Data Sheet
AD8657/AD8659
Rev. B | Page 9 of 24
TYPICAL PERFORMANCE CHARACTERISTICS
TA = 25°C, unless otherwise noted.
20
40
60
80
100
120
140
160
NUM
BE
R
O
F
A
M
P
LIFIE
R
S
VSY = 2.7V
VCM = VSY/2
0
–140
–120
–100
–80
–60
–40
–20
0
20
40
60
80
100
120
140
VOS (V)
08804-
002
Figure 8. Input Offset Voltage Distribution
0
2
4
6
8
10
12
14
16
18
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0
NUM
BE
R
O
F
A
M
P
LIFIE
R
S
TCVOS (V/°C)
VSY = 2.7V
–40°C ≤ TA ≤ +125°C
08804-
003
Figure 9. Input Offset Voltage Drift Distribution
–350
–250
–150
–50
50
150
250
350
0
0.3
0.6
0.9
1.2
1.5
1.8
2.1
2.4
2.7
V
OS
(
V)
VCM (V)
VSY = 2.7V
08804-
207
Figure 10. Input Offset Voltage vs. Common-Mode Voltage
0
20
40
60
80
100
120
140
160
–140
–120
–100
–80
–60
–40
–20
0
20
40
60
80
100
120
140
NUM
BE
R
O
F
A
M
P
LIFIE
R
S
VOS (V)
VSY = 18V
VCM = VSY/2
08804-
005
Figure 11. Input Offset Voltage Distribution
0
2
4
6
8
10
12
14
18
16
20
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0
NUM
BE
R
O
F
A
M
P
LIFIE
R
S
TCVOS (V/°C)
VSY = 18V
–40°C ≤ TA ≤ +125°C
08804-
006
Figure 12. Input Offset Voltage Drift Distribution
–350
–250
–150
–50
50
150
250
350
0
2
4
6
8
10
12
14
16
18
V
OS
(
V)
VCM (V)
08804-
210
VSY = 18V
Figure 13. Input Offset Voltage vs. Common-Mode Voltage