Datasheet

AD7398/AD7399
Rev. C | Page 13 of 24
3.0
0
0.5
1.0
1.5
2.0
2.5
–50 0 50 100 150
SUPPLY CURRENT (mA)
TEMPERATURE (°C)
02179-022
AD7398/AD7399
V
DD
= +5V
V
SS
= –5V
Figure 22. Supply Current vs. Temperature
36
35
34
33
32
31
–60 –40 140120100806040200–20
SHUTDOWN CURRENT (µA)
TEMPERATURE (°C)
02179-023
AD7398/AD7399
V
DD
= +5V
V
SS
= –5V
Figure 23. Shutdown Current vs. Temperature
1.00
0.75
0.50
0.25
0
0 600500400300200100
NOMINAL CHANGE IN VOLTAGE (mV)
HOURS OF OPERATION AT 150°C
02179-024
AD7398
SAMPLE SIZE = 135
V
REF
= 2.5V
CODE = 0xFFF
CODE = 0x000
Figure 24. AD7398 Long-Term Drift