Datasheet

AD8657
Rev. A | Page 7 of 24
TYPICAL PERFORMANCE CHARACTERISTICS
T
A
= 25°C, unless otherwise noted.
20
40
60
80
100
120
140
160
NUMBER OF AMPLIFIERS
V
SY
= 2.7V
V
CM
= V
SY
/2
0
–140 –120 –100
–80 –60 –40 –20
0
20 40 60 80
100 120 140
V
OS
(µV)
08804-002
Figure 3. 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
NUMBER OF AMPLIFIERS
TCV
OS
(µV/°C)
V
SY
= 2.7V
–40°C ≤ T
A
≤ +125°C
08804-003
Figure 4. Input Offset Voltage Drift Distribution
–300
–200
–100
0
100
200
300
0 0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7
V
OS
(µV)
V
CM
(V)
V
SY
= 2.7V
08804-004
Figure 5. 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
NUMBER OF AMPLIFIERS
V
OS
(µV)
V
SY
= 18V
V
CM
= V
SY
/2
08804-005
Figure 6. 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
NUMBER OF AMPLIFIERS
TCV
OS
(µV/°C)
V
SY
= 18V
–40°C ≤ T
A
≤ +125°C
08804-006
Figure 7. Input Offset Voltage Drift Distribution
–300
–200
–100
0
100
200
300
0 2 4 6 8 10 12 14 16 18
V
OS
(µV)
V
CM
(V)
V
SY
= 18V
08804-007
Figure 8. Input Offset Voltage vs. Common-Mode Voltage