Datasheet

AD8651/AD8652
Rev. C | Page 13 of 20
CMRR (dB)
0
100
80
60
40
20
FREQUENCY (Hz)
10 1k 10M1M100k10k100
V
S
= ±1.35V
0
3301-047
Figure 47. CMRR vs. Frequency
PSRR (dB)
0
100
80
60
40
20
FREQUENCY (Hz)
1 10 100 1k 10k 100k 1M 10M
V
S
= ±1.35V
+PSRR
–PSRR
0
3301-048
Figure 48. PSRR vs. Frequency
OPEN-LOOP GAIN (dB)
–20
0
20
40
60
80
100
120
140
PHASE (Degrees)
–180
–135
–90
–45
0
FREQUENCY (Hz)
10 100 1k 10k 100k 1M 10M 100M
V
S
= ±1.35V
03301-049
Figure 49. Open-Loop Gain and Phase vs. Frequency
A
VO
(dB)
108
110
120
118
116
114
112
TEMPERATURE (°C)
–50 0 50 100 150
V
S
= ±1.35V
R
L
= 1kΩ
0
3301-050
Figure 50. Open-Loop Gain vs. Temperature
G = 100
G = 10
G = 1
V
S
= ±1.35V
R
L
= 1MΩ
C
L
= 47pF
FREQUENCY (Hz)
CLOSED-LOOP GAIN (dB)
5k
–40
–20
20
0
60
40
50k 5M500k 50M 300M
0
3301-051
Figure 51. Closed-Loop Gain vs. Frequency
FREQUENCY (Hz)
10M100 1k 10k 100k 1M
CHANNEL SEPA
R
A
TION (dB)
0
–20
–40
–60
–80
–100
–120
–140
V
IN
28mV p-p
V+
V–
V–
V+
–2.5V
+2.5V
V
OUT
R1
10kΩ
R2
100Ω
V
S
= ±2.5V
03301-052
Figure 52. Channel Separation vs. Frequency.