Datasheet

ADR380/ADR381
Rev. C | Page 9 of 16
C
L
= 1nF
TIME (200µs/DIV)
1V/DIV
V
OUT
V
LOAD
ON
LOAD OFF
I
LOAD
= 1mA
2V/DIV
1
2
02175-020
Figure 20. ADR381 Load Transient Response with C
L
= 1 nF
C
L
= 100nF
TIME (200µs/DIV)
1V/DIV
V
OUT
V
LOAD
ON
LOAD OFF
I
LOAD
= 1mA
2V/DIV
1
2
02175-021
Figure 21. ADR381 Load Transient Response with C
L
= 100 nF
R
L
= 500Ω
TIME (200µs/DIV)
2V/DIV
V
OUT
V
IN
5V/DIV
1
2
02175-022
Figure 22. ADR381 Turn-On/Turn-Off Response at 5 V
10 100 1k 10k 100k 1M
Z
OUT
(10Ω/DIV)
C
L
= 40pF
C
L
= 0.1µF
C
L
= 1µF
C
BYPASS
= 0.1µF
FREQUENCY (Hz)
02175-023
Figure 23. ADR381 Output Impedance vs. Frequency
HOURS
0
–150
DRIFT (ppm)
–100
–50
50
100
150
CONDITIONS: V
IN
= 6V IN A CONTROLLED
ENVIRONMENT 50°C ± 1°C
0 100 200 300 400 500 600 700 800 900 1000
02175-024
Figure 24. ADR380 Long-Term Drift
HOURS
0
–150
DRIFT (ppm)
–100
–50
50
100
150
CONDITIONS: V
IN
= 6V IN A CONTROLLED
ENVIRONMENT 50°C ± 1°C
0 100 200 300 400 500 600 700 800 900 1000
02175-025
Figure 25. ADR381 Long-Term Drift