AD9577BCPZ-R7 datasheet(19/44 Pages) AD

19 / 44 page

Data Sheet

AD9577

Rev. A | Page 19 of 44

TYPICAL PERFORMANCE CHARACTERISTICS

REFOUT AND PLL1 PHASE NOISE PERFORMANCE

–100

–160

–150

–140

–130

–120

–110

10k

100k

100M

10M

FREQUENCY (Hz)

Figure 6. Phase Noise, REFOUT Output, 25 MHz (fXTAL = 25 MHz)

–100

–160

–150

–140

–130

–120

–110

10k

100k

100M

10M

FREQUENCY (Hz)

Figure 7. Phase Noise, PLL1, OUT0 LVPECL, 106.25 MHz, Integer-N Mode

(fXTAL = 25 MHz, Na = 102, V0 = 4, D0 = 6)

–80

–90

–100

–170

–160

–150

–140

–130

–120

–110

10k

100k

100M

10M

FREQUENCY (Hz)

Figure 8. Phase Noise, PLL1, OUT0 LVPECL, 156.25 MHz Integer-N Mode

(fXTAL = 25 MHz, Na = 100, V0 = 4, D0 = 4)

–100

–160

–150

–140

–130

–120

–110

10k

100k

100M

10M

FREQUENCY (Hz)

Figure 9. Phase Noise, PLL1, OUT0 LVPECL, 100 MHz, Integer-N Mode

(fXTAL = 25 MHz, Na = 100, V0 = 5, D0 = 5)

–100

–160

–150

–140

–130

–120

–110

10k

100k

100M

10M

FREQUENCY (Hz)

Figure 10. Phase Noise, PLL1, OUT0 LVPECL, 125 MHz, Integer-N Mode

(fXTAL = 25 MHz, Na = 100, V0 = 4, D0 = 5)

–80

–90

–100

–170

–160

–150

–140

–130

–120

–110

10k

100k

100M

10M

FREQUENCY (Hz)

Figure 11. Phase Noise, PLL1, OUT0 LVPECL, 625 MHz, Integer-N Mode

(fXTAL = 25 MHz, Na = 100, V0 = 2, D0 = 2)

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