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Half-duplex frequency shift keying (FSK)

transceiver

Integrated power line driver with programmable

voltage and current control

Programmable mains access:

鈥?Synchronous

鈥?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碌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

HTSSOP28 Exposed Pad

鈻?/div>

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.

Order codes

Part number

ST7540

ST7540TR

Package

HTSSOP28 (Exposed Pad)

Packaging

Tube

Tape and reel

September 2006

Rev 2

1/44

www.st.com

44

其它有關(guān)文件
ST7540 View All Specifications
標(biāo)準(zhǔn)包裝
1,000
類別
集成電路 (IC)
家庭
接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器
系列
-
類型
收發(fā)器
驅(qū)動(dòng)器/接收器數(shù)
1/1
規(guī)程
-
電源電壓
5 V ~ 9 V
安裝類型
表面貼裝
封裝/外殼
28-SOIC（0.173"，4.40mm 寬）裸露焊盤(pán)
供應(yīng)商設(shè)備封裝
28-HTSSOP
包裝
管件
配用
497-5485-ND - BOARD EVAL ST7540 PWR LINE TXRX
其它名稱
497-5527-5

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