1.

General description

The TDA5051A is a modem IC, specifically dedicated to ASK transmission by means of

the home power supply network, at 600 baud or 1200 baud data rate. It operates from a

single 5 V supply.

2.

Features and benefits

Full digital carrier generation and shaping

Modulation/demodulation frequency set by clock adjustment, from microcontroller or

on-chip oscillator

High clock rate of 6-bit D/A (Digital to Analog) converter for rejection of aliasing

components

Fully integrated output power stage with overload protection

Automatic Gain Control (AGC) at receiver input

8-bit A/D (Analog to Digital) converter 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

3.

Applications

Home appliance control (air conditioning, shutters, lighting, alarms and so on)

Energy/heating control

Amplitude Shift Keying (ASK) data transmission using the home power network

TDA5051A

Home automation modem

Rev. 5 — 13 January 2011

Product data sheet