Datasheet

Data Sheet AD9558
Rev. B | Page 21 of 104
–160
–150
–140
–130
–120
–1
10
–100
–90
–80
1k100
10k
100k
1M
10M
100M
PHASE NOISE (dBc/Hz)
FREQUENC
Y
OFFSET (Hz)
INTEGR
ATED RMS JITTER (12kHz
T
O 20MHz): 302fs
09758-007
Figure 7. Absolute Phase Noise (Output Driver = 3.3.V CMOS),
f
R
= 19.44 MHz, f
OUT
= 161.1328125 MHz,
DPLL Loop BW = 100 Hz, f
SYS
= 49.152 MHz Crystal
–160
–150
–140
–130
–120
–
110
–100
–90
–80
–70
1k100
10k
100k 1M
10M
100M
PHASE NOISE (dBc/Hz)
FREQUENC
Y OFFSET (Hz)
INTEGR
ATED RMS JITTER (12kHz
TO 20MHz): 308fs
09758-008
Figure 8. Absolute Phase Noise (Output Driver = HSTL),
f
R
= 2 kHz, f
OUT
= 125 MHz,
DPLL Loop BW = 100 Hz, f
SYS
= 49.152 MHz Crystal
–160
–150
–140
–130
–120
–110
–100
–90
–80
–70
–60
1k100
10k
100k 1M
10M
100M
PHASE NOISE (dBc/Hz)
FREQUENCY OFFSET (Hz)
INTEGRATED RMS JITTER (12kHz TO 20MHz): 343fs
09758-009
Figure 9. Absolute Phase Noise (Output Driver = HSTL),
f
R
= 25 MHz, f
OUT
= 1 GHz,
DPLL Loop BW = 500 Hz, f
SYS
= 49.152 MHz Crystal
–160
–150
–140
–130
–120
–110
–100
–90
–80
–70
–60
1k10 100 10k 100k 1M 10M 100M
PHASE NOISE (dBc/Hz)
FREQUENCY OFFSET (Hz)
INTEGR
ATED RMS JITTER (12kHz
TO 20MHz): 393fs
09758-010
Figure 10. Absolute Phase Noise (Output Driver = HSTL),
f
R
= 19.44 MHz, f
OUT
= 644.53 MHz,
DPLL Loop BW = 0.1 Hz, f
SYS
= 19.2 MHz TCXO
–160
–150
–140
–130
–120
–110
–100
–90
–80
–70
–60
PHASE NOISE (dBc/Hz)
FREQUENCY OFFSET (Hz)
INTEGRATED RMS JITTER (12kHz TO 20MHz): 371s
1k10
100
10k
100k 1M
10M
100M
09758-011
Figure 11. Absolute Phase Noise (Output Driver = HSTL),
f
R
= 19.44 MHz, f
OUT
= 693.482991 MHz,
DPLL Loop BW = 0.1 Hz, f
SYS
= 19.2 MHz TCXO
–160
–150
–140
–130
–120
–110
–100
–90
–80
–70
1k10
100
10k
100k 1M
10M
100M
PHASE NOISE (dBc/Hz)
FREQUENCY OFFSET (Hz)
INTEGRATED RMS JITTER (12kHz TO 20MHz): 404fs
09758-012
Figure 12. Absolute Phase Noise (Output Driver = HSTL),
f
R
= 19.44 MHz, f
OUT
= 312.5 MHz,
DPLL Loop BW = 0.1 Hz, f
SYS
= 19.2 MHz TCXO