Home Automation Modem

TDA5051AT

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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.

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Block Diagram

UCODE 8/8m Block Diagram

UCODE 8/8m Block Diagram
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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-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

Target 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

Key Parametrics

  • Data Rate [max] kbps
    0.0012
  • Supply Voltage [Min to Max] (V)
    82 to 122

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