Datasheet

Data Sheet ADR4520/ADR4525/ADR4530/ADR4533/ADR4540/ADR4550
Rev. B | Page 13 of 37
I
SY
(µA)
V
IN
(V)
0
1000
800
600
400
200
0 2 4 6 8 10 12 14 161 3 5 7 9 11 13 15
–40°C
+25°C
+125°C
ADR4520
10203-110
Figure 9. ADR4520 Supply Current (I
SY
) vs. Supply Voltage
OCCURRENCE
OUTPUT VOLTAGE NOISE DISTRIBUTION (µV p-p)
0
120
100
80
60
40
20
2.82.52.21.91.61.31.00.70.4
ADR4520
10203-111
Figure 10. ADR4520 Output Voltage Noise
(Maximum Amplitude from 0.1 Hz to 10 Hz)
NOISE DENSITY (nV rms/ Hz)
FREQUENCY (Hz)
1
1k
100
10
100k0.01 0.1 1 10
100
1k 10k
ADR4520
10203-1
12
Figure 11. ADR4520 Output Noise Spectral Density
RIPPLE REJECTION RATIO (dB)
FREQUENCY (Hz)
–120
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
ADR4520
C
LOAD
= 1µF
100M10 100 1k 10k 100k 1M 10M
10203-113
Figure 12. ADR4520 Ripple Rejection Ratio vs. Frequency
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