Datasheet

AD9557 Data Sheet
Rev. B | Page 22 of 92
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
0
10
20
30
40
50
60 70
80
PEAK-TO-PEAK AMPLITUDE (V)
FREQUENCY (MHz)
09197-
119
Figure 19. Amplitude vs. Toggle Rate with 10 pF Load,
3.3 V (Weak Mode) CMOS
09197-120
30
35
40
45
50
55
60
65
70
75
0 250 500 750 1000 1250
POWER (mW)
FREQUENCY (MHz)
Figure 20. Power Consumption vs. Frequency,
HSTL Mode on Output Driver Power Supply Only (Pin 11 and Pin 17)
09197-121
0
5
10
15
20
25
30
35
40
45
50
55
60
65
0 100 200
300
400 500
600
700
800
POWER (mW)
FREQUENCY
(MHz)
Figure 21. Power Consumption vs. Frequency, LVDS Mode on Output Driver
Power Supply Only (Pin 11 and Pin 17)
0
10
20
30
40
50
60
70
0
50
100 150 200
POWER (mW)
FREQUENCY (MHz)
1.8V CMOS MODE
3.3V CMOS STRONG MODE
3.3V CMOS WEAK MODE
09197-122
Figure 22. Power Consumption vs. Frequency, CMOS Mode on Output Driver
Power Supply Only (Pin 11 and Pin 17) for 1.8 V CMOS Mode or on Pin 19 for
3.3 V CMOS Mode, One CMOS Driver
–1.0
–0.8
–0.6
–0.4
–0.2
0
0.2
0.4
0.6
0.8
1.0
–1
0 1
2
3 4 5
DIFFERENTIAL AMPLITUDE (V)
TIME (ns)
09197-123
Figure 23. Output Waveform, HSTL (400 MHz)
–0.4
–0.3
–0.2
–0.1
0
0.1
0.2
0.3
0.4
–1 0 1
2 3 4
DIFFERENTIAL AMPLITUDE (V)
TIME (ns)
09197-124
Figure 24. Output Waveform, LVDS (400 MHz)