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AD9550 Datasheet, PDF (5/20 Pages) Analog Devices – Integer-N Clock Translator for Wireline Communications
AD9550
Parameter
CMOS MODE
Output Voltage High, VOH
IOH = 10 mA
IOH = 1 mA
Output Voltage Low, VOL
IOL = 10 mA
IOL = 1 mA
Frequency Range
Min
Typ
2.8
2.8
0
Duty Cycle
45
Rise/Fall Time1 (20% to 80%)
500
1 The listed values are for the slower edge (rise or fall).
JITTER CHARACTERISTICS
Table 3.
Parameter
JITTER GENERATION
Output
12 kHz to 20 MHz
LVPECL
Min Typ Max
1.31
1.28
0.89
LVDS Output
1.32
1.29
CMOS Output
1.24
1.26
50 kHz to 80 MHz
LVPECL
0.44
0.75
0.58
LVDS
0.45
0.76
CMOS
0.39
0.44
JITTER TRANSFER BANDWIDTH
Bandwidth Setting
Low
170
Medium
20
High
75
JITTER TRANSFER PEAKING
Bandwidth Setting
Low
1.3
Medium
0
High
0.08
Max
Unit Test Conditions/Comments
Output driver static
V
V
Output driver static
0.5
V
0.3
V
200
MHz 3.3 V CMOS; output toggle rates in excess of the
maximum are possible, but with reduced amplitude
(see Figure 14)
55
% At maximum output frequency
745
ps 3.3 V CMOS; 10 pF load
Unit Test Conditions/Comments
ps rms
ps rms
ps rms
ps rms
ps rms
ps rms
ps rms
ps rms
ps rms
ps rms
ps rms
ps rms
ps rms
ps rms
Input = 122.88 MHz, output = 155.52 MHz
Input = 19.44 MHz, output = 245.76 MHz
Input = 25 MHz, output = 125 MHz, Pin A3 to Pin A0 = 1110, Pin Y5
to Pin Y0 = 111111 (see Figure 3)
Input = 122.88 MHz, output = 155.52 MHz
Input = 19.44 MHz, output = 245.76 MHz
Input = 122.88 MHz, output = 155.52 MHz
Input = 19.44 MHz, output = 245.76 MHz, see Figure 14 regarding
CMOS toggle rates above 250 MHz
Input = 122.88 MHz, output = 155.52 MHz
Input = 122.88 MHz, output = 155.52 MHz
Input = 19.44 MHz, output = 245.76 MHz
Input = 25 MHz, output = 125 MHz, Pin A3 to Pin A0 = 1110, Pin Y5
to Pin Y0 = 111111 (see Figure 3)
Input = 122.88 MHz, output = 155.52 MHz
Input = 19.44 MHz, output = 245.76 MHz
Input = 122.88 MHz, output = 155.52 MHz
Input = 19.44 MHz, output = 245.76 MHz, see Figure 14 regarding
CMOS toggle rates above 250 MHz
See the Typical Performance Characteristics section
Hz
kHz
kHz
See the Typical Performance Characteristics section
dB
dB
dB
Rev. 0 | Page 5 of 20