Rainbow Electronics MAX3629 - Manual (Page 7)

MAX3629
+3.3V, Low-Jitter, Precision Clock Generator
with Multiple Outputs
_______________________________________________________________________________________ 7
DIFFERENTIAL OUTPUT WAVEFORM
AT 125MHz (LVDS OUTPUT)
MAX3629 toc07
1ns/div
100mV/div
DIFFERENTIAL OUTPUT WAVEFORM
AT 156.25MHz (LVDS OUTPUT)
MAX3629 toc08
1ns/div
100mV/div
DIFFERENTIAL OUTPUT WAVEFORM
AT 312.5MHz (LVDS OUTPUT)
MAX3629 toc09
500ps/div
100mV/div
OUTPUT WAVEFORM
AT 125MHz (CMOS OUTPUT)
MAX3629 toc10
1ns/div
15mV/div
MEASURED USING SETUP IN FIGURE 2
SPURS INDUCED BY POWER-SUPPLY NOISE
vs. NOISE FREQUENCY
MAAX3629 toc11
NOISE FREQUENCY (kHz)
SPUR AMPLITUDE (dBc)
1000 100
-80
-70
-60
-50
-40
-30
-20
-10
0
-90
10 10,000
f C = 156.25MHz, OUTPUT = Q0
V NOISE = 200mV P-P
V NOISE = 100mV P-P
V NOISE = 40mV P-P
SPURS INDUCED BY POWER-SUPPLY NOISE
vs. NOISE FREQUENCY
MAAX3629 toc12
NOISE FREQUENCY (kHz)
SPUR AMPLITUDE (dBc)
1000 100
-80
-70
-60
-50
-40
-30
-20
-10
0
-90
10 10,000
f C = 125MHz, OUTPUT = Q7
V NOISE = 200mV P-P
V NOISE = 100mV P-P
V NOISE = 40mV P-P
Typical Operating Characteristics (continued)
(Typical values are at V DD = +3.3V, T A = +25 °C, crystal frequency = 25MHz.)