Data Sheet
40
35
30
25
20
15
10
–40°C
5
+25°C
+85°C
+125°C
0
0
3
6
9
12
15
18
VSY (V)
Figure 32. Supply Current vs. Supply Voltage
60
135
PHASE
VSY = 2.7V
RL = 1MΩ
40
90
20
45
0
GAIN
0
–20
–45
CL = 10pF
–40
CL = 100pF
–90
–60
1k
10k
100k
FREQUENCY (Hz)
–135
1M
Figure 33. Open-Loop Gain and Phase vs. Frequency
60
40 AV = 100
20
AV = 10
AV = 1
0
VSY = 2.7V
–20
–40
–60
100
1k
10k
100k
1M
FREQUENCY (Hz)
Figure 34. Closed-Loop Gain vs. Frequency
AD8657/AD8659
60
50
VSY = 2.7V
VSY = 18V
40
30
20
10
0
–50
–25
0
25
50
75
TEMPERATURE (°C)
100
125
Figure 35. Supply Current vs. Temperature
60
135
PHASE
VSY = 18V
RL = 1MΩ
40
90
20
45
0
0
GAIN
–20
–45
CL = 10pF
–40
CL = 100pF
–90
–60
1k
10k
100k
FREQUENCY (Hz)
–135
1M
Figure 36. Open-Loop Gain and Phase vs. Frequency
60
40
AV = 100
20
AV = 10
AV = 1
0
VSY = 18V
–20
–40
–60
100
1k
10k
100k
1M
FREQUENCY (Hz)
Figure 37. Closed-Loop Gain vs. Frequency
Rev. B | Page 13 of 24