AD815
100
100
120
110
100
90
TRANSIMPEDANCE
INVERTING INPUT
CURRENT NOISE
100
500
0
80
PHASE
10
10
70
–50
–100
–150
–200
–250
60
NONINVERTING INPUT
CURRENT NOISE
50
40
30
INPUT VOLTAGE
NOISE
1
100k
1
10
100
1k
10k
100
1k
10k
100k
FREQUENCY – Hz
1M
10M
100M
FREQUENCY – Hz
Figure 13. Input Current and Voltage Noise vs. Frequency
Figure 16. Open-Loop Transimpedance vs. Frequency
90
80
–40
V
= ؎15V
S
G = +10
–50
–60
V
= ؎15V
V
= 40V p-p
S
OUT
70
60
SIDE B
SIDE A
–70
50
40
30
20
10
562⍀
R
= 50⍀
L
–80
(DIFFERENTIAL)
562⍀
562⍀
V
V
OUT
IN
R
= 200⍀
L
–90
(DIFFERENTIAL)
1/2
AD815
562⍀
–100
–110
10k
100k
1M
FREQUENCY – Hz
10M
100M
100
1k
10k
100k
1M
10M
FREQUENCY – Hz
Figure 14. Common-Mode Rejection vs. Frequency
Figure 17. Total Harmonic Distortion vs. Frequency
0
10
8
–10
–20
V
= ؎15V
S
0.1%
1%
G = +2
= 100⍀
6
R
L
GAIN = +2
–30
–40
4
2
0
V
= ؎15V
S
–PSRR
–50
–60
–70
+PSRR
–2
–4
–80
–90
–6
1%
0.1%
–8
–100
–10
0.01
0.1
1
10
100
300
0
20
40
60
70
80
100
FREQUENCY – MHz
SETTLING TIME – ns
Figure 15. Power Supply Rejection vs. Frequency
Figure 18. Output Swing and Error vs. Settling Time
–6–
REV. B