ST7540 datasheet(1/44 Pages) STMICROELECTRONICS

部件名	ST7540

功能描述	FSK power line transceiver

PDF	44 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

1 / 44 page

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 (Iq = 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

µVRMS

■ 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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类似说明 - ST7540

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