Datasheet

AD9510 Data Sheet
Rev. B | Page 8 of 56
CLOCK OUTPUT PHASE NOISE
Table 5.
Parameter Min Typ Max Unit Test Conditions/Comments
CLK1-TO-LVPECL ADDITIVE PHASE NOISE
Distribution Section only, does not include
PLL or external VCO/VCXO
CLK1 = 622.08 MHz, OUT = 622.08 MHz Input slew rate > 1 V/ns
Divide Ratio = 1
At 10 Hz Offset −125 dBc/Hz
At 100 Hz Offset −132 dBc/Hz
At 1 kHz Offset
−140
dBc/Hz
At 10 kHz Offset −148 dBc/Hz
At 100 kHz Offset −153 dBc/Hz
>1 MHz Offset −154 dBc/Hz
CLK1 = 622.08 MHz, OUT = 155.52 MHz
Divide Ratio = 4
At 10 Hz Offset −128 dBc/Hz
At 100 Hz Offset −140 dBc/Hz
At 1 kHz Offset −148 dBc/Hz
At 10 kHz Offset −155 dBc/Hz
At 100 kHz Offset −161 dBc/Hz
>1 MHz Offset
−161
dBc/Hz
CLK1 = 622.08 MHz, OUT = 38.88 MHz
Divide Ratio = 16
At 10 Hz Offset −135 dBc/Hz
At 100 Hz Offset −145 dBc/Hz
At 1 kHz Offset −158 dBc/Hz
At 10 kHz Offset −165 dBc/Hz
At 100 kHz Offset −165 dBc/Hz
>1 MHz Offset −166 dBc/Hz
CLK1 = 491.52 MHz, OUT = 61.44 MHz
Divide Ratio = 8
At 10 Hz Offset
−131
dBc/Hz
At 100 Hz Offset −142 dBc/Hz
At 1 kHz Offset −153 dBc/Hz
At 10 kHz Offset −160 dBc/Hz
At 100 kHz Offset −165 dBc/Hz
> 1 MHz Offset −165 dBc/Hz
CLK1 = 491.52 MHz, OUT = 245.76 MHz
Divide Ratio = 2
At 10 Hz Offset −125 dBc/Hz
At 100 Hz Offset −132 dBc/Hz
At 1 kHz Offset −140 dBc/Hz
At 10 kHz Offset
−151
dBc/Hz
At 100 kHz Offset −157 dBc/Hz
>1 MHz Offset −158 dBc/Hz
CLK1 = 245.76 MHz, OUT = 61.44 MHz
Divide Ratio = 4
At 10 Hz Offset −138 dBc/Hz
At 100 Hz Offset
−144
dBc/Hz
At 1 kHz Offset −154 dBc/Hz
At 10 kHz Offset −163 dBc/Hz
At 100 kHz Offset −164 dBc/Hz
>1 MHz Offset −165 dBc/Hz