ada4939-1 Analog Devices, Inc., ada4939-1 Datasheet - Page 10

• Manufacturer Part Number: ada4939-1
• Description: Ultralow Distortion Differential Adc Driver
• Manufacturer: Analog Devices, Inc.

ADA4939-1/ADA4939-2
Figure 14. V
Figure 15. 0.1 dB Flatness Small Signal Response for Various Loads
–0.1
–0.2
–0.3
–0.4
–0.5
Figure 13. Small Signal Frequency Response for Various Loads
–10
–11
–12
0.5
0.4
0.3
0.2
0.1
–3
–6
–9
–1
–2
–3
–4
–5
–6
–7
–8
–9
6
3
0
0
3
2
1
0
1
1
1
V
V
V
OUT, dm
OUT, dm
OUT, dm
OCM
V
V
V
R
R
R
R
R
R
R
R
Small Signal Frequency Response at Various DC Levels
OCM
OCM
OCM
L
L
L
L
L
L
L
L
= 1kΩ
= 200Ω
= 1kΩ OUT1
= 1kΩ OUT2
= 200Ω OUT1
= 200Ω OUT2
= 1kΩ
= 200Ω
= 100mV p-p
= 100mV p-p
= 100mV p-p
= 1.0V
= 3.9V
= 2.5V
10
10
10
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
100
100
100
1k
1k
1k
Rev. 0 | Page 10 of 24
–100
–105
–110
–115
–100
–105
–110
Figure 18. Harmonic Distortion vs. Frequency at Various Loads
Figure 17. Harmonic Distortion vs. Frequency at Various Gains
Figure 16. Large Signal Frequency Response for Various Loads
–10
–11
–12
–55
–60
–65
–70
–75
–80
–85
–90
–95
–60
–65
–70
–75
–80
–85
–90
–95
–1
–2
–3
–4
–5
–6
–7
–8
–9
3
2
1
0
1
1
1
V
V
V
V
OUT, dm
OUT, dm
OUT, dm
S
= ±2.5V
HD2, R
HD3, R
HD2, R
HD3, R
R
R
HD2, G = 2
HD3, G = 2
HD2, G = 3.16
HD3, G = 3.16
HD2, G = 5
HD3, G = 5
L
L
= 1kΩ
= 200Ω
= 2V p-p
= 2V p-p
= 2V p-p
L, dm
L, dm
L, dm
L, dm
10
= 1kΩ
= 1kΩ
= 200Ω
= 200Ω
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
10
10
100
100
100
1k