Datasheet

Data Sheet AD8655/AD8656
Rev. E | Page 13 of 20
Figure 45. CMRR vs. Frequency
Figure 46. Large Signal CMRR vs. Temperature
Figure 47. Small Signal PSSR vs. Frequency
Figure 48. Open-Loop Gain and Phase vs. Frequency
Figure 49. Large Signal Open-Loop Gain vs. Temperature
Figure 50. Closed-Loop Gain vs. Frequency
40
20
0
100 1k 10k
FREQUENCY (Hz)
100k 1M
CMRR (dB)
120
80
100
60
V
S
= ±1.35V
V
IN
= 28mV
R
L
= 1MΩ
C
L
= 47pF
05304-034
102.00
98.00
94.00
90.00
86.00
–50 0 50
TEMPERATURE (°C)
100 150
CMRR (dB)
05304-035
V
S
= ±1.35V
100
80
60
40
20
0
100 1k
10k 100k
FREQUENCY (Hz)
1M 100M10M
PSRR (dB)
V
S
= ±
1.35V
V
IN
= 50mV
R
L
= 1MΩ
C
L
= 47pF
05304-040
+PSRR
–PSRR
120
100
80
60
40
20
–20
–40
10k 100k 1M
FREQUENCY (Hz)
10M 100M
GAIN (dB)
05304-036
–90
–135
–180
–225
PHASE SHIFT (Degrees)
–45
V
S
= ±1.35V
C
LOAD
= 11.5pF
PHASE MARGIN = 54°
0
130.00
120.00
110.00
100.00
90.00
80.00
–50
0 50
TEMPERATURE (
°C)
100 150
A
VO
(dB)
05304-037
V
S
=
±1.35V
R
L
= 10kΩ
50
40
30
20
10
0
–10
–20
1k 10k 100k 1M
FREQUENCY (Hz)
10M 100M
CLOSED-LOOP GAIN (dB)
V
S
= ±1.35V
R
L
= 1MΩ
C
L
= 47pF
05304-038