AD8628/AD8629/AD8630
TYPICAL PERFORMANCE CHARACTERISTICS
180
160
V
S
= 2.7V
T
A
= 25°C
100
90
80
V
S
= 5V
V
CM
= 2.5V
T
A
= 25
°
C
NUMBER OF AMPLIFIERS
140
NUMBER OF AMPLIFIERS
02735-003
120
100
80
60
40
20
0
–2.5
–1.5
–0.5
0.5
INPUT OFFSET VOLTAGE (μV)
1.5
70
60
50
40
30
20
10
0
–2.5
–1.5
–0.5
0.5
INPUT OFFSET VOLTAGE (
μ
V)
1.5
02735-006
2.5
2.5
Figure 7. Input Offset Voltage Distribution
Figure 10. Input Offset Voltage Distribution
60
V
S
= 5V
50
+85°C
7
V
S
= 5V
T
A
= –40°C TO +125°C
6
INPUT BIAS CURRENT (pA)
NUMBER OF AMPLIFIERS
5
40
4
3
2
30
20
+25°C
10
02735-004
0
0
1
2
3
4
5
INPUT COMMON-MODE VOLTAGE (V)
6
0
0
2
4
6
TCVOS (nV/°C)
8
10
Figure 8. AD8628 Input Bias Current vs. Input Common-Mode
Figure 11. Input Offset Voltage Drift
1500
V
S
= 5V
1000
150°C
1k
V
S
= 5V
T
A
= 25°C
100
INPUT BIAS CURRENT (pA)
500
OUTPUT VOLTAGE (mV)
125°C
10
SOURCE
SINK
1
0
–500
–1000
02735-005
0.1
02735-008
–1500
0
1
2
3
4
5
INPUT COMMON-MODE VOLTAGE (V)
6
0.01
0.0001
0.001
0.01
0.1
LOAD CURRENT (mA)
1
10
Figure 9. AD8628 Input Bias Current vs. Input Common-Mode Voltage at 5 V
Figure 12. Output Voltage to Supply Rail vs. Load Current
Rev. E | Page 7 of 24
02735-007
–40°C
1
AD [ ANALOG DEVICES ]
