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