Datasheet

Data Sheet AD8031/AD8032
Rev. F | Page 9 of 20
110
105
60
90
75
70
65
100
95
80
85
GAIN (dB)
0 2k 4k 6k 8k 10k
R
LOAD
(Ω)
V
S
= 5V
+A
OL
–A
OL
01056-020
Figure 20. Open-Loop Gain (A
OL
) vs. R
LOAD
86
84
76
82
80
78
–40 –30 –20 –10 0 10 20 30 40 50 60 70 80 90
TEMPERATURE (°C)
GAIN (dB)
V
S
= 5V
R
L
= 1kΩ
–A
OL
+A
OL
01056-021
Figure 21. Open Loop Gain vs. (A
OL
) Temperature
110
80
50
100
90
70
60
A
OL
(dB)
V
OUT
(V)
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
V
S
= 5V
R
LOAD
= 10kΩ
R
LOAD
= 1kΩ
01056-022
Figure 22. Open-Loop Gain (A
OL
) vs. V
OUT
10
0
–10
INPUT VOLTAGE (V)
INPUT BIAS CURRENT (mA)
100
90
10
0%
V
S
= 5V
500mV
500mV 1V
–1.5 0.5 2.5 4.5 6.5
01056-023
Figure 23. Differential Input Overvoltage I-V Characteristics
0.05
DIFF GAIN (%)
–0.15
–0.05
–0.10
0
0.10
DIFF PHASE (Degrees)
–0.10
0
–0.05
0.05
1ST 2ND 3RD 4TH 5TH 6TH 7TH 8TH 9TH 10TH 11TH
1ST 2ND 3RD 4TH 5TH 6TH 7TH 8TH 9TH 10TH 11TH
01056-024
Figure 24. Differential Gain and Phase @ V
S
= ±5 V; R
L
= 1 kΩ
FREQUENCY (Hz)
100
30
0.3
10
3
1
100
10
1
0.1
10 100 1k 10k 100k 1M 10M
INPUT VOLTAGE NOISE (nV/ Hz)
V
S
= 5V
CURRENT NOISE
VOLTAGE NOISE
INPUT CURRENT NOISE (pA/ Hz)
01056-025
Figure 25. Input Voltage Noise vs. Frequency