ST7538

更新时间： 2024-09-23 22:50:07

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		/
页数	文件大小	规格书
30页	266K
描述
POWER LINE FSK TRANSCEIVER

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中文翻译

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数据手册

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ST7538 数据手册

ST7538

POWER LINE FSK TRANSCEIVER

■ HALF DUPLEX FREQUENCY SHIFT KEYING

(FSK) TRANSCEIVER

■ INTEGRATED POWER LINE DRIVER WITH

PROGRAMMABLEVOLTAGEAND CURRENT

CONTROL

■ PROGRAMMABLE INTERFACE:

– SYNCHRONOUS

TQFP44 Slug Down

ORDERING NUMBER: ST7538P

– ASYNCHRONOUS

■

SINGLE SUPPLY VOLTAGE (FROM 7.5 UP TO 12.5V)

VERY LOW POWER CONSUMPTION (Iq=5 mA)

■

■ WATCHDOG TIMER

■ INTEGRATED 5V VOLTAGE REGULATOR

(UP TO 100mA) WITH SHORT CIRCUIT

PROTECTION

DESCRIPTION

■ 8 PROGRAMMABLE TRANSMISSION

The ST7538 is a Half Duplex synchronous/asyn-

chronous FSK Modem designed for power line

communication network applications. It operates

from a single supply voltage and integrates a line

driver and a 5V linear regulator. The device oper-

ation is controlled by means of an internal register,

programmable through the synchronous serial in-

terface. Additional functions as watchdog, clock

output, output voltage and current control, pream-

ble detection, time-out, band in use are included.

Realized in Multipower BCDV technology that al-

lows to integrate DMOS, Bipolar and CMOS struc-

tures in the same chip.

FREQUENCIES

■

PROGRAMMABLE BAUD RATE UP TO 4800BPS

■ RECEIVING SENSITIVITY 1 mVRMS

■

SUITABLE TO APPLICATION IN ACCORDANCE

WITH EN 50065 CENELEC SPECIFICATIONS

■ CARRIER OR PREAMBLE DETECTION

■ BAND IN USE DETECTION

■ PROGRAMMABLE REGISTER WITH

SECURITY CHECKSUM

■ MAINS ZERO CROSSING DETECTION AND

SYNCHRONIZATION

BLOCK DIAGRAM

DVdd AVdd

DVss AVss

TEST1 TEST2 TEST3

RxFo

CARRIER

DETECTION

CD/PD

TEST

AGC

RxD

DIGITAL

FILTER

FSK

DEMOD

FILTER

CLR/T

PLL

FILTER

AMPL

RAI

SERIAL

INTERFACE

FILTER

CONTROL

REG/DATA

RxTx

CURRENT

CONTROL

FSK

MODULATOR

FILTER

VOLTAGE

CONTROL

TxD

DAC

ALC

Vsense

ATO

REGOK

PLI

ATOP1

ATOP2

PAVcc

Vdc

OSC

TIME BASE

OP-AMP

VREG

D03IN1407

XOut

XIn

WD TOUT

RSTO

MCLK ZCin

ZCout

C_OUT

CMINUS

CPLUS

September 2003

1/30

12 3 4 5 6 7...30

中文翻译

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与ST7538相关器件

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