Texas Instruments Clock Jitter Cleaner With Dual Cascaded PLLs and Integrated 2.2 GHz VCO LMK04805BEVAL/NOPB LMK04805BEVAL/NOPB 데이터 시트
제품 코드
LMK04805BEVAL/NOPB
L M K 0 4 8 X X E V A L U A T I O N B O A R D O P E R A T I N G I N S T R U C T I O N S
12
PLL2 Loop Filter
Table 5: PLL2 Loop Filter Parameters for LMK048xxB
Integrated VCO PLL
LMK04803B LMK04805B
LMK04806B
LMK04808B
C1_A2
0.047
nF
C2_A2
3.9
nF
C3 (internal)
0
nF
C4 (internal)
0
nF
R2_A2
0.62
kΩ
R3 (internal)
0.2
kΩ
R4 (internal)
0.2
kΩ
Charge Pump
Current, K
3.2
mA
Phase Detector
Frequency
122.88
MHz
Frequency
1966.08
2211.84
2457.6
2949.12
MHz
Kvco
17.9
16.5
18.8
32.3
MHz/V
N
16
18
20
24
Phase Margin
75
75
75
76
degrees
Loop
Bandwidth
355
320
321
424
kHz
Note: PLL Loop Bandwidth is a function of K , Kvco, N as well as loop components. Changing
K and N will change the loop bandwidth.