Datasheet

Data Sheet AD9577
Rev. 0 | Page 19 of 44
TYPICAL PERFORMANCE CHARACTERISTICS
REFOUT AND PLL1 PHASE NOISE PERFORMANCE
–
100
–160
–150
–140
–130
–120
–110
1k 10k 100k 1M 100M10M
PHASE NOISE (dBc/Hz)
FREQUENCY (Hz)
09284-006
Figure 6. Phase Noise, REFOUT Output, 25 MHz (f
XTAL
= 25 MHz)
–
100
–160
–150
–140
–130
–120
–110
1k 10k 100k 1M 100M10M
PHASE NOISE (dBc/Hz)
FREQUENCY (Hz)
09284-007
Figure 7. Phase Noise, PLL1, OUT0 LVPECL, 106.25 MHz, Integer-N Mode
(f
XTAL
= 25 MHz, Na = 102, V0 = 4, D0 = 6)
–
80
–90
–100
–170
–160
–150
–140
–130
–120
–110
1k 10k 100k 1M 100M10M
PHASE NOISE (dBc/Hz)
FREQUENCY (Hz)
09284-008
Figure 8. Phase Noise, PLL1, OUT0 LVPECL, 156.25 MHz Integer-N Mode
(f
XTAL
= 25 MHz, Na = 100, V0 = 4, D0 = 4)
–
100
–160
–150
–140
–130
–120
–110
1k 10k 100k 1M 100M10M
PHASE NOISE (dBc/Hz)
FREQUENCY (Hz)
09284-009
Figure 9. Phase Noise, PLL1, OUT0 LVPECL, 100 MHz, Integer-N Mode
(f
XTAL
= 25 MHz, Na = 100, V0 = 5, D0 = 5)
–
100
–160
–150
–140
–130
–120
–110
1k 10k 100k 1M 100M10M
PHASE NOISE (dBc/Hz)
FREQUENCY (Hz)
09284-010
Figure 10. Phase Noise, PLL1, OUT0 LVPECL, 125 MHz, Integer-N Mode
(f
XTAL
= 25 MHz, Na = 100, V0 = 4, D0 = 5)
–
80
–90
–100
–170
–160
–150
–140
–130
–120
–110
1k 10k 100k 1M 100M10M
PHASE NOISE (dBc/Hz)
FREQUENCY (Hz)
09284-011
Figure 11. Phase Noise, PLL1, OUT0 LVPECL, 625 MHz, Integer-N Mode
(f
XTAL
= 25 MHz, Na = 100, V0 = 2, D0 = 2)