LMK04000BEVALXO National Semiconductor, LMK04000BEVALXO Datasheet - Page 45

• Manufacturer Part Number: LMK04000BEVALXO
• Description: BOARD EVAL PREC CLOCK PLL XO
• Manufacturer: National Semiconductor
• Series: PowerWise®r

Specifications of LMK04000BEVALXO

• Main Purpose: Timing, Clock Conditioner
• Embedded: No
• Utilized Ic / Part: LMK04000
• Primary Attributes: 122.88 MHz Crystal
• Secondary Attributes: Integrated PLL & VCO
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Figure 20
Figure 21
2. Disconnect Crystal RF path and connect VCXO RF path
3. Connect charge pump output from PLL1 to VCXO Loop Filter (A1) and VCXO.
a. Remove resistors R15 and R31.
b. Install 0.1 uF capacitors in C31 and C43.
a. Remove R37 and install a 0 ohm resistor in R39. This resistor can be “switched”
between the two footprints.
L M K 0 4 0 X X - R E V 3
E V A L U A T I O N
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