Rainbow Electronics MAX3622 - Manual (Page 4)

MAX3622
Low-Jitter, Precision Clock Generator
with Two Outputs
4 _______________________________________________________________________________________
Typical Operating Characteristics
(Typical values are at V CC = +3.3V, T A = +25°C, crystal frequency = 25MHz.)
SUPPLY CURRENT vs. TEMPERATURE
MAX3622 toc01
AMBIENT TEMPERATURE ( °C)
SUPPLY CURRENT (mA)
60 50 40 30 20 10
25
50
75
100
125
150
0
0 70
BOTH OUTPUTS ACTIVE AND TERMINATED BOTH OUTPUTS ACTIVE AND TERMINATED
BOTH OUTPUTS ACTIVE AND UNTERMINATED BOTH OUTPUTS ACTIVE AND UNTERMINATED
DIFFERENTIAL OUTPUT WAVEFORM
AT 156.25MHz (LVPECL OUTPUT)
MAX3622 toc02
1ns/div
AMPLITUDE (200mv/div)
OUTPUT WAVEFORM AT 125MHz
(LVCMOS OUTPUT)
MAX3622 toc03
1ns/div
AMPLITUDE (50mV/div)
MEASURED USING 50 Ω OSCILLOSCOPE INPUT
THROUGH NETWORK SHOWN IN FIGURE 1
QB PHASE NOISE
(156.25MHz CLOCK FREQUENCY)
MAX3622 toc04
OFFSET FREQUENCY (kHz)
NOISE POWER DENSITY (dBc/Hz)
10,000 1000 1 10 100
-150
-140
-130
-120
-110
-100
-90
-80
-160
0.1 100,000
QA_C PHASE NOISE
(125MHz CLOCK FREQUENCY)
MAX3622 toc05
OFFSET FREQUENCY (kHz)
NOISE POWER DENSITY (dBc/Hz)
10,000 1000 1 10 100
-150
-140
-130
-120
-110
-100
-90
-80
-160
0.1 100,000