AD812
100
100
120
PHASE
VOLTAGE NOISE – nV/ Hz
CURRENT NOISE – pA/ Hz
TRANSIMPEDANCE – dB
0
–45
V
S
=
15V
–90
100
GAIN
V
S
= 3V
80
V
S
= 3V
V
S
=
15V
–180
–135
PHASE – Degrees
INVERTING INPUT
CURRENT NOISE
10
VOLTAGE NOISE
10
NONINVERTING INPUT
CURRENT NOISE
60
1
10
100
1k
FREQUENCY – Hz
10k
1
100k
40
10k
100k
1M
FREQUENCY – Hz
10M
100M
Figure 16. Input Current and Voltage Noise vs. Frequency
Figure 19. Open-Loop Transimpedance vs. Frequency
(Relative to 1
Ω
)
90
681
80
COMMON-MODE REJECTION – dB
–30
V
IN
70
60
50
40
681
V
OUT
681
681
HARMONIC DISTORTION – dBc
–50
G = +2
V
S
= 2V p-p
V
S
= 15V ; R
L
= 1k
V
S
=
5V ; R
L
= 150
–70
V
S
=
–90
2
ND
HARMONIC
3
RD
HARMONIC
–110
2
ND
–130
1k
3
RD
10k
100k
1M
FREQUENCY – Hz
10M
100M
5V
V
S
=
15V
V
S
=
V
S
= 3V
15V
30
20
10
10k
100k
1M
FREQUENCY – Hz
10M
100M
Figure 17. Common-Mode Rejection vs. Frequency
Figure 20. Harmonic Distortion vs. Frequency
80
70
10
8
V TO 0
15V
POWER SUPPLY REJECTION – dB
GAIN = –1
V
S
= 15V
6
4
2
0
–2
–4
–6
–8
1%
0.1%
0.025%
60
50
1.5V
40
30
20
10
0
10k
100k
1M
FREQUENCY – Hz
10M
100M
OUTPUT SWING FROM
–10
20
30
40
SETTLING TIME – ns
50
60
Figure 18. Power Supply Rejection vs. Frequency
Figure 21. Output Swing and Error vs. Settling Time
–8–
REV. B
AD [ ANALOG DEVICES ]
