ADR420/ADR421/ADR423/ADR425
2.5
2.0
–40°C
+25°C
1.5
+125°C
1.0
0.5
0
0
1
2
3
4
5
LOAD CURRENT (mA)
Figure 21. ADR423 Minimum Input/Output Voltage
Differential vs. Load Current
2.5
2.0
–40°C
+25°C
1.5
+125°C
1.0
0.5
0
0
1
2
3
4
5
LOAD CURRENT (mA)
Figure 22. ADR425 Minimum Input/Output Voltage
Differential vs. Load Current
30
TEMPERATURE
+25°C –40°C
+125°C +25°C
25
SAMPLE SIZE – 160
20
15
10
5
0
DEVIATION (ppm)
Figure 23. ADR421 Typical Hysteresis
TIME (1s/DIV)
Figure 24. ADR421 Typical Noise Voltage 0.1 Hz to 10 Hz
TIME (1s/DIV)
Figure 25. Typical Noise Voltage 10 Hz to 10 kHz
1k
ADR425
ADR423
100
ADR420 ADR421
10
10
100
1k
10k
FREQUENCY (Hz)
Figure 26. Voltage Noise Density vs. Frequency
Rev. H | Page 12 of 24