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TDA10025HN - Dual cable demodulator

General Description

The TDA10025HN is a Dual Cable Downstream Processor.

The Cable Downstream Processor (CDP) implements the physical interfaces and protocols required to provide the highest quality services of an in-band DOCSIS, EuroDOCSIS, DVB and OpenCable Set-Top Box (STB).

Key Features

  • QPSK, 16 QAM, 32 QAM, 64 QAM, 128 QAM and 256 QAM Demodulator.
  • ITU-T J83 Annex A, B and C FEC.
  • Transport Stream Multiplex Frame (TSMF) module for Annex C compliance.
  • Time interleaved parallel mode or serial mode for Transport Stream (TS) interface.
  • On chip PLL for crystal frequency multiplication (16 MHz external).
  • Reuse of the tuner clock, saving one crystal.
  • Embedded 12-bit ADC.
  • 3.3 V and 1.2 V power supplies.
  • Low power < 235 mW for dual stream ope.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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TDA10025HN Dual cable demodulator Rev. 1 — 22 August 2011 Product short data sheet 1. General description The TDA10025HN is a Dual Cable Downstream Processor. The Cable Downstream Processor (CDP) implements the physical interfaces and protocols required to provide the highest quality services of an in-band DOCSIS, EuroDOCSIS, DVB and OpenCable Set-Top Box (STB). The downstream signals are digitized by 12-bit ADC and passed to the Demod and Forward Error Correction (FEC) blocks, which do all the cable physical layer processing. This processing includes demodulating and Annex A (Europe), Annex B (US) or Annex C (Japan) FEC for the in-band data. 2.