and ST7538 compatible
■
UART/SPI host interface
Description
The ST7540 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 and band in use are
included. Realized in Multipower BCD5
technology that allows to integrate DMOS, Bipolar
and CMOS structures in the same chip.
HTSSOP28 Exposed Pad
www.st.com
Order codes
Part number
Package
Packaging
ST7540
HTSSOP28 (Exposed Pad)
Tube
ST7540TR
HTSSOP28 (Exposed Pad)
Tape and reel
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