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MK2771-13 - VCXO and Set-Top Clock Source

General Description

The MK2771-03 is a low cost, low jitter, high performance VCXO and clock synthesizer designed for set-top boxes.

The on-chip Voltage Controlled Crystal Oscillator accepts a 0 to 3V input voltage to cause the output clocks to vary by ±100 ppm.

Key Features

  • Packaged in 20 pin SOIC.
  • Pin for pin and functional upgrade to MK2771-03.
  • Ideal for systems using Oak’s MPEG decoders.
  • On-chip patented VCXO with pull range of 200ppm.
  • VCXO tuning voltage of 0 to 3V.
  • Processor frequency of 16.67 MHz, 20 MHz, 25 MHz, 32 MHz, 40 MHz, or 50 MHz.
  • Audio clocks of 8.192, 11.2896, and 12.288 MHz.
  • Zero ppm synthesis error in all clocks (all exactly track 27MHz VCXO) - patented.
  • Uses an ine.

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Datasheet Details

Part number MK2771-13
Manufacturer Integrated Circuit Systems
File Size 62.50 KB
Description VCXO and Set-Top Clock Source
Datasheet download datasheet MK2771-13 Datasheet

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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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MK2771-13 VCXO and Set-Top Clock Source Description The MK2771-03 is a low cost, low jitter, high performance VCXO and clock synthesizer designed for set-top boxes. The on-chip Voltage Controlled Crystal Oscillator accepts a 0 to 3V input voltage to cause the output clocks to vary by ±100 ppm. Using ICS/MicroClock’s patented VCXO and analog Phase-Locked Loop (PLL) techniques, the device uses an inexpensive 13.5 MHz crystal input to produce multiple output clocks including a selectable processor clock, a selectable audio clock, a fixed 33.33 MHz or 24.576 MHz, two low skew copies of the 27MHz, and a fixed 13.5 MHz. All clocks are frequency locked to the 27.00MHz output (and to each other) with zero ppm error, so any output can be used as the VCXO output.