AD9572
Rev. B | Page 5 of 20
LVPECL CLOCK OUTPUT JITTER
Typical (typ) is given for VS = 3.3 V, TA = 25°C, unless otherwise noted.
Table 3.
Jitter Integration
Bandwidth (Typ)
100
MHz
106.25
MHz
125 MHz
33M =
Off/On
156.25
MHz
Unit
Test Conditions/Comments
12 kHz to 20 MHz (Typ)
0.61
0.45
0.44/2.2
0.46
ps rms
LVPECL output frequency combinations are 1 × 156.25
MHz, 1 × 100 MHz, 1 × 125 MHz, 2 × 106.25 MHz
12 kHz to 20 MHz (Max)
0.87
0.81
0.56 (off
only)
0.56
ps rms
LVPECL output frequency combinations are 1 × 156.25
MHz, 1 × 100 MHz, 1 × 125 MHz, 2 × 106.25 MHz
1.875 MHz to 20 MHz (Typ)
0.28
ps rms
LVPECL output frequency combinations are 1 × 156.25
MHz, 1 × 100 MHz, 1 × 125 MHz, 2 × 106.25 MHz
637 kHz to 10 MHz (Typ)
0.23
ps rms
LVPECL output frequency combinations are 1 × 156.25
MHz, 1 × 100 MHz, 1 × 125 MHz, 2 × 106.25 MHz
200 kHz to 10 MHz (Typ)
0.38
0.24/2.2
ps rms
LVPECL output frequency combinations are 1 × 156.25
MHz, 1 × 100 MHz, 1 × 125 MHz, 2 × 106.25 MHz
12 kHz to 35 MHz (Typ)
0.52 (off
only)
ps rms
LVPECL output frequency combinations are 156.25
MHz unterminated, 2 × 125 MHz, 2 × 106.25 MHz
12 kHz to 35 MHz (Max)
0.66 (off
only)
ps rms
LVPECL output frequency combinations are 156.25
MHz unterminated, 2 × 125 MHz, 2 × 106.25 MHz
CMOS CLOCK OUTPUT JITTER
Typical (typ) is given for VS = 3.3 V, TA = 25°C, unless otherwise noted.
Table 4.
Jitter Integration Bandwidth
25 MHz
33.3 MHz
Unit
Test Conditions/Comments
12 kHz to 5 MHz (Typ)
0.78
0.41
ps rms
12 kHz to 5 MHz (Max)
1.1
N/A
ps rms
200 kHz to 5 MHz (Typ)
0.76
0.52
ps rms
200 kHz to 5 MHz (Max)
1.0
N/A
ps rms
REFERENCE INPUT
Typical (typ) is given for VS = 3.3 V ± 10%, TA = 25°C, unless otherwise noted. Minimum (min) and maximum (max) values are given
over full VS and TA (40°C to +85°C) variation.
Table 5.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
CLOCK INPUT (REFCLK)
Input Frequency
25
MHz
Input High Voltage
2.0
V
Input Low Voltage
0.8
V
Input Current
1.0
+1.0
μA
Input Capacitance
2
pF