AD8568/AD8569/AD8570
10
5
1k⍀
0
10k⍀
؊5
؊10
560⍀
؊15
؊20
؊25 TA = 25؇C
؊30
VS = 8V
VIN = 50mV rms
؊35
CL = 40pF
AV = 1
150⍀
؊40
100k
1M
10M
FREQUENCY – Hz
100M
TPC 13. Frequency Response vs. Resistive Loading
25
TA = 25؇C
20 VS = 8V
VIN = 50mV rms
15 RL = 10k⍀
AV = 1
10
5
0
50pF
؊5
1040pF
100pF
؊10
؊15
540pF
؊20
؊25
100k
1M
10M
FREQUENCY – Hz
100M
TPC 14. Frequency Response vs. Capacitive Loading
500
450
400
350
300
VS = 4.5V
250
200
150
100
50
VS = 16V
0
100
1k
10k
100k
1M
10M
FREQUENCY – Hz
TPC 15. Closed-Loop Output Impedance vs. Frequency
18
16
14
12
10
8
6
TA = 25؇C
4 VS = 16V
AV = 1
2 RL = 10k⍀
DISTORTION < 1%
0
10
100
1k
10k
100k
1M
10M
FREQUENCY – Hz
TPC 16. Closed-Loop Output Swing vs. Frequency
160
140
TA = 25؇C
VS = 16V
120
100
80
+PSRR
60
40
؊PSRR
20
0
؊20
؊40
100
1k
10k
100k
1M
10M
FREQUENCY – Hz
TPC 17. Power Supply Rejection Ratio vs. Frequency
160
140
TA = 25؇C
VS = 4.5V
120
100
+PSRR
80
60
؊PSRR
40
20
0
؊20
؊40
100
1k
10k
100k
1M
10M
FREQUENCY – Hz
TPC 18. Power Supply Rejection Ratio vs. Frequency
–6–
REV. A