MAX3627 View Datasheet(PDF) - Maxim Integrated
Part Name
Description
Manufacturer
MAX3627 Datasheet PDF : 11 Pages
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+3.3V, Low-Jitter, Precision Clock
Generator with Multiple Outputs
Typical Operating Characteristics (continued)
(Typical values are at VDD = +3.3V, TA = +25°C, crystal frequency = 25MHz.)
-80
-90
-100
-110
-120
-130
-140
-150
-160
0.1
PHASE NOISE AT 156.25MHz
CLOCK FREQUENCY (Q0)
1 10 100 1000 10,000 100,000
OFFSET FREQUENCY (kHz)
DIFFERENTIAL OUTPUT WAVEFORM
AT 125MHz (LVDS OUTPUT)
MAX3627 toc07
-80
-90
-100
-110
-120
-130
-140
-150
-160
0.1
PHASE NOISE AT 156.25MHz
CLOCK FREQUENCY (Q7)
1 10 100 1000 10,000 100,000
OFFSET FREQUENCY (kHz)
-80
-90
-100
-110
-120
-130
-140
-150
-160
0.1
PHASE NOISE AT 312.5MHz
CLOCK FREQUENCY (Q0)
1 10 100 1000 10,000 100,000
OFFSET FREQUENCY (kHz)
DIFFERENTIAL OUTPUT WAVEFORM
AT 156.25MHz (LVDS OUTPUT)
MAX3627 toc08
DIFFERENTIAL OUTPUT WAVEFORM
AT 312.5MHz (LVDS OUTPUT)
MAX3627 toc09
100mV/div
100mV/div
100mV/div
1ns/div
1ns/div
500ps/div
OUTPUT WAVEFORM
AT 125MHz (CMOS OUTPUT)
MAX3627 toc10
MEASURED USING
SETUP IN FIGURE 2
15mV/div
1ns/div
SPURS INDUCED BY POWER-SUPPLY
NOISE vs. NOISE FREQUENCY
0
fC = 156.25MHz
-10
-20
-30
-40
VNOISE = 200mVP-P
-50
-60
-70
VNOISE = 100mVP-P
-80
-90
VNOISE = 40mVP-P
-100
10
100
1000
NOISE FREQUENCY (kHz)
SPURS INDUCED BY POWER-SUPPLY
NOISE vs. NOISE FREQUENCY
0
fC = 125MHz
-10 OUTPUT = Q7
-20
VNOISE = 200mVP-P
-30
-40
-50
-60
VNOISE = 100mVP-P
VNOISE = 40mVP-P
-70
-80
-90
10
100
1000
NOISE FREQUENCY (kHz)
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