AD8038/AD8039

Rev. G | Page 8 of 16

–90

–85

–80

–75

–70

–65

–60

–55

–50

–45

RL = 500Ω HD2

RL = 500Ω HD3

RL = 2kΩ HD3

RL = 2kΩ HD2

FREQUENCY (MHz)

15

4

3

2

678

9

10

Figure 18. Harmonic Distortion vs. Frequency for Various Loads,

VS = 5 V, VOUT = 2 V p-p, G = +2

FREQUENCY (MHz)

–90

–80

–70

–60

–50

G = +1 HD2

G = +2 HD2

G = +1 HD3

G = +2 HD3

–100

15

4

3

2

6789

10

Figure 19. Harmonic Distortion vs. Frequency for Various Gains,

VS = ±5 V, VOUT = 2 V p-p

FREQUENCY (MHz)

–100

–90

–70

–60

–50

G = +1 HD2

G = +2 HD2

G = +1 HD3

G = +2 HD3

–80

15

4

3

2

678

9

10

Figure 20. Harmonic Distortion vs. Frequency for Various Gains,

VS = 5 V, VOUT = 2 V p-p

AMPLITUDE (V p-p)

1

234

–100

–80

–70

–60

–50

10MHz HD2

10MHz HD3

5MHz HD2

5MHz HD3

1MHz HD2

1MHz HD3

–90

–40

Figure 21. Harmonic Distortion vs. VOUT Amplitude for Various Frequencies,

VS = ±5 V, G = +2

AMPLITUDE (V p-p)

1.0

–85

–75

–65

–55

10MHz HD2

10MHz HD3

5MHz HD2

5MHz HD3

1MHz HD2

–95

–45

1.5

2.0

2.5

3.0

1MHz HD3

Figure 22. Harmonic Distortion vs. Amplitude for Various Frequencies,

VS = 5 V, G = +2

1000

100

10

1

10

FREQUENCY (Hz)

10M

100k

1k

100

10k

100M

1M

Figure 23. Input Voltage Noise vs. Frequency