Datasheet

AD8557
Rev. C | Page 12 of 24
140
0
0.01 100
FREQUENCY (kHz)
PSRR (dB)
120
100
80
60
40
20
0.10.1 1 10
GAIN = +1300
GAIN = +28
06013-031
Figure 34. PSRR vs. Frequency
CH3 50.0mV M 10.0µs
T 24.20%
A CH3 12.0mV
3
CHANNEL 3
+OVER
5.967%
CHANNEL 3
–OVER
6.878%
06013-032
Figure 35. Small Signal Response, V
SY
= 5 V, C
L
= 100 pF
CH3 50.0mV M 10.0µs
T 24.20%
A CH2 480µV
3
CHANNEL 3
+OVER
98.13%
CHANNEL 3
–OVER
54.94%
06013-033
Figure 36. Small Signal Response, V
SY
= 5 V, C
L
= 15 nF
CH2 1.0V M 10.0µs
T 23.20%
A CH2 0V
2
06013-044
Figure 37. Large Signal Response, C
L
= 0 pF
CH2 1.0V M 10.0µs
T 23.20%
A CH2 0V
2
06013-045
Figure 38. Large Signal Response, C
L
= 5 nF
60
–20
0.1 1000
FREQUENCY (kHz)
Z
OUT
(dB)
1 10 100
50
40
30
20
10
0
–10
V
SY
= 5V
GAIN = +28
06013-034
Figure 39. Output Impedance vs. Frequency