Datasheet

Data Sheet ADA4084-2
Rev. C | Page 9 of 28
1000
100
10
1
0.10
0.01
10 100M
Z
OUT
(Ω)
FREQUENCY (Hz)
100 1k 10k 100k 10M1M
ADA4084-2
V
SY
= ±1.5V
T
A
= 25°C
A
V
= +10
A
V
= +100
A
V
= +1
08237-013
Figure 15. Output Impedance vs. Frequency
140
–20
10 100M
PSRR (dB)
FREQUENCY (Hz)
0
20
40
60
80
100
120
100 1k 10k 100k 10M1M
ADA4084-2
V
SY
= ±1.5V
T
A
= 25°C
PSRR–
PSRR+
08237-014
Figure 16. PSRR vs. Frequency
120
20
10 100M
CMRR (dB)
FREQUENCY (Hz)
100 1k
10k 100k 10M1M
ADA4084-2
V
SY
= ±1.5V
T
A
= 25°C
30
40
50
60
70
80
90
100
110
08237-015
Figure 17. CMRR vs. Frequency
1.5
1.0
0.5
0
–1.5
–1.0
–0.5
0 2 4 6 8 10 12 14
16
18
VOLTAGE (V)
TIME (µs)
ADA4084-2
V
SY
= ±1.5V
T
A
= 25°C
R
L
= 2kΩ
C
L
= 100pF
08237-016
Figure 18. Large Signal Transient Response
80
60
40
20
0
–80
–60
–40
–20
0
18
VOLTAGE (mV)
TIME (µs)
ADA4084-2
V
SY
= ±1.5V
T
A
= 25°C
R
L
= 2kΩ
C
L
= 100pF
08237-017
2 4 6 8
10
12 14
16
Figure 19. Small Signal Transient Response
2
–10
–8
–6
–4
–2
0
0.08
–0.04
–0.02
0
0.02
0.04
0.06
–1 0 21
43
7 865 9
VOLTAGE (V) VOLTAGE (V)
TIME (µs)
ADA4084-2
V
SY
= ±1.5V
T
A
= 25°C
OUTPUT
INPUT
08237-018
Figure 20. Settling Time