180
160
G = 100
140
120
G = 10
100
80
60
40
20
0.1
1
10
100
1k
10k 100k
1M
FREQUENCY – Hz
Figure 12. Positive PSR vs. Frequency
180
160
G = 100
140
120
G = 10
100
80
60
40
20
0.1
1
10
100
1k
10k 100k 1M
FREQUENCY – Hz
Figure 13. Negative PSR vs. Frequency
1000
100
10
1
0.1
100
1k
10k
100k
1M
10M
FREQUENCY – Hz
Figure 14. Closed-Loop Gain vs. Frequency
AD621
35
G = 10 & 100
30
25
20
15
10
5
0
1k
10k
100k
1M
FREQUENCY – Hz
Figure 15. Large Signal Frequency Response
+Vs –0.0
–0.5
–1.0
–1.5
+1.5
+1.0
+0.5
–Vs +0.0 0
5
10
15
20
SUPPLY VOLTAGE ± Volts
Figure 16. Input Voltage Range vs. Supply Voltage
+Vs –0.0
–0.5
–1.0
–1.5
R L= 10kΩ
R L= 2kΩ
+1.5
+1.0
+0.5
–Vs +0.0
0
R L= 2kΩ
R L= 10kΩ
5
10
15
20
SUPPLY VOLTAGE ± Volts
Figure 17. Output Voltage Swing vs. Supply Voltage,
G = 10
REV. A
–7–