Datasheet

AD8657
Rev. A | Page 12 of 24
1
10
100
1000
100 1k 10k 100k
Z
OUT
(Ω)
FREQUENCY (Hz)
V
SY
= 2.7V
A
V
= 1
A
V
= 10
A
V
= 100
08804-026
Figure 33. Output Impedance vs. Frequency
0
20
40
60
80
100
120
140
100 1k 10k 100k 1M
CMRR (dB)
FREQUENCY (Hz)
V
SY
= 2.7V
V
CM
= 2.4V
08804-027
Figure 34. CMRR vs. Frequency
0
20
40
60
80
100
100 1k 10k 100k 1M
PSRR (dB)
FREQUENCY (Hz)
PSRR+
PSRR–
V
SY
= 2.7V
08804-028
Figure 35. PSRR vs. Frequency
1
10
100
1000
100 1k 10k 100k
Z
OUT
(Ω)
FREQUENCY (Hz)
V
SY
= 18V
A
V
= 1
A
V
= 10
A
V
= 100
08804-029
Figure 36. Output Impedance vs. Frequency
100 1k 10k 100k 1M
CMRR (dB)
FREQUENCY (Hz)
V
SY
= 18V
V
CM
= V
SY
/2
0
20
40
60
80
100
120
140
08804-030
Figure 37. CMRR vs. Frequency
0
20
40
60
80
100
100 1k 10k 100k 1M
PSRR (dB)
FREQUENCY (Hz)
PSRR+
PSRR–
V
SY
= 18V
08804-031
Figure 38. PSRR vs. Frequency