ADA4938-2ACPZ-R2 datasheet(12/26 Pages) AD

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ADA4938-1/ADA4938-2

Data Sheet

Rev. B | Page 12 of 26

100

–40

–120

–110

–100

–90

–80

–70

–60

–50

FREQUENCY (MHz)

HD2, VS = +5V

HD3, VS = +5V

HD2, VS = ±5V

HD3, VS = ±5V

Figure 25. Harmonic Distortion vs. Frequency and Supply Voltage

100

–40

–130

–120

–100

–110

–90

–80

–70

–60

–50

FREQUENCY (MHz)

HD2, G = +1

HD3, G = +1

HD2, G = +2

HD3, G = +2

HD2, G = +5

HD3, G = +5

Figure 26. Harmonic Distortion vs. Frequency and Gain

–3.3 –2.7 –2.1 –1.5 –0.9 –0.3 0.3

0.9

1.5

2.1

2.7

3.3

–40

–130

–120

–110

–100

–90

–80

–70

–60

–50

VOCM (V)

HD2, 10MHz

HD3, 10MHz

HD2, 70MHz

HD3, 70MHz

Figure 27. Harmonic Distortion vs. VOCM and Frequency

–40

–120

–110

–100

–90

–80

–70

–60

–50

VOUT, dm (V)

HD2, +5V

HD3, +5V

HD2, ±5V

HD3, ±5V

Figure 28. Harmonic Distortion vs. VOUT and Supply Voltage

100

–40

–120

–110

–100

–90

–80

–70

–60

–50

FREQUENCY (MHz)

HD2, RL = 1kΩ

HD3, RL = 1kΩ

HD2, RL = 200Ω

HD3, RL = 200Ω

HD2, RL = 100Ω

HD3, RL = 100Ω

Figure 29. Harmonic Distortion vs. Frequency for Various Loads

1.7

3.3

3.1

2.9

2.7

2.5

2.3

2.1

1.9

–40

–120

–110

–100

–90

–80

–70

–60

–50

VOCM (V)

HD2, 10MHz

HD3, 10MHz

HD2, 70MHz

HD3, 70MHz

Figure 30. Harmonic Distortion vs. VOCM and Frequency, VS = 5 V

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