AD8131
–50
R
L, dm
= 800Ω
V
OUT, dm
= 1V p-p
–60
HD3 (V
S
= 3V)
–60
HD3 (F = 20MHz)
DISTORTION (dBc)
–50
V
S
= 5V
R
L, dm
= 800Ω
DISTORTION (dBc)
–70
HD3 (V
S
= 5V)
–80
HD2 (V
S
= 3V)
–90
HD2 (V
S
= 5V)
–70
–80
HD2 (F = 20MHz)
HD3 (F = 5MHz)
–90
–100
01072-010
–100
HD2 (F = 5MHz)
01072-013
–110
0
10
20
30
40
FREQUENCY (MHz)
50
60
70
–110
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
DIFFERENTIAL OUTPUT VOLTAGE (V p-p)
4.0
Figure 11. Harmonic Distortion vs. Frequency
–40
R
L, dm
= 800Ω
V
OUT, dm
= 2V p-p
HD3 (V
S
=
±5V)
Figure 14. Harmonic Distortion vs. Differential Output Voltage
–50
V
S
= 3V
R
L, dm
= 800Ω
–60
HD3 (F = 20MHz)
HD3 (F = 5MHz)
–50
–60
DISTORTION (dBc)
HD3 (V
S
= +5V)
DISTORTION (dBc)
–70
–70
–80
HD2 (V
S
= +5V)
HD2 (V
S
=
±5V)
–80
HD2 (F = 20MHz)
–90
–90
–100
–100
01072-011
–110
0
10
20
30
40
FREQUENCY (MHz)
50
60
70
–110
0.25
0.50
0.75
1.0
1.25
1.5
DIFFERENTIAL OUTPUT VOLTAGE (V p-p)
1.75
Figure 12. Harmonic Distortion vs. Frequency
Figure 15. Harmonic Distortion vs. Differential Output Voltage
–50
–55
V
S
=
±5V
R
L, dm
= 800Ω
–65
HD3 (F = 20MHz)
V
S
=
±5V
V
OUT, dm
= 2V p-p
–60
HD2 (F = 20MHz)
HD3 (F = 20MHz)
DISTORTION (dBc)
DISTORTION (dBc)
–75
HD2 (F = 20MHz)
–85
–70
–80
–95
–90
HD2 (F = 5MHz)
01072-012
HD2 (F = 5MHz)
–115
HD3 (F = 5MHz)
HD3 (F = 5MHz)
–110
200
300
400
500
600
700
R
LOAD
(Ω)
800
900
0
1
2
3
4
5
DIFFERENTIAL OUTPUT VOLTAGE (V p-p)
6
1000
Figure 13. Harmonic Distortion vs. Differential Output Voltage
Figure 16. Harmonic Distortion vs. R
LOAD
Rev. B | Page 10 of 20
01072-015
–105
–100
01072-014
HD2 (F = 5MHz)
AD [ ANALOG DEVICES ]
