Datasheet

Data Sheet AD8628/AD8629/AD8630
TYPICAL PERFORMANCE CHARACTERISTICS
INPUT OFFSET VO
LTAGE (µV)
NUMBER OF
AMPLIFIERS
180
160
140
120
100
80
60
40
20
0
–2.5
–1.5
–0.5 0.5
1.5 2.5
02735-003
V
S
= 2.7V
T
A
= 25°C
Figure 5. Input Offset Voltage Distribution
+85°C
+25°C
–40°C
V
S
= 5V
INPUT COMMON-MODE VOLTAGE (V)
INPUT BIAS CURRENT (pA)
60
40
50
30
10
20
0
0 1 2 3
4 5 6
02735-004
Figure 6. AD8628 Input Bias Current vs. Input Common-Mode Voltage
150°C
125°C
INPUT COMMON-MODE VOLTAGE (V)
INPUT BIAS CURRENT (pA)
1500
500
1000
0
–1000
–500
–1500
0 1 2 3 4 5 6
02735-005
V
S
= 5V
Figure 7. AD8628 Input Bias Current vs. Input Common-Mode Voltage
INPUT OFFSET VOLTAGE (µV)
NUMBER OF AMPLIFIERS
100
80
90
60
70
40
50
10
20
30
0
–2.5 –1.5 –0.5 0.5 1.5 2.5
02735-006
V
S
= 5V
V
CM
= 2.5V
T
A
= 25°C
Figure 8. Input Offset Voltage Distribution
V
S
= 5V
T
A
= –40°C TO +125°C
TCVOS (nV/°C)
NUMBER OF
AMPLIFIERS
7
6
5
4
3
2
1
0
0
2
4
6 8
10
02735-007
Figure 9. Input Offset Voltage Drift
LOAD CURRENT (mA)
OUTPUT VOLTAGE (mV)
1k
100
10
1
0.1
0.01
0.0001 0.001 0.10.01 1 10
02735-008
V
S
= 5V
T
A
= 25°C
SOURCE
SINK
Figure 10. Output Voltage to Supply Rail vs. Load Current
Rev. K | Page 7 of 24
Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.