Datasheet

AD9559 Data Sheet
Rev. C | Page 24 of 120
Figure 21. Power Consumption vs. Frequency for Two CMOS Drivers;
Power Is Measured on Output Driver Power Supply Only
(Pin 17, Pin 21, Pin 34, and Pin 38 for 1.8 V CMOS Mode or
on Pin 18 and Pin 37 for 3.3 V CMOS Mode); C
LOAD
= 80 pF
Figure 22. Output Waveform, HSTL (400 MHz)
Figure 23. Output Waveform, LVDS (400 MHz)
Figure 24. Output Waveform,
3.3 V CMOS (100 MHz, Strong Mode)
Figure 25. Output Waveform, 1.8 V CMOS (100 MHz)
Figure 26. Output Waveform, 3.3 V CMOS (20 MHz, Weak Mode)
0
10
20
30
40
50
60
80
70
0 20018016014012010080604020
POWER (mW)
FREQUENCY (MHz)
10644-122
1.8V CMOS
3.3V CMOS WEAK
3.3V CMOS STRONG
–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)
10644-123
–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)
10644-124
–0.2
0.2
0.6
1.0
1.4
1.8
2.2
2.6
3.0
3.4
–1
0
1
2 3
4
5
6
7 8
9
10 11
12
13 14
15
AMPLITUDE (V)
TIME (ns)
10pF LOAD
2pF LOAD
10644-126
–1
0
1
2 3
4
5
6
7 8
9
10 11
12
13 14
15
AMPLITUDE (V)
TIME (ns)
–0.1
0.1
0.3
0.5
0.7
0.9
1.1
1.3
1.5
1.7
1.9
10pF LOAD
2pF LOAD
10644-127
0
0.4
0.8
1.2
1.6
2.0
2.4
2.8
3.2
–5 5 15 25 35 45 55 65 75 85 95
AMPLITUDE (V)
TIME (ns)
10pF LOAD
2pF LOAD
10644-128