參數(shù)資料
型號(hào)： ST7538QTR
廠商： 意法半導(dǎo)體
英文描述： FSK power line transceiver
中文描述： FSK信號(hào)電力線收發(fā)器
文件頁(yè)數(shù)： 1/44頁(yè)
文件大?。?/td> 337K
代理商： ST7538QTR
July 2006
Rev 1
1/44
44
ST7538Q
FSK power line transceiver
General features
■
Half duplex frequency shift keying (FSK)
transceiver
■
Integrated power line driver with programmable
voltage and current control
■
Programmable interface:
– Synchronous
– Asynchronous
■
Single supply voltage (from 7.5 up to 12.5V)
■
Very low power consumption (Iq = 5mA)
■
Integrated 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
Vrms
■
Suitable to application in accordance with EN
50065 CENELEC specifications
■
Carrier or preamble detection
■
Band in use detection
■
Programmable 24 or 48 bit register with
security checksum
■
Mains zero crossing detection and
synchronization
■
Watchdog timer
■
Output voltage freeze
■
8 or 16 bit header recognition
■
UART/SPI host interface
■
ST7537 compatible
Order codes
Description
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.
TQFP44 Slug Down
www.st.com
Part number
Package
Packaging
ST7538Q
TQFP44 Slug Down
Tube
ST7538QTR
TQFP44 Slug Down
Tape and reel
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