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MK3720 - 27 MHz and 54 MHz 3.3 Volt VCXO

General Description

The MK3720 is a low cost, low jitter, high performance 3.3 Volt VCXO and PLL clock synthesizer designed to replace expensive 13.5, 27, or 54MHz VCXOs.

The patented on-chip Voltage Controlled Crystal Oscillator accepts a 0 to 3.3 V input voltage to cause the output clocks to vary by ±100 ppm.

Key Features

  • Packaged in 8 pin SOIC.
  • 3.3 V only operating voltage.
  • Output clocks of 54, 27, and 13.5MHz.
  • Uses an inexpensive 13.500 MHz external crystal.
  • On-chip patented VCXO with pull range of 200ppm (minimum).
  • VCXO tuning voltage of 0 to 3.3 V.
  • 12 mA output drive capability at TTL levels.
  • Advanced, low power, sub-micron CMOS process.
  • The A version is the latest, manufactured in a smaller geometry process. The MK3720A gives a.

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Datasheet Details

Part number MK3720
Manufacturer Integrated Circuit Systems
File Size 57.04 KB
Description 27 MHz and 54 MHz 3.3 Volt VCXO
Datasheet download datasheet MK3720 Datasheet

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Full PDF Text Transcription (Reference)

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MK3720 27 MHz and 54 MHz 3.3 Volt VCXO Description The MK3720 is a low cost, low jitter, high performance 3.3 Volt VCXO and PLL clock synthesizer designed to replace expensive 13.5, 27, or 54MHz VCXOs. The patented on-chip Voltage Controlled Crystal Oscillator accepts a 0 to 3.3 V input voltage to cause the output clocks to vary by ±100 ppm. Using our patented VCXO and analog/digital Phase-Locked Loop (PLL) techniques, the device uses an inexpensive external 13.5 MHz pullable crystal input to produce output clocks of 13.5 MHz, 27 MHz, and 54 MHz . The MK3720A is a drop-in replacement to the earlier MK3720S. Features • Packaged in 8 pin SOIC • 3.3 V only operating voltage • Output clocks of 54, 27, and 13.5MHz • Uses an inexpensive 13.