LMK04000BEVALXO National Semiconductor, LMK04000BEVALXO Datasheet - Page 33

• 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

Appendix C: Schematics
Power
POWER_SMALL
J1
VccLDO
Open
1
2
Vcc
SMA
1
2
R214
Open
LP5900 Component values
C222 = 0.47 uF
C223 = 0.47 uF
R216 = 51 k
R200
Open
R207
Open
C214
Open
C222
Open
Vcc
R203
Open
R211
Open
R216
Open
LDO Power Options
Direct Power
L M K 0 4 0 X X - R E V 3
6
4
4
8
2
7
LP5900SD-3.3
U202
1
C206
Open
LP3878-ADJ
U200
VIN
VEN
VIN
SD
NC
NC
DAP GND
DAP GND
U201
Vin
GND
LM317
VOUT
BYP
ADJ
Open
R209
Open
Open
VOUT
Open
Vout
NC
NC
5
6
1
1
5
2
3
LP3878-ADJ 3.3 V component values:
C214(C1) = 4.7 uF
C218 (C2) = 0.01 uF
C216 (C3) = 10 uF
C215 (C4) = 3.9 nF
C218
Open
V_LM5900
R204
Open
C209
Open
V_LM317
V_LM3878-ADJ
E V A L U A T I O N
R1
0 ohm
R2
0 ohm
R3
0 ohm
C215
Open
C223
Open
C207
Open
VccCLKoutPlane
R212
Open
R213
Open
VccPLLPlane
VccAuxPlane
R215
Open
R212 (R1) = 2.3 k
R213 (R2) = 1 k
R211(R3) = 51 k
R201
Open
R205
Open
R210
Open
VccCLKoutPlane
R202
Open
R206
Open
Open
R208
LDO_Out
C216
Open
B O A R D
VccCLKoutPlane
VccAuxPlane
VccPLLPlane
O P E R A T I N G
VccCLKoutPlane
VccPLLPlane
VccAuxPlane
Power Plane for LMK CLKout Outputs
VccCLKoutPlane
Power Plane for LMK Except Outputs
VccPLLPlane
Power Plane for XO and VCXOs, LDOs, etc.
VccAuxPlane
Vcc
Vcc Header
1
3
5
7
Open
Vcc_TP
33
C1
10 uF
C4
1 uF
C11
10 uF
C14
1 uF
C18
1 uF
I N S T R U C T I O N S
C21
10 uF
2
4
6
8
C2
1 uF
C5
0.1 uF
C12
1 uF
C15
0.1 uF
C19
0.1 uF
C22
1 uF
VccPLLPlane
VccAuxPlane
VccCLKoutPlane
Vcc
C3
0.1 uF
C6
10 nF
C13
0.1 uF
C16
10 nF
C20
10 nF
C23
0.1 uF
C7
1 uF
GND
GND Header
C8
0.1 uF
1
3
5
Open
GND_TP
C9
10 nF
2
4
6
C205
Open
C210
Open
C212
Open
C217
Open
C220
Open
CLK0
CLK1
CLK2
CLK3
CLK4
Designators greater than and equal to 200 are placed on bottom of PCB
LMK04000BEVAL schematic.
Refer to BOM for differences.
Power Take Off for
external Oscillator boards
VccAuxPlane
C213
C204
Open
Open
C200
Open
C201
Open
C202
Open
C203
Open
C208
Open
C211
Open
C219
Open
C221
Open
C10
0.1 uF
C17
0.1 uF
PTO
Open
Fout [inc LDO]
VCO [inc LDO]
Digital
CLKin
PDCP1
VCXO_IC
OSCin
PDCP2
PLL2