AD8139 AD [Analog Devices], AD8139 Datasheet - Page 10

• Manufacturer Part Number: AD8139
• Description: Low Noise Rail-to-Rail Differential ADC Driver
• Manufacturer: AD [Analog Devices]

AD8139
Figure 13. Small Signal Frequency Response for Various Loads
–10
–11
–12
–10
–11
–12
Figure 15. Small Signal Frequency Response at Various V
–1
–2
–3
–4
–5
–6
–7
–8
–9
–1
–2
–3
–4
–5
–6
–7
–8
–9
–1
–2
–3
–4
–5
–6
–7
–8
–9
Figure 14. Small Signal Frequency Response for Various C
3
2
1
0
3
2
1
0
6
5
4
3
2
1
0
10
10
10
V
V
V
O, dm
O, dm
O, dm
= 0.1V p-p
= 0.1V p-p
= 0.1V p-p
V
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
R
OCM
L
V
= 200Ω
OCM
= –4.3V
100
100
100
C
= +4.3V
F
= 2pF
V
OCM
= 0V
R
L
C
V
= 1kΩ
OCM
F
R
C
V
= 0pF
L
OCM
F
= 100Ω
= +4V
= 1pF
R
L
= –4V
= 500Ω
OCM
F
1000
1000
1000
Rev. A | Page 10 of 24
Figure 18. 0.1 dB Flatness for Various Loads and Output Amplitudes
Figure 16. Large Signal Frequency Response for Various Loads
–0.1
–0.2
–0.3
–0.4
–0.5
–10
–11
–12
–13
–10
–11
–12
–13
0.5
0.4
0.3
0.2
0.1
–1
–2
–3
–4
–5
–6
–7
–8
–9
–1
–2
–3
–4
–5
–6
–7
–8
–9
Figure 17. Large Signal Frequency Response for Various C
2
1
0
2
1
0
0
10
10
1
V
V
O, dm
O, dm
= 2.0V p-p
= 2.0V p-p
R
L
= 100Ω
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (Hz)
C
R
C
F
(V
L
F
(V
= 0pF
100
100
O, dm
10
= 500Ω
= 2pF
O, dm
(V
= 2.0V p-p)
R
O, dm
= 2.0V p-p)
L
R
R
= 100Ω
C
L
L
F
= 1kΩ
= 0.1V p-p)
= 200Ω
R
= 1pF
L
(V
= 100Ω
O, dm
= 0.1V p-p)
R
R
L
L
= 1kΩ
= 1kΩ
F
1000
1000
100