LMK04000BEVAL/NOPB National Semiconductor, LMK04000BEVAL/NOPB Datasheet - Page 34

• Manufacturer Part Number: LMK04000BEVAL/NOPB
• Description: BOARD EVAL PRECISION CLOCK PLL
• Manufacturer: National Semiconductor
• Series: PowerWise®r

Specifications of LMK04000BEVAL/NOPB

• Main Purpose: Timing, Clock Conditioner
• Embedded: No
• Utilized Ic / Part: LMK04000
• Primary Attributes: 122.88 MHz VCXO
• Secondary Attributes: Integrated PLL & VCO
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LMK04000BEVAL; LMK04000BEVAL

Main
LD
Open
CLKin0
Open
CLKin0*
SMA
SYNC* VoltageTranslation
Fout
SMA
CLKuWire
SYNC*
Open
C49
Open
R42
Open
Fout Balun and Impedance Matching
VccAuxPlane
DATAuWire
LD
R43
Open
R46
Open
LEuWire
VccAuxPlane
R44
0 ohm
R6
270 ohm
R35
2.2 k
R5
18 ohm
C44
Open
L M K 0 4 0 X X - R E V 3
Analog LD
SYNC*
GOE
Open
D8
3.3 V zener
R7
270 ohm
C24
100 pF
R36
180 ohm
VccAuxPlane
R40
2.2 k
C47
1 uF
C28
33 pF
R41
180 ohm
D7
3.3 V zener
LD
GOE Voltage Translation
C27
33 pF
uWire
HEADER_2X5(POLARIZED)
C53
Open
C58
0 ohm
C29
10 uF
GOE_TP
C26
33 pF
CLKin0 Impedance Matching and Attenuation
VccPLLPlane
VccPLLPlane
C30
0.1 uF
E V A L U A T I O N
VccAuxPlane
10
11
12
CLKout4_N
1
2
3
4
5
6
7
8
9
CLKout4_P
VccCLKoutPlane
GND
Fout
Vcc1
CLKuWire
DATAuWire
LEuWire
NC
Vcc2
LDObyp1
LDObyp2
GOE
LD
LD_TP
LD Indicator
Open
R52
Open
R61
Open
D2
CLKout3_N
CLKout3_P
VccCLKoutPlane
R54
Open
R65
0 ohm
R45
270 ohm
Green LED
D1
CLKout0_N
CLKout0_P
R25
Open
R53
Open
R62
51 ohm
LMK040xxB
VccCLKoutPlane
C32
0.47 uF
0
VccPLLPlane
DAP PAD
R58
Open
B O A R D
C45
0.1 uF
C54
Open
C59
0.1 uF
VccCLKoutPlane
VccPLLPlane
CLKout2_N
CLKout2_P
C46
Open
VccCLKoutPlane
CLKin1_LOS
CLKin0_LOS
CLKout1_N
CLKout1_P
VccPLLPlane
CLKin1*
LMK04000B
OSCin*
SYNC*
CLKin1
O P E R A T I N G
U1
CPout2
OSCin
Vcc10
Vcc9
Vcc8
Bias
VccPLLPlane
36
35
34
33
32
31
30
29
28
27
26
25
1 uF
C25
VccPLLPlane
SYNC*
VccPLLPlane
SYNC*_TP
Y200
Open
C42
Open
CLKin1 Crystal
R21
Open
R31
0 ohm
34
R27
Open
R15
0 ohm
Y1
Open
I N S T R U C T I O N S
C50
Open
C61
Open
C35
2.2 nF
C43
Open
C40
2.2 nF
R10
0 ohm
C33
2.0 pF
C31
Open
C41
2.0 pF
D9
VTUNE2_TP1
VTUNE2
C1_A2
C1_B2
Open
R9
Open
Open
3
R20
4.7 k
C48
C60
0.1 uF
R23
10 k
0.1 uF
R30
4.7 k
C2pA2
C2_B2
6.8 nF
VccAuxPlane
Open
VccAuxPlane
LOS Indication
R51
100 ohm
CLKin1 Impedance Matching and Attenuation
R2_A2
1.8 k
C37
1 nF
D6
Open
Vtune_XTAL
D4
Open
VCXO Loop Filter
Crystal Loop Filter
C2_A2
12 nF
PLL2 Loop Filters
C2pB2
Open
R2_B2
2.7 k
R4
270 ohm
R8
270 ohm
R50
Open
Red LED
Red LED
D5
D3
R63
Open
R47
0 ohm
R60
0 ohm
R49
Open
R64
Open
C52
Open
C57
Open
Vtune1
C51
0 ohm
C62
0 ohm
R37
0 ohm
R22
Open
R16
0 ohm
R32
0 ohm
R34
Open
R39
Open
R13
51 ohm
R48
Open
R55
Open
R14
Open
R33
Open
LMK04000BEVAL schematic.
Refer to BOM for differences.
VCXO Loop Filter
Crystal Loop Filter
VccAuxPlane
C1_A1
100 nF
C1_B1
330 nF
R59
Open
C34
0.1 uF
C36
0.1 uF
Designators greater than and equal to 200 are placed on bottom of PCB
PLL1 Loop Filters
C56
Open
CLKin1 XO
R2_A1
39 k
R2_B1
3.9 k
C2_A1
680 nF
C2_B1
Open
R17
Open
R24
Open
4
5
6
U3
Open
RF
RF*
Vs
VccAuxPlane
C2pA1
Open
C2pB1
10 uF
Vtune
GND
OSCin VCXO
NC
R26
Open
3
2
1
C38
100 pF
C55
Open
4
5
6
U4
CVHD-950-122.88
Vtune1
RF
RF*
Vs
C39
1 uF
R56
Open
Vtune
Open
GND
R38
NC
Vtune_VCXO
Vtune_XTAL
3
2
1
R57
Open
Vtune_VCXO
Vtune1
Open
VccAuxPlane
LOS1
Open
LOS0
Open
OSCin*
Open
OSCin
Open
CLKin1*
SMA
CLKin1
SMA
C3_AB1
Open