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MK2772-01 - VCXO and Set-Top Clock Source

Datasheet Summary

Description

The MK2772-01 is a low cost, low jitter, high performance VCXO and clock synthesizer for settop 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.

Features

  • Packaged in 20 pin SOIC.
  • Uses an inexpensive 13.5 MHz crystal.
  • On-chip VCXO (patented) with pull range of 200ppm (minimum).
  • Ability to switch input sources “on-the-fly”.
  • VCXO tuning voltage of 0 to 3V.
  • Zero ppm synthesis error (patented) in all clocks. All exactly track 27MHz VCXO.
  • All clocks are frequency locked. All will vary the same amount (in ppm) as the VCXO.
  • Selectable Audio clock for 256x, 384x, and 512x.

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Datasheet preview – MK2772-01

Datasheet Details

Part number MK2772-01
Manufacturer Integrated Circuit Systems
File Size 64.79 KB
Description VCXO and Set-Top Clock Source
Datasheet download datasheet MK2772-01 Datasheet
Additional preview pages of the MK2772-01 datasheet.

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Full PDF Text Transcription

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I C R O C LOC K Description The MK2772-01 is a low cost, low jitter, high performance VCXO and clock synthesizer for settop 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 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. All clocks are frequency locked to the 27.00MHz output (and to each other) with zero ppm error. The MK2772 includes a glitch-free multiplexer to switch input sources during operation. MicroClock manufactures the largest variety of Set-Top Box and multimedia clock synthesizers for all applications.
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