Datasheet

AD8646/AD8647/AD8648
Rev. D | Page 7 of 20
TYPICAL PERFORMANCE CHARACTERISTICS
300
250
200
150
100
50
0
–2.0 2.01.51.00.50–0.5–1.0–1.5
NUMBER OF AMPLIFIERS
V
OS
(mV)
V
SY
= 2.7V
V
CM
= 1.35V
T
A
= 25°C
2244 AMPLIFIERS
06527-004
Figure 4. Input Offset Voltage Distribution
35
30
25
20
15
10
5
0
07654321
NUMBER OF AMPLIFIERS
TCV
OS
(µV/°C)
V
SY
= 2.7V
–40°C < T
A
< +125°C
06527-005
Figure 5. V
OS
Drift (TCV
OS
) Distribution
2500
–2500
03.0
INPUT COMMON-MODE VOLTAGE (V)
INPUT OFFSET VOLTAGE (µV)
2000
1500
1000
500
0
–500
–1000
–1500
–2000
0.5 1.0 1.5 2.0 2.5
V
SY
= 2.7V
T
A
= 25°C
06527-006
Figure 6. Input Offset Voltage vs. Input Common-Mode Voltage
200
180
160
140
120
100
80
60
40
20
0
–2.0 2.01.51.00.50–0.5–1.0–1.5
NUMBER OF AMPLIFIERS
V
OS
(mV)
V
SY
= 5V
V
CM
= 2.5V
T
A
= 25°C
2244 AMPLIFIERS
06527-007
Figure 7. Input Offset Voltage Distribution
35
30
25
20
15
10
5
0
087654321
NUMBER OF AMPLIFIERS
TCV
OS
(µV/°C)
V
SY
= 5V
–40°C < T
A
< +125°C
06527-008
Figure 8. V
OS
Drift (TCV
OS
) Distribution
–2500
–2000
–1500
–1000
–500
0
500
1000
1500
2000
2500
012345
INPUT COMMON-MODE VOLTAGE (V)
INPUTOFFSETVOLTAGE(µV)
V
SY
=5V
T
A
=25°C
06527-009
Figure 9. Input Offset Voltage vs. Input Common-Mode Voltage