Datasheet

ADR3412/ADR3420/ADR3425/ADR3430/ADR3433/ADR3440/ADR3450
Rev. B | Page 14 of 24
08440-028
CH1 pk-pk = 18µV CH1 RMS = 3.14µV
1
10µV/DIV
TIME = 1s/DIV
Figure 15. ADR3425 Output Voltage Noise (0.1 Hz to 10 Hz)
08440-029
CH1 pk-pk = 300µV CH1 RMS = 42.0µV
1
100µV/DIV
TIME = 1s/DIV
Figure 16. ADR3425 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)
08440-023
Figure 17. ADR3425 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
08440-025
Figure 18. ADR3425 Ripple Rejection Ratio vs. Frequency
08440-030
1
2
C
IN
= C
L
= 0.1µF
R
L
= 
V
OUT
= 1V/DIV
V
IN
= 2V/DIV
TIME = 200µs/DIV
Figure 19. ADR3425 Start-Up Response
08440-031
1
2
V
ENABLE
= 1V/DIV
V
IN
= 3.0v
C
IN
= C
L
= 0.1µF
R
L
= 
V
OUT
= 1V/DIV
ENABLE
TIME = 200µs/DIV
Figure 20. ADR3425 Restart Response from Shutdown