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TDA5051T

Home automation modem

Philips Electronics 

Philips Semiconductors

Home automation modem

Product specification

TDA5051

FEATURES

• Full digital carrier generation and shaping

• Modulation/demodulation frequency set by clock

adjustment, from microcontroller or on-chip oscillator

• High clock rate of 6 bits D/A (Digital-to-Analog)

converter for rejection of aliasing components

• Fully integrated output power stage with overload

protection

• Automatic gain control at receiver input

• 8-bit A/D and narrow digital filtering

• Digital demodulation delivering baseband data

• Easy compliance with EN50065-1 with simple coupling

network

• Few external components for low cost applications

• SO16 plastic package.

APPLICATIONS

• Home appliance control (air conditioning, shutters,

lighting, alarms and so on)

• Energy/heating control

• ASK (Amplitude Shift Keying) data transmission using

the home power network.

GENERAL DESCRIPTION

The TDA5051 is a modem IC, specifically dedicated to

ASK transmission by means of the home power supply

network, at 600 or 1200 baud data rate. It operates from a

single 5 V supply.

QUICK REFERENCE DATA

SYMBOL

VDD

IDD(tot)

Tamb

fcr

fosc

Vo(rms)

Vi(rms)

THD

ZL

BR

PARAMETER

supply voltage

total supply current

reception mode

transmission mode (DATAIN = 0)

power down mode

operating ambient temperature

carrier frequency

oscillator frequency

output carrier signal on CISPR16 load

(RMS value)

input signal (RMS value)

total harmonic distortion on CISPR16

load with coupling network

load impedance

baud rate

CONDITIONS

fosc = 8.48 MHz

ZL = 30 Ω

note 1

MIN. TYP. MAX. UNIT

4.75 5.0 5.25 V

−

28

38

mA

−

47

68

mA

−

19

25

mA

0

−

70

°C

95

132.5 148.5 kHz

6.08 8.48 9.504 MHz

120 −

122 dBµV

66

−

122 dBµV

−

−55 −

dB

1

30

−

Ω

−

600 1200 bits/s

Note

1. Frequency range corresponding to the EN50065-1 band. However the modem can operate at any lower oscillator

frequency.

ORDERING INFORMATION

TYPE

NUMBER

TDA5051T

NAME

SO16

PACKAGE

DESCRIPTION

plastic small outline package: 16 leads; body width 7.5 mm

VERSION

SOT162-1

1997 Sep 19

2

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