AD8145
TYPICAL PERFORMANCE CHARACTERISTICS
Unless otherwise noted, G = 1, RL = 150 Ω, CL = 2 pF, REF = midsupply, VS = ±5 V, TA = 25°C. Refer to the circuit in Figure 35.
3
3
2
+5V
1
2
+5V
1
0
±5V
0
±5V
–1
–1
–2
–2
–3
–3
–4
–4
–5
–5
–6
VOUT = 0.2V p-p
–7
1
10
100
FREQUENCY (MHz)
1000
–6
VOUT = 2V p-p
–7
1
10
100
FREQUENCY (MHz)
1000
Figure 4. Small Signal Frequency Response at Various Power Supplies, G = 1
Figure 7. Large Signal Frequency Response at Various Power Supplies, G = 1
9
8
7
6
5
4
3
+5V ±5V
2
1
0
VOUT = 0.2V p-p
–1
1
10
100
FREQUENCY (MHz)
1000
Figure 5. Small Signal Frequency Response at Various Power Supplies, G = 2
9
8
7
6
5
4
3
+5V ±5V
2
1
0
VOUT = 2V p-p
–1
1
10
100
FREQUENCY (MHz)
1000
Figure 8. Large Signal Frequency Response at Various Power Supplies, G = 2
3
2
1
0
–1 G = 2, CL = 10 + 2pF, RSNUB = 20Ω
G = 2, CL = 0 + 2pF, RSNUB = 0Ω
–2 G = 1, CL = 10 + 2pF, RSNUB = 20Ω
G = 1, CL = 0 + 2pF, RSNUB = 0Ω
–3
–4
–5
–6
VOUT = 0.2V p-p
–7
1
10
100
FREQUENCY (MHz)
1000
Figure 6. Small Signal Frequency Response at Various Gains
and 10 pF Capacitive Load Buffered by 20 Ω Resistor
3
2
1
0
–1
G = 2, CL = 10 + 2pF, RSNUB = 20Ω
–2 G = 2, CL = 0 + 2pF, RSNUB = 0Ω
G = 1, CL = 10 + 2pF, RSNUB = 20Ω
–3 G = 1, CL = 0 + 2pF, RSNUB = 0Ω
–4
–5
–6
VOUT = 2V p-p
–7
1
10
100
FREQUENCY (MHz)
1000
Figure 9. Large Signal Frequency Response at Various Gains
and 10 pF Capacitive Load Buffered by 20 Ω Resistor
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