ADA4927-1 Datasheet, PDF (11/24 Pages) Analog Devices – Ultralow Distortion Current Feedback Differential ADC Driver

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V_OUT, _dm = 2V p-p
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1
HD2, R_L = 1kΩ
HD3, R_L = 1kΩ
HD2, R_L = 200Ω
HD3, R_L = 200Ω
10
100
1k
FREQUENCY (MHz)
Figure 19. Harmonic Distortion vs. Frequency at Various Loads
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V_OUT, _dm = 2V p-p
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1
HD2, V_S = ±5V
HD3, V_S = ±5V
HD2, V_S = ±2.5V
HD3, V_S = ±2.5V
10
100
1k
FREQUENCY (MHz)
Figure 20. Harmonic Distortion vs. Frequency at Various Supplies
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V_OUT, _dm = 2V p-p
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HD2, 10MHz
HD3, 10MHz
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–1.2 –1.0 –0.8 –0.6 –0.4 –0.2 0 0.2 0.4 0.6 0.8 1.0 1.2
V_OCM (V)
Figure 21. Harmonic Distortion vs. VOCM at 10 MHz, ±2.5 V Supplies
ADA4927-1/ADA4927-2
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V_OUT, _dm = 2V p-p
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10
100
FREQUENCY (MHz)
HD2, G = 1
HD3, G = 1
HD2, G = 10
HD3, G = 10
HD2, G = 20
HD3, G = 20
1k
Figure 22. Harmonic Distortion vs. Frequency at Various Gains
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V_OUT, _dm = 2V p-p
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HD2, V_S = ±5V
HD3, V_S = ±5V
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HD2, V_S = ±2.5V
HD3, V_S = ±2.5V
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0
1
2
3
4
5
6
7
8
9
V_OUT, _dm (V p-p)
Figure 23. Harmonic Distortion vs. VOUT, dm and Supply Voltage, f = 10 MHz
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V_OUT, _dm = 2V p-p
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HD2, 10MHz
HD3, 10MHz
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–1
0
1
2
3
4
V_OCM (V)
Figure 24. Harmonic Distortion vs. VOCM at 10 MHz, ±5 V Supplies
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