AD8044
300
100
30
0.03
0.02
0.01
0.00
–0.01
–0.02
–0.03
–0.04
V
= +5V
S
G = +2
= 150⍀
R
L
0
10
20
30
40
50
60 70
80
90 100
10
0.20
V
= +5V
0.15
0.10
0.05
0.00
S
G = +2
= 150⍀
R
L
3
1
–0.05
–0.10
–0.15
–0.20
1k
10k
100k
10
100
1M
10M
0
10
20
30
40
50
60 70
80
90 100
FREQUENCY – Hz
MODULATING RAMP LEVEL – IRE
Figure 13. Differential Gain and Phase Errors
Figure 10. Input Voltage Noise vs. Frequency
–30
0.3
0.2
0.1
V
R
A
= +5V,
= 100⍀
= +1
S
V
= 2V p-p
O
V
R
A
= +5V,
= 100⍀
= +2
L
V
S
–40
–50
–60
–70
–80
L
V
V
= +3V,
= 100⍀
= –1
S
R
A
L
V
11.6MHz
0.0
–0.1
–0.2
V
= +5V
S
R
R
= 200⍀
= 150⍀ TO 2.5V
–0.3
–0.4
–0.5
–0.6
F
L
G = +2
V
R
A
= +5V,
= 1k⍀
= +2
V
R
A
= +5V,
= 1k⍀
= +1
S
S
V = 0.2V p-p
–90
i
L
V
L
V
–100
1
2
3
4
5
6
7
8 9 10
1M
10M
FREQUENCY – Hz
100M
FUNDAMENTAL FREQUENCY – MHz
Figure 11. Total Harmonic Distortion
Figure 14. 0.1 dB Gain Flatness
–30
80
V
= +5V
= 2k⍀
= 5pF
–40
–50
–60
–70
S
70
60
R
L
10MHz
C
L
50
40
GAIN
–80
–90
5MHz
1MHz
30
20
10
180
135
90
–100
–110
PHASE
V
= +5V
S
R
= 2k⍀ TO 2.5V
L
0
45
0
–120
–130
G = +2
–10
80MHz
100M
–20
30k
–140
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
0
10M
1M
FREQUENCY – Hz
100k
OUTPUT VOLTAGE – V p-p
Figure 15. Open-Loop Gain and Phase Margin
vs. Frequency
Figure 12. Worst Harmonic vs. Output Voltage
–7–
REV. A
ADI [ ADI ]
