AD8638/AD8639
TYPICAL PERFORMANCE CHARACTERISTICS
TA = 25°C, unless otherwise noted.
1400
1200
VSY = 5V
0V ≤ VCM ≤ +3V
1000
800
600
400
200
0
–10
–5
0
5
10
VOS (µV)
Figure 5. Input Offset Voltage Distribution
25
VSY = ±2.5V
–40°C ≤ TA ≤ +125°C
SOIC PACKAGE
20
15
10
5
0
0 4 8 12 16 20 24 28 32 36 40
TCVOS (nV/°C)
Figure 6. Input Offset Voltage Drift Distribution
10.0
7.5
VSY = 5V
–0.5V ≤ VCM ≤ +3.9V
5.0
2.5
0
–2.5
–5.0
–7.5
–10.0
–0.5 0 0.5 1 1.5 2.0 2.5 3.0 3.5 4
VCM (V)
Figure 7. Input Offset Voltage vs. Common-Mode Voltage
6000
5000
VSY = 16V
0V ≤ VCM ≤ +14V
4000
3000
2000
1000
0
–10
–5
0
5
10
VOS (µV)
Figure 8. Input Offset Voltage Distribution
12
VSY = ±8V
–40°C ≤ TA ≤ +125°C
10
SOIC PACKAGE
8
6
4
2
0
0 4 8 12 16 20 24 28 32 36 40
TCVOS (nV/°C)
Figure 9. Input Offset Voltage Drift Distribution
10.0
7.5
5.0
2.5
0
–2.5
–5.0
–7.5
VSY = 16V
–0.5V ≤ VCM ≤ +14.5V
–10.0
–0.5 1.0 2.5 4.0 5.5 7.0 8.5 10.0 11.5 13.0 14.5
VCM (V)
Figure 10. Input Offset Voltage vs. Common-Mode Voltage
Rev. C | Page 6 of 20