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MAX9485 - Programmable Audio Clock Generator

General Description

The MAX9485 programmable multiple-output clock generator provides a cost-efficient solution for MPEG-2 audio systems such as DVD players, DVD drives for multimedia PCs, digital HDTV systems, home entertainment centers, and set-top boxes.

Key Features

  • 27MHz Crystal with ±30ppm Frequency Reference.
  • Two Buffered Output Ports with Multiple Audio Clocks: 256, 384, or 768 Times fS.
  • Supports Standard and Double Sampling Rates (12kHz, 32kHz, 44.1kHz, 48kHz, 64kHz, 88.2 kHz, and 96kHz).
  • I2C Interface or Hardwired Output Clock Selection.
  • Separate Output Clock Enable.
  • Low Jitter Typical 21ps (RMS at 73.728MHz).
  • No External Components for PLL.
  • Integrated VCXO with ±200ppm Tuning Ra.

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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.

View original datasheet text
19-3315; Rev 0; 7/04 L MANUA ION KIT HEET T A U L EVA TA S WS DA FOLLO Programmable Audio Clock Generator Features ♦ 27MHz Crystal with ±30ppm Frequency Reference ♦ Two Buffered Output Ports with Multiple Audio Clocks: 256, 384, or 768 Times fS ♦ Supports Standard and Double Sampling Rates (12kHz, 32kHz, 44.1kHz, 48kHz, 64kHz, 88.2 kHz, and 96kHz) ♦ I2C Interface or Hardwired Output Clock Selection ♦ Separate Output Clock Enable ♦ Low Jitter Typical 21ps (RMS at 73.