
Data Sheet
ADR4520/ADR4525/ADR4530/ADR4533/ADR4540/ADR4550
60
ADR4540
80
ADR4520
ADR4525
50
60 ADR4530
ADR4533
ADR4540
40 ADR4550
40
30
20
R L = 100kΩ
C L = 10μF
R L = 1kΩ
C L = 10μF
R L = 100kΩ
C L = 1μF
R L = 1kΩ
C L = 1μF
20
0
–20
–40
10
–60
0
1
10
100
1k
10k
100k
1M
10M
–80
0
100
200
300
400
500
600
700
800
900
1000
FREQUENCY (Hz)
Figure 76. ADR4540 Output Impedance vs. Frequency
DURATION (Hours)
Figure 78. ADR4540 Typical Long-Term Output Voltage Drift
(1000 Hours)
12
10
ADR4520
ADR4525
ADR4530
ADR4533
ADR4540
ADR4550
8
6
4
2
0
OUTPUT VOLTAGE (%)
Figure 77. ADR4540 Output Voltage Drift Distribution After Reflow (SHR Drift)
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