LMK04000BEVALXO National Semiconductor, LMK04000BEVALXO Datasheet - Page 48

• 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 24
Figure 25
2. Disconnect VCXO RF path and connect Crystal RF path
3. Connect charge pump output from PLL1 to Crystal Loop Filter (B1) and Crystal
a. Install 0 ohm resistors R15 and R31.
b. Remove 0.1 uF capacitors in C31 and C43.
a. Remove R39 and install a 0 ohm resistor in R37. This resistor can be “switched”
between the two footprints.
L M K 0 4 0 X X - R E V 3
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