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MAX9471 - (MAX9471 / MAX9472) Multiple-Output Clock Generators

Description

The MAX9471/MAX9472 multipurpose clock generators are ideal for consumer and communication applications.

The MAX9471/MAX9472 feature two buffered phase-locked loop (PLL) outputs that can be independently set from 4MHz to 200MHz.

Features

  • 5MHz to 50MHz Input Clock Reference.
  • Crystal or Input-Clock-Based Reference.
  • Two Fractional-N Feedback PLLs (4MHz to 200MHz) with Buffered Outputs.
  • Two Buffered Outputs of Reference Clock.
  • OTP for Factory-Preset PLL Frequencies Available (Contact Factory).
  • Programmable Through I2C Interface or ThreeLevel Logic Pins for Video or Audio Clocks.
  • Low-RMS Jitter PLL (14ps for 45MHz).
  • Integrated VCXO with ±200ppm Tuning Range.

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Full PDF Text Transcription

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19-0524; Rev 1; 8/06 Multiple-Output Clock Generators with Dual PLLs and OTP MAX9471/MAX9472 General Description The MAX9471/MAX9472 multipurpose clock generators are ideal for consumer and communication applications. The MAX9471/MAX9472 feature two buffered phase-locked loop (PLL) outputs that can be independently set from 4MHz to 200MHz. These devices also provide one (MAX9472) or two (MAX9471) buffered outputs of the reference clock. The MAX9471 outputs a set of MPEG/AC3 audio and video frequencies most commonly used in consumer applications. The MAX9472 outputs a set of common audio frequencies. These frequencies are selected through an I2C† interface (MAX9471) or by setting the three-level FS pins.
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