Datasheet

ADR3412/ADR3420/ADR3425/ADR3430/ADR3433/ADR3440/ADR3450
Rev. B | Page 15 of 24
08440-032
CH1 pk-pk = 33.4µV CH1 RMS = 5.68µV
1
10µV/DIV
Figure 21. ADR3450 Output Voltage Noise (0.1 Hz to 10 Hz)
08440-033
CH1 pk-pk = 446µV CH1 RMS = 60.3µV
1
100µV/DIV
Figure 22. ADR3450 Output Voltage Noise (10 Hz to 10 kHz)
0
2
4
6
8
10
12
0.1 1 10 100 1k 10k
NOISE DENSITY (µ
V
p-p
/Hz)
FREQUENCY (Hz)
08440-024
Figure 23. ADR3450 Output Noise Spectral Density
–90
–80
–70
–60
–50
–40
–30
–20
–10
0
10 100 1k 10k 100k
RIPPLE REJECTION R
A
TIO (dB
V
OUT
/
V
IN
)
FREQUENCY (Hz)
C
L
= 1.1µF
C
IN
= 0.1µF
08440-026
Figure 24. ADR3450 Ripple Rejection Ratio vs. Frequency
08440-034
1
2
TIME = 200µs/DIV
C
IN
= 0µF
C
L
= 0.1µF
R
L
=
V
IN
2V/DIV
V
OUT
2V/DIV
Figure 25. ADR3450 Start-Up Response
08440-035
1
2
V
ENABLE
= 2V/DIV
V
IN
= 5.5V
C
IN
= C
L
= 0.1µF
R
L
=
V
OUT
= 2V/DIV
ENABLE
TIME = 200µs/DIV
Figure 26. ADR3450 Restart Response from Shutdown