Data Sheet AD8145
TYPICAL PERFORMANCE CHARACTERISTICS
Unless otherwise noted, G = 1, R
L
= 150 Ω, C
L
= 2 pF, REF_x = midsupply, V
S
= ±5 V, T
A
= 25°C. Refer to the circuit in Figure 35.
3
–7
1 1000
FREQUENCY (MHz)
GAIN (dB)
10 100
2
1
0
–1
–2
–3
–4
–5
–6
+5V
V
OUT
= 0.2V p-p
±5V
06307-004
Figure 4. Small Signal Frequency Response at Various Power Supplies, G = 1
9
–1
1
1000
FREQUENCY (MHz)
GAIN (dB)
10 100
8
7
6
5
4
3
2
1
0
+5V ±5V
V
OUT
= 0.2V p-p
06307-005
Figure 5. Small Signal Frequency Response at Various Power Supplies, G = 2
3
–7
1 1000
FREQUENCY (MHz)
GAIN (dB)
10 100
2
1
0
–1
–2
–3
–4
–5
–6
V
OUT
= 0.2V p-p
G = 2, C
L
= 10 + 2pF, R
SNUB
= 20Ω
G = 2, C
L
= 0 + 2pF, R
SNUB
= 0Ω
G = 1, C
L
= 10 + 2pF, R
SNUB
= 20Ω
G = 1, C
L
= 0 + 2pF, R
SNUB
= 0Ω
06307-006
Figure 6. Small Signal Frequency Response at Various Gains
and 10 pF Capacitive Load Buffered by 20 Ω Resistor
3
–7
1 1000
FREQUENCY (MHz)
GAIN (dB)
10 100
2
1
0
–1
–2
–3
–4
–5
–6
±5V
+5V
V
OUT
= 2V p-p
06307-007
Figure 7. Large Signal Frequency Response at Various Power Supplies, G = 1
9
–1
1 1000
FREQUENCY (MHz)
GAIN (dB)
10 100
8
7
6
5
4
3
2
1
0
+5V
V
OUT
= 2V p-p
±5V
06307-008
Figure 8. Large Signal Frequency Response at Various Power Supplies, G = 2
3
–7
1 1000
FREQUENCY (MHz)
GAIN (dB)
10 100
2
1
0
–1
–2
–3
–4
–5
–6
V
OUT
= 2V p-p
G = 2, C
L
= 10 + 2pF, R
SNUB
= 20Ω
G = 2, C
L
= 0 + 2pF, R
SNUB
= 0Ω
G = 1, C
L
= 10 + 2pF, R
SNUB
= 20Ω
G = 1, C
L
= 0 + 2pF, R
SNUB
= 0Ω
06307-009
Figure 9. Large Signal Frequency Response at Various Gains
and 10 pF Capacitive Load Buffered by 20 Ω Resistor
Rev. B | Page 9 of 21