MK3720 Integrated Circuit System, MK3720 Datasheet
MK3720
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MK3720 Summary of contents
Page 1
... MK3720D and MK3720B offer a wider operating frequency range and improved power supply noise rejection. The MK3720 is a low cost, low jitter, high performance 3.3 Volt VCXO designed to replace expensive 13.5, 27 MHz VCXOs. The patented on-chip Voltage Controlled Crystal Oscillator accepts 3.3 V input voltage to cause the output clocks to vary by ± ...
Page 2
... Output 54 MHz VCXO clock output. Output 13.5 MHz VCXO clock output. Output 27 MHz VCXO clock output. Input Crystal connection. Connect to the external pullable crystal 3 AND Z OLT Pin Description Revision 102301 w ww (40 8) 295 -9800 MK3720 VCXO ...
Page 3
... CL. To determine the value of the crystal capacitors: 1. Connect VDD of the MK3720 to 3.3V. Connect pin 3 of the MK3720 to the second power supply. Adjust the voltage on pin 3 to 0V. Measure and record the frequency of the CLK output. ...
Page 4
... Absolute Maximum Ratings Stresses above the ratings listed below can cause permanent damage to the MK3720. These ratings, which are standard values for ICS commercially rated parts, are stress ratings only. Functional operation of the device at these or any other conditions above those indicated in the operational sections of the specifications is not implied ...
Page 5
... Note 1: External crystal device must conform with Pullable Crystal Specifications listed on page 3. Note 2: Original MK3720S and MK3720A provided + 100 ppm crystal pullability. Note 3: Original MK3720S and MK3720A provided 100 and 170 ppm/V respectively. MDS 3720 F Int egrat ed C ircuit Syste ms ...
Page 6
... MK3720BTR MK3720B Note 1: MK3720D is recommended for new designs. Call factory for information on MK3720A and MK3720S. While the information presented herein has been checked for both accuracy and reliability, Integrated Circuit Systems (ICS) assumes no responsibility for either its use or for the infringement of any patents or other rights of third parties, which would result from its use ...