Datasheet

ADA4311-1
Rev. 0 | Page 7 of 16
TYPICAL PERFORMANCE CHARACTERISTICS
–18
–15
–12
–9
–6
–3
0
3
6
9
1 10 100 1000
G = +5
G = +10
G = +20
FREQUENCY (MHz)
NORMALIZED GAIN (dB)
V
OUT
= 100mV p-p
R
L
= 50
PD1, PD0 = 0, 0
06940-005
Figure 5. Small Signal Frequency Response for Various Closed-Loop Gains
1 10 100 1000
–24
–21
–18
–15
–12
–9
–6
–3
0
3
6
9
FREQUENCY (MHz)
GAIN (dB)
V
OUT
= 100mV p-p
R
L
= 50
G = +5
PD1, PD0 = 0, 0
PD1, PD0 = 0, 1
PD1, PD0 = 1, 0
06940-006
Figure 6. Small Signal Frequency Response for Various Modes
OUTPUT (V)
–0.20
–0.15
–0.10
–0.05
0
0.05
0.10
0.15
0.20
G = +5
R
L
= 50
10ns/DIV
06940-010
Figure 7. Small Signal Transient Response
–120
–50
FREQUENCY (MHz)
HARMONIC DISTORTION (dBc)
–130
–100
–90
–80
–70
–60
–
40
0.1
110
–110
100
V
OUT
= 2V p-p
R
L
= 100
G = +5
PD1, PD0 = 0, 0
PD1, PD0 = 0, 1
PD1, PD0 = 1, 0
HD2
HD3
06940-008
Figure 8. Differential Harmonic Distortion vs. Frequency
06940-021
OUTPUT VOLTAGE (V p-p)
HARMONIC DISTORTION (dBc)
–120
–110
–100
–90
–80
–70
–
60
0.1 1 10
HD2
HD3
f = 5MHz
R
L
= 100
G = +5
Figure 9. Differential Harmonic Distortion vs. Output Voltage
06940-022
LOAD RESISTANCE ()
HARMONIC DISTORTION (dBc)
10 100 1000
–110
–100
–90
–80
–70
–60
–50
–
40
HD2
HD3
V
OUT
= 2V p-p
f = 5MHz
G = +5
Figure 10. Differential Harmonic Distortion vs. Load Resistance