ADA4939-1YCPZ-R7 datasheet(10/24 Pages) AD

10 / 24 page

ADA4939-1/ADA4939-2

Rev. 0 | Page 10 of 24

–12

–10

–8

–6

–4

–2

–11

–9

–7

–5

–3

–1

100

FREQUENCY (MHz)

RL = 1kΩ

RL = 200Ω

VOUT, dm = 100mV p-p

Figure 13. Small Signal Frequency Response for Various Loads

–9

–6

–3

100

FREQUENCY (MHz)

VOCM = 1.0V

VOCM = 3.9V

VOCM = 2.5V

VOUT, dm = 100mV p-p

Figure 14. VOCM Small Signal Frequency Response at Various DC Levels

0.5

–0.5

–0.4

–0.3

–0.2

–0.1

0.1

0.2

0.3

0.4

100

FREQUENCY (MHz)

RL = 1kΩ

RL = 200Ω

RL = 1kΩ OUT1

RL = 1kΩ OUT2

RL = 200Ω OUT1

RL = 200Ω OUT2

VOUT, dm = 100mV p-p

Figure 15. 0.1 dB Flatness Small Signal Response for Various Loads

–12

–10

–8

–6

–4

–2

–11

–9

–7

–5

–3

–1

100

FREQUENCY (MHz)

RL = 1kΩ

RL = 200Ω

VOUT, dm = 2V p-p

Figure 16. Large Signal Frequency Response for Various Loads

–55

–115

–110

–105

–100

–95

–90

–85

–80

–75

–70

–65

–60

100

FREQUENCY (MHz)

VOUT, dm = 2V p-p

HD2, G = 2

HD3, G = 2

HD2, G = 3.16

HD3, G = 3.16

HD2, G = 5

HD3, G = 5

Figure 17. Harmonic Distortion vs. Frequency at Various Gains

–60

–110

–105

–100

–95

–90

–85

–80

–75

–70

–65

100

FREQUENCY (MHz)

HD2, RL, dm = 1kΩ

HD3, RL, dm = 1kΩ

HD2, RL, dm = 200Ω

HD3, RL, dm = 200Ω

VOUT, dm = 2V p-p

VS = ±2.5V

Figure 18. Harmonic Distortion vs. Frequency at Various Loads

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