AD8139
TYPICAL PERFORMANCE CHARACTERISTICS
Unless otherwise noted, Diff. Gain = +1, R
G
= R
F
= 200 Ω, R
L, dm
= 1 kΩ, V
S
= ±5 V, T
A
= 25°C, V
OCM
= 0 V. Refer to the basic test circuit in
2
1
NORMALIZED CLOSED-LOOP GAIN (dB)
2
NORMALIZED CLOSED-LOOP GAIN (dB)
0
–1
–2
–3
–4
–5
–6
–7
–8
–9
–10
G = 10
G=1
G=2
1
0
–1
–2
–3
–4
–5
–6
–7
–8
–9
–10
–11
–12
–13
1
10
100
FREQUENCY (MHz)
R
G
= 200Ω
V
O, dm
= 2.0V p-p
G = 10
G=5
G=1
G=2
G=5
04679-0-004
–11
–12
–13
1
R
G
= 200Ω
V
O, dm
= 0.1V p-p
10
100
FREQUENCY (MHz)
1000
1000
Figure 7. Small Signal Frequency Response for Various Gains
5
4
3
2
CLOSED-LOOP GAIN (dB)
Figure 10. Large Signal Frequency Response for Various Gains
3
2
1
0
CLOSED-LOOP GAIN (dB)
V
S
= +5V
1
0
–1
–2
–3
–4
–5
–6
–7
04679-0-005
–1
–2
–3
–4
–5
–6
–7
–8
–9
–10
–11
–12
10
V
O, dm
= 2.0V p-p
100
FREQUENCY (MHz)
04679-0-008
V
S
=
±
5V
V
S
=
±
5V
V
S
= +5V
–8
–9
–10
10
V
O, dm
= 0.1V p-p
100
FREQUENCY (MHz)
1000
1000
Figure 8. Small Signal Frequency Response for Various Power Supplies
3
2
1
0
CLOSED-LOOP GAIN (dB)
Figure 11. Large Signal Frequency Response for Various Power Supplies
3
2
1
0
CLOSED-LOOP GAIN (dB)
+125°C
+85°C
+125°C
+85°C
–1
–2
–3
–4
–5
–6
–7
–8
–9
04679-0-006
–1
–2
–3
–4
–5
–6
–7
–8
–9
–10
–11
–12
10
V
O, dm
= 2.0V p-p
100
FREQUENCY (MHz)
04679-0-009
–40°C
–10
–11
–12
10
V
O, dm
= 0.1V p-p
100
FREQUENCY (MHz)
+25°C
–40°C
+25°C
1000
1000
Figure 9. Small Signal Frequency Response at Various ΩTemperatures
Figure 12. Large Signal Frequency Response at Various Temperatures
Rev. A | Page 9 of 24
04679-0-007
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