Datasheet
AD812
REV. B
–8–
100
10
1
10
100 100k10k1k
FREQUENCY – Hz
VOLTAGE NOISE – nV/ Hz
100
10
1
CURRENT NOISE – pA/ Hz
INVERTING INPUT
CURRENT NOISE
VOLTAGE NOISE
NONINVERTING INPUT
CURRENT NOISE
Figure 16. Input Current and Voltage Noise vs. Frequency
10k
100k 100M10M1M
FREQUENCY – Hz
90
60
50
70
80
20
10
30
40
COMMON-MODE REJECTION – dB
681V
681V
V
OUT
V
IN
681V
681V
V
S
= 615V
V
S
= 3V
Figure 17. Common-Mode Rejection vs. Frequency
FREQUENCY – Hz
POWER SUPPLY REJECTION – dB
80
40
0
10k
100k 100M10M1M
20
60
50
30
10
70
615V
61.5V
Figure 18. Power Supply Rejection vs. Frequency
10k 100k 100M10M1M
FREQUENCY – Hz
100
40
120
60
80
TRANSIMPEDANCE – dB
0
–45
–90
–135
–180
PHASE – Degrees
PHASE
GAIN
V
S
= 3V
V
S
= 615V
V
S
= 3V
V
S
= 615V
Figure 19. Open-Loop Transimpedance vs. Frequency
(Relative to 1
Ω
)
–30
FREQUENCY – Hz
HARMONIC DISTORTION – dBc
1k
–130
10k 100k 1M 10M 100M
–70
–50
–110
–90
G = +2
V
S
= 2V p-p
V
S
= 615V ; R
L
= 1kV
V
S
= 65V ; R
L
= 150V
V
S
= 65V
2
ND
HARMONIC
3
RD
HARMONIC
2
ND
3
RD
V
S
= 615V
Figure 20. Harmonic Distortion vs. Frequency
SETTLING TIME – ns
OUTPUT SWING FROM 6V TO 0
10
–10
60
–4
–8
–6
20
2
–2
0
4
6
8
4030 50
0.1%
GAIN = –1
V
S
= 615V
1%
0.025%
Figure 21. Output Swing and Error vs. Settling Time