ADA4851-1/ADA4851-2/ADA4851-4
Rev. J | Page 13 of 24
40
0.1 10
HARMONIC DISTORTION (dBc)
05143-013
FREQUENCY (MHz)
1
–50
–60
–70
–80
–90
–100
–110
G = +1
V
OUT
= 2V p-p
V
S
= 5V
R
L
= 1kΩ HD2
R
L
= 150Ω HD2
R
L
= 1kΩ HD3
R
L
= 150Ω HD3
Figure 18. Harmonic Distortion vs. Frequency for Various Loads
–6
–4
–2
–3
–5
0
–1
INPUT AND OUTPUT VOLTAGE (V)
2
1
4
3
6
5
0 100 200 300 400 500 600 700 800 900 1k
TIME (ns)
05143-019
G = +5
V
S
= ±5V
R
L
= 150Ω
f = 1MHz
5 × INPUT
OUTPUT
Figure 19. Output Overdrive Recovery
–6
–4
–2
–3
–5
0
–1
INPUT AND OUTPUT VOLTAGE (V)
2
1
4
3
6
5
0 100 200 300 400 500 600 700 800 900 1k
TIME (ns)
05143-022
G = +1
V
S
= ±5V
R
L
= 150Ω
f = 1MHz
INPUT
OUTPUT
Figure 20. Input Overdrive Recovery
–0.075
–0.050
–0.025
0
0.025
0.050
0.075
OUTPUT VOLTAGE FOR ±5V SUPPLY (V)
TIME (ns)
500 100 150 200
05143-024
V
S
= +5V
V
S
= ±5V
G = +1 OR +2
R
L
= 1kΩ
2.425
2.450
2.475
2.500
2.525
2.550
2.575
OUTPUT VOLTAGE FOR 5V SUPPLY (V)
Figure 21. Small-Signal Transient Response for Various Supplies
OUTPUT VOLTAGE (V)
0 20 40 60 80 100 120 140 160 180 200
TIME (ns)
05143-026
2.425
2.450
2.475
2.525
2.550
2.575
2.500
G = +1
V
S
= 5V
R
L
= 150Ω
10pF
0pF
Figure 22. Small-Signal Transient Response for Various Capacitive Loads
–1.5
–1.0
–0.5
0
0.5
1.0
1.5
OUTPUT VOLTAGE FOR ±5V SUPPLY (V)
0
0.5
1.0
1.5
2.0
2.5
3.0
OUTPUT VOLTAGE FOR 5V SUPPLY (V)
TIME (ns)
500 100 150 200
05143-028
V
S
= +5V
V
S
= ±5V
G = +2
R
L
= 150Ω
Figure 23. Large-Signal Transient Response for Various Supplies