AD8044AR Datasheet, PDF (8/17 Pages) Analog Devices – Quad 150 MHz Rail-to-Rail Amplifier

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