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STA309A - Multi-channel digital audio processor

General Description

The STA309A is a single chip solution for digital audio processing and control in multi-channel applications.

It provides output capabilities for DDX®.

In conjunction with a DDX® power device, the STA309A provides high-quality, high-efficiency, all digital amplification.

Key Features

  • 8 channels of 24-bit DDX® (direct digital amplification).
  • >100 dB of SNR and dynamic range.
  • Selectable 32 kHz - 192 kHz input sample rates.
  • 6 channels of DSD/SACD input.
  • Digital gain/attenuation +58 dB to -100 dB in 0.5-dB steps.
  • Soft volume update.
  • Individual channel and master gain/attenuation plus channel trim (-10 dB to +10 dB).
  • Up to 10 independent 32-bit user programmable biquads (EQ) per channel.
  • Bass/treble.

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Other Datasheets by STMicroelectronics

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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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STA309A Multi-channel digital audio processor with DDX® Features • 8 channels of 24-bit DDX® (direct digital amplification) • >100 dB of SNR and dynamic range • Selectable 32 kHz - 192 kHz input sample rates • 6 channels of DSD/SACD input • Digital gain/attenuation +58 dB to -100 dB in 0.5-dB steps • Soft volume update • Individual channel and master gain/attenuation plus channel trim (-10 dB to +10 dB) • Up to 10 independent 32-bit user programmable biquads (EQ) per channel • Bass/treble tone control • Pre and post EQ full 8-channel input mix on all 8 channels • Dual independent limiters/compressors • Dynamic range compression • Automode™: – 5-band graphic EQ – 32 preset EQ curves (rock, jazz, pop, etc.) – Automatic volume controlled loudness – 5.1 to 2-channel downmix – Simultaneous 5.