Datasheet

Data Sheet ADA4858-3
Rev. B | Page 7 of 20
TYPICAL PERFORMANCE CHARACTERISTICS
T
A
= 25°C, V
S
= 5 V, G = 2, R
F
= 301 Ω, R
F
= 402 Ω for G = 1, R
F
= 200 Ω for G = 5, R
L
= 150 Ω, large signal V
OUT
= 2 V p-p, and small signal
V
OUT
= 0.1 V p-p, unless otherwise noted.
2
–8
–7
–6
–5
–4
–3
–2
–1
0
1
1
10
100 1000
NORMALIZED CLOSED-LOOP GAIN (dB)
FREQUENCY (MHz)
07714-004
G = 1
G = 2
G = 5
Figure 4. Small Signal Frequency Response vs. Gain
2
–8
–7
–6
–5
–4
–3
–2
–1
0
1
1
10 100 1000
NORMALIZED CLOSED-LOOP GAIN (dB)
FREQUENCY (MHz)
V
S
= 3.3V
07714-005
G = 1
G = 2
G = 5
Figure 5. Small Signal Frequency Response vs. Gain
2
–8
–7
–6
–5
–4
–3
–2
–1
0
1
1 10 100 1000
NORMALIZED CLOSED-LOOP GAIN (dB)
FREQUENCY (MHz)
R
F
= 200Ω
R
F
= 301Ω
R
F
= 402Ω
R
F
= 499Ω
07714-006
Figure 6. Small Signal Frequency Response vs. Feedback Resistor
2
–8
–7
–6
–5
–4
–3
–2
–1
0
1
1 10
100 1000
NORMALIZED CLOSED-LOOP GAIN (dB)
FREQUENCY (MHz)
07714-007
G = 1
G = 2
G = 5
Figure 7. Large Signal Frequency Response vs. Gain
2
–8
–7
–6
–5
–4
–3
–2
–1
0
1
1 10 100
1000
NORMALIZED CLOSED-LOOP GAIN (dB)
FREQUENCY (MHz)
07714-008
V
S
= 3.3V
G = 1
G = 2
G = 5
Figure 8. Large Signal Frequency Response vs. Gain
2
–8
–7
–6
–5
–4
–3
–2
–1
0
1
1
10 100 1000
NORMALIZED CLOSED-LOOP GAIN (dB)
FREQUENCY (MHz)
R
F
= 200Ω
R
F
= 301Ω
R
F
= 402Ω
R
F
= 499Ω
07714-009
Figure 9. Large Signal Frequency Response vs. Feedback Resistor